[PATCH 1/2 V5] regmap: Use reg_sequence for multi_reg_write / register_patch

[PATCH 1/2 V5] regmap: Use reg_sequence for multi_reg_write / register_patch

[Nariman Poushin]

Separate the functionality using sequences of register writes from the
functions that take register defaults. This change renames the arguments
in order to support the extension of reg_sequence to take an optional
delay to be applied after any given register in a sequence is written.
This avoids adding an int to all register defaults, which could
substantially increase memory usage for regmaps with large default tables.

This also updates all the clients of multi_reg_write/register_patch.

Signed-off-by: Nariman Poushin <nariman@opensource.wolfsonmicro.com>
---
 drivers/base/regmap/internal.h |  2 +-
 drivers/base/regmap/regmap.c   | 22 +++++++++++-----------
 drivers/gpu/drm/i2c/adv7511.c  |  2 +-
 drivers/input/misc/drv260x.c   |  6 +++---
 drivers/input/misc/drv2665.c   |  2 +-
 drivers/input/misc/drv2667.c   |  4 ++--
 drivers/mfd/arizona-core.c     |  2 +-
 drivers/mfd/twl6040.c          |  2 +-
 drivers/mfd/wm5102-tables.c    |  6 +++---
 drivers/mfd/wm5110-tables.c    |  6 +++---
 drivers/mfd/wm8994-core.c      |  8 ++++----
 drivers/mfd/wm8997-tables.c    |  2 +-
 include/linux/regmap.h         | 17 ++++++++++++++---
 sound/soc/codecs/arizona.c     |  2 +-
 sound/soc/codecs/cs35l32.c     |  2 +-
 sound/soc/codecs/cs42l52.c     |  2 +-
 sound/soc/codecs/da7210.c      |  4 ++--
 sound/soc/codecs/rt5640.c      |  2 +-
 sound/soc/codecs/rt5645.c      |  4 ++--
 sound/soc/codecs/rt5651.c      |  2 +-
 sound/soc/codecs/rt5670.c      |  2 +-
 sound/soc/codecs/rt5677.c      |  2 +-
 sound/soc/codecs/tlv320aic3x.c |  2 +-
 sound/soc/codecs/wm2200.c      |  2 +-
 sound/soc/codecs/wm5100.c      |  2 +-
 sound/soc/codecs/wm8962.c      |  2 +-
 sound/soc/codecs/wm8993.c      |  2 +-
 27 files changed, 62 insertions(+), 51 deletions(-)

diff --git a/drivers/base/regmap/internal.h b/drivers/base/regmap/internal.h
index b2b2849..873ddf9 100644
--- a/drivers/base/regmap/internal.h
+++ b/drivers/base/regmap/internal.h
@@ -136,7 +136,7 @@ struct regmap {
 	/* if set, the HW registers are known to match map->reg_defaults */
 	bool no_sync_defaults;
 
-	struct reg_default *patch;
+	struct reg_sequence *patch;
 	int patch_regs;
 
 	/* if set, converts bulk rw to single rw */
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index dd63bcb..0a849ee 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -1755,7 +1755,7 @@ EXPORT_SYMBOL_GPL(regmap_bulk_write);
  * relative. The page register has been written if that was neccessary.
  */
 static int _regmap_raw_multi_reg_write(struct regmap *map,
-				       const struct reg_default *regs,
+				       const struct reg_sequence *regs,
 				       size_t num_regs)
 {
 	int ret;
@@ -1812,12 +1812,12 @@ static unsigned int _regmap_register_page(struct regmap *map,
 }
 
 static int _regmap_range_multi_paged_reg_write(struct regmap *map,
-					       struct reg_default *regs,
+					       struct reg_sequence *regs,
 					       size_t num_regs)
 {
 	int ret;
 	int i, n;
-	struct reg_default *base;
+	struct reg_sequence *base;
 	unsigned int this_page = 0;
 	/*
 	 * the set of registers are not neccessarily in order, but
@@ -1855,7 +1855,7 @@ static int _regmap_range_multi_paged_reg_write(struct regmap *map,
 }
 
 static int _regmap_multi_reg_write(struct regmap *map,
-				   const struct reg_default *regs,
+				   const struct reg_sequence *regs,
 				   size_t num_regs)
 {
 	int i;
@@ -1907,8 +1907,8 @@ static int _regmap_multi_reg_write(struct regmap *map,
 		struct regmap_range_node *range;
 		range = _regmap_range_lookup(map, reg);
 		if (range) {
-			size_t len = sizeof(struct reg_default)*num_regs;
-			struct reg_default *base = kmemdup(regs, len,
+			size_t len = sizeof(struct reg_sequence)*num_regs;
+			struct reg_sequence *base = kmemdup(regs, len,
 							   GFP_KERNEL);
 			if (!base)
 				return -ENOMEM;
@@ -1941,7 +1941,7 @@ static int _regmap_multi_reg_write(struct regmap *map,
  * A value of zero will be returned on success, a negative errno will be
  * returned in error cases.
  */
-int regmap_multi_reg_write(struct regmap *map, const struct reg_default *regs,
+int regmap_multi_reg_write(struct regmap *map, const struct reg_sequence *regs,
 			   int num_regs)
 {
 	int ret;
@@ -1974,7 +1974,7 @@ EXPORT_SYMBOL_GPL(regmap_multi_reg_write);
  * be returned in error cases.
  */
 int regmap_multi_reg_write_bypassed(struct regmap *map,
-				    const struct reg_default *regs,
+				    const struct reg_sequence *regs,
 				    int num_regs)
 {
 	int ret;
@@ -2587,10 +2587,10 @@ EXPORT_SYMBOL_GPL(regmap_async_complete);
  * The caller must ensure that this function cannot be called
  * concurrently with either itself or regcache_sync().
  */
-int regmap_register_patch(struct regmap *map, const struct reg_default *regs,
+int regmap_register_patch(struct regmap *map, const struct reg_sequence *regs,
 			  int num_regs)
 {
-	struct reg_default *p;
+	struct reg_sequence *p;
 	int ret;
 	bool bypass;
 
@@ -2599,7 +2599,7 @@ int regmap_register_patch(struct regmap *map, const struct reg_default *regs,
 		return 0;
 
 	p = krealloc(map->patch,
-		     sizeof(struct reg_default) * (map->patch_regs + num_regs),
+		     sizeof(struct reg_sequence) * (map->patch_regs + num_regs),
 		     GFP_KERNEL);
 	if (p) {
 		memcpy(p + map->patch_regs, regs, num_regs * sizeof(*regs));
diff --git a/drivers/gpu/drm/i2c/adv7511.c b/drivers/gpu/drm/i2c/adv7511.c
index 2aaa3c8..00416f2 100644
--- a/drivers/gpu/drm/i2c/adv7511.c
+++ b/drivers/gpu/drm/i2c/adv7511.c
@@ -54,7 +54,7 @@ static struct adv7511 *encoder_to_adv7511(struct drm_encoder *encoder)
 }
 
 /* ADI recommended values for proper operation. */
-static const struct reg_default adv7511_fixed_registers[] = {
+static const struct reg_sequence adv7511_fixed_registers[] = {
 	{ 0x98, 0x03 },
 	{ 0x9a, 0xe0 },
 	{ 0x9c, 0x30 },
diff --git a/drivers/input/misc/drv260x.c b/drivers/input/misc/drv260x.c
index e5d60ec..f5c9cf2 100644
--- a/drivers/input/misc/drv260x.c
+++ b/drivers/input/misc/drv260x.c
@@ -313,14 +313,14 @@ static void drv260x_close(struct input_dev *input)
 	gpiod_set_value(haptics->enable_gpio, 0);
 }
 
-static const struct reg_default drv260x_lra_cal_regs[] = {
+static const struct reg_sequence drv260x_lra_cal_regs[] = {
 	{ DRV260X_MODE, DRV260X_AUTO_CAL },
 	{ DRV260X_CTRL3, DRV260X_NG_THRESH_2 },
 	{ DRV260X_FEEDBACK_CTRL, DRV260X_FB_REG_LRA_MODE |
 		DRV260X_BRAKE_FACTOR_4X | DRV260X_LOOP_GAIN_HIGH },
 };
 
-static const struct reg_default drv260x_lra_init_regs[] = {
+static const struct reg_sequence drv260x_lra_init_regs[] = {
 	{ DRV260X_MODE, DRV260X_RT_PLAYBACK },
 	{ DRV260X_A_TO_V_CTRL, DRV260X_AUDIO_HAPTICS_PEAK_20MS |
 		DRV260X_AUDIO_HAPTICS_FILTER_125HZ },
@@ -337,7 +337,7 @@ static const struct reg_default drv260x_lra_init_regs[] = {
 	{ DRV260X_CTRL4, DRV260X_AUTOCAL_TIME_500MS },
 };
 
-static const struct reg_default drv260x_erm_cal_regs[] = {
+static const struct reg_sequence drv260x_erm_cal_regs[] = {
 	{ DRV260X_MODE, DRV260X_AUTO_CAL },
 	{ DRV260X_A_TO_V_MIN_INPUT, DRV260X_AUDIO_HAPTICS_MIN_IN_VOLT },
 	{ DRV260X_A_TO_V_MAX_INPUT, DRV260X_AUDIO_HAPTICS_MAX_IN_VOLT },
diff --git a/drivers/input/misc/drv2665.c b/drivers/input/misc/drv2665.c
index 0afaa33..924456e 100644
--- a/drivers/input/misc/drv2665.c
+++ b/drivers/input/misc/drv2665.c
@@ -132,7 +132,7 @@ static void drv2665_close(struct input_dev *input)
 			"Failed to enter standby mode: %d\n", error);
 }
 
-static const struct reg_default drv2665_init_regs[] = {
+static const struct reg_sequence drv2665_init_regs[] = {
 	{ DRV2665_CTRL_2, 0 | DRV2665_10_MS_IDLE_TOUT },
 	{ DRV2665_CTRL_1, DRV2665_25_VPP_GAIN },
 };
diff --git a/drivers/input/misc/drv2667.c b/drivers/input/misc/drv2667.c
index fc0fddf..047136a 100644
--- a/drivers/input/misc/drv2667.c
+++ b/drivers/input/misc/drv2667.c
@@ -262,14 +262,14 @@ static void drv2667_close(struct input_dev *input)
 			"Failed to enter standby mode: %d\n", error);
 }
 
-static const struct reg_default drv2667_init_regs[] = {
+static const struct reg_sequence drv2667_init_regs[] = {
 	{ DRV2667_CTRL_2, 0 },
 	{ DRV2667_CTRL_1, DRV2667_25_VPP_GAIN },
 	{ DRV2667_WV_SEQ_0, 1 },
 	{ DRV2667_WV_SEQ_1, 0 }
 };
 
-static const struct reg_default drv2667_page1_init[] = {
+static const struct reg_sequence drv2667_page1_init[] = {
 	{ DRV2667_RAM_HDR_SZ, 0x05 },
 	{ DRV2667_RAM_START_HI, 0x80 },
 	{ DRV2667_RAM_START_LO, 0x06 },
diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
index bebf58a..66d50be 100644
--- a/drivers/mfd/arizona-core.c
+++ b/drivers/mfd/arizona-core.c
@@ -392,7 +392,7 @@ err:
  * Register patch to some of the CODECs internal write sequences
  * to ensure a clean exit from the low power sleep state.
  */
-static const struct reg_default wm5110_sleep_patch[] = {
+static const struct reg_sequence wm5110_sleep_patch[] = {
 	{ 0x337A, 0xC100 },
 	{ 0x337B, 0x0041 },
 	{ 0x3300, 0xA210 },
diff --git a/drivers/mfd/twl6040.c b/drivers/mfd/twl6040.c
index c5265c1..583dc33 100644
--- a/drivers/mfd/twl6040.c
+++ b/drivers/mfd/twl6040.c
@@ -86,7 +86,7 @@ static const struct reg_default twl6040_defaults[] = {
 	{ 0x2E, 0x00 }, /* REG_STATUS	(ro) */
 };
 
-static struct reg_default twl6040_patch[] = {
+static struct reg_sequence twl6040_patch[] = {
 	/*
 	 * Select I2C bus access to dual access registers
 	 * Interrupt register is cleared on read
diff --git a/drivers/mfd/wm5102-tables.c b/drivers/mfd/wm5102-tables.c
index aeae6ec..423fb37 100644
--- a/drivers/mfd/wm5102-tables.c
+++ b/drivers/mfd/wm5102-tables.c
@@ -21,7 +21,7 @@
 #define WM5102_NUM_AOD_ISR 2
 #define WM5102_NUM_ISR 5
 
-static const struct reg_default wm5102_reva_patch[] = {
+static const struct reg_sequence wm5102_reva_patch[] = {
 	{ 0x80, 0x0003 },
 	{ 0x221, 0x0090 },
 	{ 0x211, 0x0014 },
@@ -57,7 +57,7 @@ static const struct reg_default wm5102_reva_patch[] = {
 	{ 0x80, 0x0000 },
 };
 
-static const struct reg_default wm5102_revb_patch[] = {
+static const struct reg_sequence wm5102_revb_patch[] = {
 	{ 0x19, 0x0001 },
 	{ 0x80, 0x0003 },
 	{ 0x081, 0xE022 },
@@ -80,7 +80,7 @@ static const struct reg_default wm5102_revb_patch[] = {
 /* We use a function so we can use ARRAY_SIZE() */
 int wm5102_patch(struct arizona *arizona)
 {
-	const struct reg_default *wm5102_patch;
+	const struct reg_sequence *wm5102_patch;
 	int patch_size;
 
 	switch (arizona->rev) {
diff --git a/drivers/mfd/wm5110-tables.c b/drivers/mfd/wm5110-tables.c
index 12cad94..26ce14f 100644
--- a/drivers/mfd/wm5110-tables.c
+++ b/drivers/mfd/wm5110-tables.c
@@ -21,7 +21,7 @@
 #define WM5110_NUM_AOD_ISR 2
 #define WM5110_NUM_ISR 5
 
-static const struct reg_default wm5110_reva_patch[] = {
+static const struct reg_sequence wm5110_reva_patch[] = {
 	{ 0x80, 0x3 },
 	{ 0x44, 0x20 },
 	{ 0x45, 0x40 },
@@ -134,7 +134,7 @@ static const struct reg_default wm5110_reva_patch[] = {
 	{ 0x209, 0x002A },
 };
 
-static const struct reg_default wm5110_revb_patch[] = {
+static const struct reg_sequence wm5110_revb_patch[] = {
 	{ 0x80, 0x3 },
 	{ 0x36e, 0x0210 },
 	{ 0x370, 0x0210 },
@@ -224,7 +224,7 @@ static const struct reg_default wm5110_revb_patch[] = {
 	{ 0x80, 0x0 },
 };
 
-static const struct reg_default wm5110_revd_patch[] = {
+static const struct reg_sequence wm5110_revd_patch[] = {
 	{ 0x80, 0x3 },
 	{ 0x80, 0x3 },
 	{ 0x393, 0x27 },
diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c
index 53ae5af..0f4169a 100644
--- a/drivers/mfd/wm8994-core.c
+++ b/drivers/mfd/wm8994-core.c
@@ -243,21 +243,21 @@ static int wm8994_ldo_in_use(struct wm8994_pdata *pdata, int ldo)
 }
 #endif
 
-static const struct reg_default wm8994_revc_patch[] = {
+static const struct reg_sequence wm8994_revc_patch[] = {
 	{ 0x102, 0x3 },
 	{ 0x56, 0x3 },
 	{ 0x817, 0x0 },
 	{ 0x102, 0x0 },
 };
 
-static const struct reg_default wm8958_reva_patch[] = {
+static const struct reg_sequence wm8958_reva_patch[] = {
 	{ 0x102, 0x3 },
 	{ 0xcb, 0x81 },
 	{ 0x817, 0x0 },
 	{ 0x102, 0x0 },
 };
 
-static const struct reg_default wm1811_reva_patch[] = {
+static const struct reg_sequence wm1811_reva_patch[] = {
 	{ 0x102, 0x3 },
 	{ 0x56, 0xc07 },
 	{ 0x5d, 0x7e },
@@ -326,7 +326,7 @@ static int wm8994_device_init(struct wm8994 *wm8994, int irq)
 {
 	struct wm8994_pdata *pdata;
 	struct regmap_config *regmap_config;
-	const struct reg_default *regmap_patch = NULL;
+	const struct reg_sequence *regmap_patch = NULL;
 	const char *devname;
 	int ret, i, patch_regs = 0;
 	int pulls = 0;
diff --git a/drivers/mfd/wm8997-tables.c b/drivers/mfd/wm8997-tables.c
index c0c25d75..cab2c68 100644
--- a/drivers/mfd/wm8997-tables.c
+++ b/drivers/mfd/wm8997-tables.c
@@ -17,7 +17,7 @@
 
 #include "arizona.h"
 
-static const struct reg_default wm8997_reva_patch[] = {
+static const struct reg_sequence wm8997_reva_patch[] = {
 	{ 0x80, 0x0003 },
 	{ 0x214, 0x0008 },
 	{ 0x458, 0x0000 },
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 519c962..4a67590 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -50,6 +50,17 @@ struct reg_default {
 	unsigned int def;
 };
 
+/**
+ * Register/value pairs for sequences of writes
+ *
+ * @reg: Register address.
+ * @def: Register value.
+ */
+struct reg_sequence {
+	unsigned int reg;
+	unsigned int def;
+};
+
 #ifdef CONFIG_REGMAP
 
 enum regmap_endian {
@@ -410,10 +421,10 @@ int regmap_raw_write(struct regmap *map, unsigned int reg,
 		     const void *val, size_t val_len);
 int regmap_bulk_write(struct regmap *map, unsigned int reg, const void *val,
 			size_t val_count);
-int regmap_multi_reg_write(struct regmap *map, const struct reg_default *regs,
+int regmap_multi_reg_write(struct regmap *map, const struct reg_sequence *regs,
 			int num_regs);
 int regmap_multi_reg_write_bypassed(struct regmap *map,
-				    const struct reg_default *regs,
+				    const struct reg_sequence *regs,
 				    int num_regs);
 int regmap_raw_write_async(struct regmap *map, unsigned int reg,
 			   const void *val, size_t val_len);
@@ -452,7 +463,7 @@ void regcache_mark_dirty(struct regmap *map);
 bool regmap_check_range_table(struct regmap *map, unsigned int reg,
 			      const struct regmap_access_table *table);
 
-int regmap_register_patch(struct regmap *map, const struct reg_default *regs,
+int regmap_register_patch(struct regmap *map, const struct reg_sequence *regs,
 			  int num_regs);
 int regmap_parse_val(struct regmap *map, const void *buf,
 				unsigned int *val);
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index 802e05e..5edd33f 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -1366,7 +1366,7 @@ static void arizona_wm5102_set_dac_comp(struct snd_soc_codec *codec,
 {
 	struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
 	struct arizona *arizona = priv->arizona;
-	struct reg_default dac_comp[] = {
+	struct reg_sequence dac_comp[] = {
 		{ 0x80, 0x3 },
 		{ ARIZONA_DAC_COMP_1, 0 },
 		{ ARIZONA_DAC_COMP_2, 0 },
diff --git a/sound/soc/codecs/cs35l32.c b/sound/soc/codecs/cs35l32.c
index 8f40025..2813a1b 100644
--- a/sound/soc/codecs/cs35l32.c
+++ b/sound/soc/codecs/cs35l32.c
@@ -276,7 +276,7 @@ static const struct snd_soc_codec_driver soc_codec_dev_cs35l32 = {
 };
 
 /* Current and threshold powerup sequence Pg37 in datasheet */
-static const struct reg_default cs35l32_monitor_patch[] = {
+static const struct reg_sequence cs35l32_monitor_patch[] = {
 
 	{ 0x00, 0x99 },
 	{ 0x48, 0x17 },
diff --git a/sound/soc/codecs/cs42l52.c b/sound/soc/codecs/cs42l52.c
index 4de52c9..8b2d059 100644
--- a/sound/soc/codecs/cs42l52.c
+++ b/sound/soc/codecs/cs42l52.c
@@ -1118,7 +1118,7 @@ static const struct snd_soc_codec_driver soc_codec_dev_cs42l52 = {
 };
 
 /* Current and threshold powerup sequence Pg37 */
-static const struct reg_default cs42l52_threshold_patch[] = {
+static const struct reg_sequence cs42l52_threshold_patch[] = {
 
 	{ 0x00, 0x99 },
 	{ 0x3E, 0xBA },
diff --git a/sound/soc/codecs/da7210.c b/sound/soc/codecs/da7210.c
index 21810e5..bf0fb3d 100644
--- a/sound/soc/codecs/da7210.c
+++ b/sound/soc/codecs/da7210.c
@@ -1182,7 +1182,7 @@ static struct snd_soc_codec_driver soc_codec_dev_da7210 = {
 
 #if IS_ENABLED(CONFIG_I2C)
 
-static struct reg_default da7210_regmap_i2c_patch[] = {
+static struct reg_sequence da7210_regmap_i2c_patch[] = {
 
 	/* System controller master disable */
 	{ DA7210_STARTUP1, 0x00 },
@@ -1269,7 +1269,7 @@ static struct i2c_driver da7210_i2c_driver = {
 
 #if defined(CONFIG_SPI_MASTER)
 
-static struct reg_default da7210_regmap_spi_patch[] = {
+static struct reg_sequence da7210_regmap_spi_patch[] = {
 	/* Dummy read to give two pulses over nCS for SPI */
 	{ DA7210_AUX2, 0x00 },
 	{ DA7210_AUX2, 0x00 },
diff --git a/sound/soc/codecs/rt5640.c b/sound/soc/codecs/rt5640.c
index 9bc78e5..1ed1f88 100644
--- a/sound/soc/codecs/rt5640.c
+++ b/sound/soc/codecs/rt5640.c
@@ -51,7 +51,7 @@ static const struct regmap_range_cfg rt5640_ranges[] = {
 	  .window_len = 0x1, },
 };
 
-static const struct reg_default init_list[] = {
+static const struct reg_sequence init_list[] = {
 	{RT5640_PR_BASE + 0x3d,	0x3600},
 	{RT5640_PR_BASE + 0x12,	0x0aa8},
 	{RT5640_PR_BASE + 0x14,	0x0aaa},
diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index 9ce311e..c0f4be4 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -54,7 +54,7 @@ static const struct regmap_range_cfg rt5645_ranges[] = {
 	},
 };
 
-static const struct reg_default init_list[] = {
+static const struct reg_sequence init_list[] = {
 	{RT5645_PR_BASE + 0x3d,	0x3600},
 	{RT5645_PR_BASE + 0x1c,	0xfd20},
 	{RT5645_PR_BASE + 0x20,	0x611f},
@@ -63,7 +63,7 @@ static const struct reg_default init_list[] = {
 };
 #define RT5645_INIT_REG_LEN ARRAY_SIZE(init_list)
 
-static const struct reg_default rt5650_init_list[] = {
+static const struct reg_sequence rt5650_init_list[] = {
 	{0xf6,	0x0100},
 };
 
diff --git a/sound/soc/codecs/rt5651.c b/sound/soc/codecs/rt5651.c
index a3506e1..db9b866 100644
--- a/sound/soc/codecs/rt5651.c
+++ b/sound/soc/codecs/rt5651.c
@@ -46,7 +46,7 @@ static const struct regmap_range_cfg rt5651_ranges[] = {
 	  .window_len = 0x1, },
 };
 
-static struct reg_default init_list[] = {
+static struct reg_sequence init_list[] = {
 	{RT5651_PR_BASE + 0x3d,	0x3e00},
 };
 
diff --git a/sound/soc/codecs/rt5670.c b/sound/soc/codecs/rt5670.c
index a9123d4..462a91f 100644
--- a/sound/soc/codecs/rt5670.c
+++ b/sound/soc/codecs/rt5670.c
@@ -51,7 +51,7 @@ static const struct regmap_range_cfg rt5670_ranges[] = {
 	  .window_len = 0x1, },
 };
 
-static const struct reg_default init_list[] = {
+static const struct reg_sequence init_list[] = {
 	{ RT5670_PR_BASE + 0x14, 0x9a8a },
 	{ RT5670_PR_BASE + 0x38, 0x3ba1 },
 	{ RT5670_PR_BASE + 0x3d, 0x3640 },
diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c
index 31d969a..b897752 100644
--- a/sound/soc/codecs/rt5677.c
+++ b/sound/soc/codecs/rt5677.c
@@ -54,7 +54,7 @@ static const struct regmap_range_cfg rt5677_ranges[] = {
 	},
 };
 
-static const struct reg_default init_list[] = {
+static const struct reg_sequence init_list[] = {
 	{RT5677_ASRC_12,	0x0018},
 	{RT5677_PR_BASE + 0x3d,	0x364d},
 	{RT5677_PR_BASE + 0x17,	0x4fc0},
diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c
index a7cf19b..83ae1eb 100644
--- a/sound/soc/codecs/tlv320aic3x.c
+++ b/sound/soc/codecs/tlv320aic3x.c
@@ -1668,7 +1668,7 @@ static const struct i2c_device_id aic3x_i2c_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, aic3x_i2c_id);
 
-static const struct reg_default aic3007_class_d[] = {
+static const struct reg_sequence aic3007_class_d[] = {
 	/* Class-D speaker driver init; datasheet p. 46 */
 	{ AIC3X_PAGE_SELECT, 0x0D },
 	{ 0xD, 0x0D },
diff --git a/sound/soc/codecs/wm2200.c b/sound/soc/codecs/wm2200.c
index c830832..6c60792 100644
--- a/sound/soc/codecs/wm2200.c
+++ b/sound/soc/codecs/wm2200.c
@@ -897,7 +897,7 @@ static bool wm2200_readable_register(struct device *dev, unsigned int reg)
 	}
 }
 
-static const struct reg_default wm2200_reva_patch[] = {
+static const struct reg_sequence wm2200_reva_patch[] = {
 	{ 0x07, 0x0003 },
 	{ 0x102, 0x0200 },
 	{ 0x203, 0x0084 },
diff --git a/sound/soc/codecs/wm5100.c b/sound/soc/codecs/wm5100.c
index 4c10cd8..26d79bb 100644
--- a/sound/soc/codecs/wm5100.c
+++ b/sound/soc/codecs/wm5100.c
@@ -1247,7 +1247,7 @@ static const struct snd_soc_dapm_route wm5100_dapm_routes[] = {
 	{ "PWM2", NULL, "PWM2 Driver" },
 };
 
-static const struct reg_default wm5100_reva_patches[] = {
+static const struct reg_sequence wm5100_reva_patches[] = {
 	{ WM5100_AUDIO_IF_1_10, 0 },
 	{ WM5100_AUDIO_IF_1_11, 1 },
 	{ WM5100_AUDIO_IF_1_12, 2 },
diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index c5748fd..05492e8 100644
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -3495,7 +3495,7 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8962 = {
 };
 
 /* Improve power consumption for IN4 DC measurement mode */
-static const struct reg_default wm8962_dc_measure[] = {
+static const struct reg_sequence wm8962_dc_measure[] = {
 	{ 0xfd, 0x1 },
 	{ 0xcc, 0x40 },
 	{ 0xfd, 0 },
diff --git a/sound/soc/codecs/wm8993.c b/sound/soc/codecs/wm8993.c
index 8a8db86..52ec64d 100644
--- a/sound/soc/codecs/wm8993.c
+++ b/sound/soc/codecs/wm8993.c
@@ -1595,7 +1595,7 @@ static int wm8993_resume(struct snd_soc_codec *codec)
 #endif
 
 /* Tune DC servo configuration */
-static struct reg_default wm8993_regmap_patch[] = {
+static struct reg_sequence wm8993_regmap_patch[] = {
 	{ 0x44, 3 },
 	{ 0x56, 3 },
 	{ 0x44, 0 },
-- 
2.1.4

[PATCH 1/2 V5] regmap: Use reg_sequence for multi_reg_write / register_patch

[Nariman Poushin]

Separate the functionality using sequences of register writes from the
functions that take register defaults. This change renames the arguments
in order to support the extension of reg_sequence to take an optional
delay to be applied after any given register in a sequence is written.
This avoids adding an int to all register defaults, which could
substantially increase memory usage for regmaps with large default tables.

This also updates all the clients of multi_reg_write/register_patch.

Signed-off-by: Nariman Poushin <nariman@opensource.wolfsonmicro.com>
---
 drivers/base/regmap/internal.h |  2 +-
 drivers/base/regmap/regmap.c   | 22 +++++++++++-----------
 drivers/gpu/drm/i2c/adv7511.c  |  2 +-
 drivers/input/misc/drv260x.c   |  6 +++---
 drivers/input/misc/drv2665.c   |  2 +-
 drivers/input/misc/drv2667.c   |  4 ++--
 drivers/mfd/arizona-core.c     |  2 +-
 drivers/mfd/twl6040.c          |  2 +-
 drivers/mfd/wm5102-tables.c    |  6 +++---
 drivers/mfd/wm5110-tables.c    |  6 +++---
 drivers/mfd/wm8994-core.c      |  8 ++++----
 drivers/mfd/wm8997-tables.c    |  2 +-
 include/linux/regmap.h         | 17 ++++++++++++++---
 sound/soc/codecs/arizona.c     |  2 +-
 sound/soc/codecs/cs35l32.c     |  2 +-
 sound/soc/codecs/cs42l52.c     |  2 +-
 sound/soc/codecs/da7210.c      |  4 ++--
 sound/soc/codecs/rt5640.c      |  2 +-
 sound/soc/codecs/rt5645.c      |  4 ++--
 sound/soc/codecs/rt5651.c      |  2 +-
 sound/soc/codecs/rt5670.c      |  2 +-
 sound/soc/codecs/rt5677.c      |  2 +-
 sound/soc/codecs/tlv320aic3x.c |  2 +-
 sound/soc/codecs/wm2200.c      |  2 +-
 sound/soc/codecs/wm5100.c      |  2 +-
 sound/soc/codecs/wm8962.c      |  2 +-
 sound/soc/codecs/wm8993.c      |  2 +-
 27 files changed, 62 insertions(+), 51 deletions(-)

diff --git a/drivers/base/regmap/internal.h b/drivers/base/regmap/internal.h
index b2b2849..873ddf9 100644
--- a/drivers/base/regmap/internal.h
+++ b/drivers/base/regmap/internal.h
@@ -136,7 +136,7 @@ struct regmap {
 	/* if set, the HW registers are known to match map->reg_defaults */
 	bool no_sync_defaults;
 
-	struct reg_default *patch;
+	struct reg_sequence *patch;
 	int patch_regs;
 
 	/* if set, converts bulk rw to single rw */
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index dd63bcb..0a849ee 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -1755,7 +1755,7 @@ EXPORT_SYMBOL_GPL(regmap_bulk_write);
  * relative. The page register has been written if that was neccessary.
  */
 static int _regmap_raw_multi_reg_write(struct regmap *map,
-				       const struct reg_default *regs,
+				       const struct reg_sequence *regs,
 				       size_t num_regs)
 {
 	int ret;
@@ -1812,12 +1812,12 @@ static unsigned int _regmap_register_page(struct regmap *map,
 }
 
 static int _regmap_range_multi_paged_reg_write(struct regmap *map,
-					       struct reg_default *regs,
+					       struct reg_sequence *regs,
 					       size_t num_regs)
 {
 	int ret;
 	int i, n;
-	struct reg_default *base;
+	struct reg_sequence *base;
 	unsigned int this_page = 0;
 	/*
 	 * the set of registers are not neccessarily in order, but
@@ -1855,7 +1855,7 @@ static int _regmap_range_multi_paged_reg_write(struct regmap *map,
 }
 
 static int _regmap_multi_reg_write(struct regmap *map,
-				   const struct reg_default *regs,
+				   const struct reg_sequence *regs,
 				   size_t num_regs)
 {
 	int i;
@@ -1907,8 +1907,8 @@ static int _regmap_multi_reg_write(struct regmap *map,
 		struct regmap_range_node *range;
 		range = _regmap_range_lookup(map, reg);
 		if (range) {
-			size_t len = sizeof(struct reg_default)*num_regs;
-			struct reg_default *base = kmemdup(regs, len,
+			size_t len = sizeof(struct reg_sequence)*num_regs;
+			struct reg_sequence *base = kmemdup(regs, len,
 							   GFP_KERNEL);
 			if (!base)
 				return -ENOMEM;
@@ -1941,7 +1941,7 @@ static int _regmap_multi_reg_write(struct regmap *map,
  * A value of zero will be returned on success, a negative errno will be
  * returned in error cases.
  */
-int regmap_multi_reg_write(struct regmap *map, const struct reg_default *regs,
+int regmap_multi_reg_write(struct regmap *map, const struct reg_sequence *regs,
 			   int num_regs)
 {
 	int ret;
@@ -1974,7 +1974,7 @@ EXPORT_SYMBOL_GPL(regmap_multi_reg_write);
  * be returned in error cases.
  */
 int regmap_multi_reg_write_bypassed(struct regmap *map,
-				    const struct reg_default *regs,
+				    const struct reg_sequence *regs,
 				    int num_regs)
 {
 	int ret;
@@ -2587,10 +2587,10 @@ EXPORT_SYMBOL_GPL(regmap_async_complete);
  * The caller must ensure that this function cannot be called
  * concurrently with either itself or regcache_sync().
  */
-int regmap_register_patch(struct regmap *map, const struct reg_default *regs,
+int regmap_register_patch(struct regmap *map, const struct reg_sequence *regs,
 			  int num_regs)
 {
-	struct reg_default *p;
+	struct reg_sequence *p;
 	int ret;
 	bool bypass;
 
@@ -2599,7 +2599,7 @@ int regmap_register_patch(struct regmap *map, const struct reg_default *regs,
 		return 0;
 
 	p = krealloc(map->patch,
-		     sizeof(struct reg_default) * (map->patch_regs + num_regs),
+		     sizeof(struct reg_sequence) * (map->patch_regs + num_regs),
 		     GFP_KERNEL);
 	if (p) {
 		memcpy(p + map->patch_regs, regs, num_regs * sizeof(*regs));
diff --git a/drivers/gpu/drm/i2c/adv7511.c b/drivers/gpu/drm/i2c/adv7511.c
index 2aaa3c8..00416f2 100644
--- a/drivers/gpu/drm/i2c/adv7511.c
+++ b/drivers/gpu/drm/i2c/adv7511.c
@@ -54,7 +54,7 @@ static struct adv7511 *encoder_to_adv7511(struct drm_encoder *encoder)
 }
 
 /* ADI recommended values for proper operation. */
-static const struct reg_default adv7511_fixed_registers[] = {
+static const struct reg_sequence adv7511_fixed_registers[] = {
 	{ 0x98, 0x03 },
 	{ 0x9a, 0xe0 },
 	{ 0x9c, 0x30 },
diff --git a/drivers/input/misc/drv260x.c b/drivers/input/misc/drv260x.c
index e5d60ec..f5c9cf2 100644
--- a/drivers/input/misc/drv260x.c
+++ b/drivers/input/misc/drv260x.c
@@ -313,14 +313,14 @@ static void drv260x_close(struct input_dev *input)
 	gpiod_set_value(haptics->enable_gpio, 0);
 }
 
-static const struct reg_default drv260x_lra_cal_regs[] = {
+static const struct reg_sequence drv260x_lra_cal_regs[] = {
 	{ DRV260X_MODE, DRV260X_AUTO_CAL },
 	{ DRV260X_CTRL3, DRV260X_NG_THRESH_2 },
 	{ DRV260X_FEEDBACK_CTRL, DRV260X_FB_REG_LRA_MODE |
 		DRV260X_BRAKE_FACTOR_4X | DRV260X_LOOP_GAIN_HIGH },
 };
 
-static const struct reg_default drv260x_lra_init_regs[] = {
+static const struct reg_sequence drv260x_lra_init_regs[] = {
 	{ DRV260X_MODE, DRV260X_RT_PLAYBACK },
 	{ DRV260X_A_TO_V_CTRL, DRV260X_AUDIO_HAPTICS_PEAK_20MS |
 		DRV260X_AUDIO_HAPTICS_FILTER_125HZ },
@@ -337,7 +337,7 @@ static const struct reg_default drv260x_lra_init_regs[] = {
 	{ DRV260X_CTRL4, DRV260X_AUTOCAL_TIME_500MS },
 };
 
-static const struct reg_default drv260x_erm_cal_regs[] = {
+static const struct reg_sequence drv260x_erm_cal_regs[] = {
 	{ DRV260X_MODE, DRV260X_AUTO_CAL },
 	{ DRV260X_A_TO_V_MIN_INPUT, DRV260X_AUDIO_HAPTICS_MIN_IN_VOLT },
 	{ DRV260X_A_TO_V_MAX_INPUT, DRV260X_AUDIO_HAPTICS_MAX_IN_VOLT },
diff --git a/drivers/input/misc/drv2665.c b/drivers/input/misc/drv2665.c
index 0afaa33..924456e 100644
--- a/drivers/input/misc/drv2665.c
+++ b/drivers/input/misc/drv2665.c
@@ -132,7 +132,7 @@ static void drv2665_close(struct input_dev *input)
 			"Failed to enter standby mode: %d\n", error);
 }
 
-static const struct reg_default drv2665_init_regs[] = {
+static const struct reg_sequence drv2665_init_regs[] = {
 	{ DRV2665_CTRL_2, 0 | DRV2665_10_MS_IDLE_TOUT },
 	{ DRV2665_CTRL_1, DRV2665_25_VPP_GAIN },
 };
diff --git a/drivers/input/misc/drv2667.c b/drivers/input/misc/drv2667.c
index fc0fddf..047136a 100644
--- a/drivers/input/misc/drv2667.c
+++ b/drivers/input/misc/drv2667.c
@@ -262,14 +262,14 @@ static void drv2667_close(struct input_dev *input)
 			"Failed to enter standby mode: %d\n", error);
 }
 
-static const struct reg_default drv2667_init_regs[] = {
+static const struct reg_sequence drv2667_init_regs[] = {
 	{ DRV2667_CTRL_2, 0 },
 	{ DRV2667_CTRL_1, DRV2667_25_VPP_GAIN },
 	{ DRV2667_WV_SEQ_0, 1 },
 	{ DRV2667_WV_SEQ_1, 0 }
 };
 
-static const struct reg_default drv2667_page1_init[] = {
+static const struct reg_sequence drv2667_page1_init[] = {
 	{ DRV2667_RAM_HDR_SZ, 0x05 },
 	{ DRV2667_RAM_START_HI, 0x80 },
 	{ DRV2667_RAM_START_LO, 0x06 },
diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
index bebf58a..66d50be 100644
--- a/drivers/mfd/arizona-core.c
+++ b/drivers/mfd/arizona-core.c
@@ -392,7 +392,7 @@ err:
  * Register patch to some of the CODECs internal write sequences
  * to ensure a clean exit from the low power sleep state.
  */
-static const struct reg_default wm5110_sleep_patch[] = {
+static const struct reg_sequence wm5110_sleep_patch[] = {
 	{ 0x337A, 0xC100 },
 	{ 0x337B, 0x0041 },
 	{ 0x3300, 0xA210 },
diff --git a/drivers/mfd/twl6040.c b/drivers/mfd/twl6040.c
index c5265c1..583dc33 100644
--- a/drivers/mfd/twl6040.c
+++ b/drivers/mfd/twl6040.c
@@ -86,7 +86,7 @@ static const struct reg_default twl6040_defaults[] = {
 	{ 0x2E, 0x00 }, /* REG_STATUS	(ro) */
 };
 
-static struct reg_default twl6040_patch[] = {
+static struct reg_sequence twl6040_patch[] = {
 	/*
 	 * Select I2C bus access to dual access registers
 	 * Interrupt register is cleared on read
diff --git a/drivers/mfd/wm5102-tables.c b/drivers/mfd/wm5102-tables.c
index aeae6ec..423fb37 100644
--- a/drivers/mfd/wm5102-tables.c
+++ b/drivers/mfd/wm5102-tables.c
@@ -21,7 +21,7 @@
 #define WM5102_NUM_AOD_ISR 2
 #define WM5102_NUM_ISR 5
 
-static const struct reg_default wm5102_reva_patch[] = {
+static const struct reg_sequence wm5102_reva_patch[] = {
 	{ 0x80, 0x0003 },
 	{ 0x221, 0x0090 },
 	{ 0x211, 0x0014 },
@@ -57,7 +57,7 @@ static const struct reg_default wm5102_reva_patch[] = {
 	{ 0x80, 0x0000 },
 };
 
-static const struct reg_default wm5102_revb_patch[] = {
+static const struct reg_sequence wm5102_revb_patch[] = {
 	{ 0x19, 0x0001 },
 	{ 0x80, 0x0003 },
 	{ 0x081, 0xE022 },
@@ -80,7 +80,7 @@ static const struct reg_default wm5102_revb_patch[] = {
 /* We use a function so we can use ARRAY_SIZE() */
 int wm5102_patch(struct arizona *arizona)
 {
-	const struct reg_default *wm5102_patch;
+	const struct reg_sequence *wm5102_patch;
 	int patch_size;
 
 	switch (arizona->rev) {
diff --git a/drivers/mfd/wm5110-tables.c b/drivers/mfd/wm5110-tables.c
index 12cad94..26ce14f 100644
--- a/drivers/mfd/wm5110-tables.c
+++ b/drivers/mfd/wm5110-tables.c
@@ -21,7 +21,7 @@
 #define WM5110_NUM_AOD_ISR 2
 #define WM5110_NUM_ISR 5
 
-static const struct reg_default wm5110_reva_patch[] = {
+static const struct reg_sequence wm5110_reva_patch[] = {
 	{ 0x80, 0x3 },
 	{ 0x44, 0x20 },
 	{ 0x45, 0x40 },
@@ -134,7 +134,7 @@ static const struct reg_default wm5110_reva_patch[] = {
 	{ 0x209, 0x002A },
 };
 
-static const struct reg_default wm5110_revb_patch[] = {
+static const struct reg_sequence wm5110_revb_patch[] = {
 	{ 0x80, 0x3 },
 	{ 0x36e, 0x0210 },
 	{ 0x370, 0x0210 },
@@ -224,7 +224,7 @@ static const struct reg_default wm5110_revb_patch[] = {
 	{ 0x80, 0x0 },
 };
 
-static const struct reg_default wm5110_revd_patch[] = {
+static const struct reg_sequence wm5110_revd_patch[] = {
 	{ 0x80, 0x3 },
 	{ 0x80, 0x3 },
 	{ 0x393, 0x27 },
diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c
index 53ae5af..0f4169a 100644
--- a/drivers/mfd/wm8994-core.c
+++ b/drivers/mfd/wm8994-core.c
@@ -243,21 +243,21 @@ static int wm8994_ldo_in_use(struct wm8994_pdata *pdata, int ldo)
 }
 #endif
 
-static const struct reg_default wm8994_revc_patch[] = {
+static const struct reg_sequence wm8994_revc_patch[] = {
 	{ 0x102, 0x3 },
 	{ 0x56, 0x3 },
 	{ 0x817, 0x0 },
 	{ 0x102, 0x0 },
 };
 
-static const struct reg_default wm8958_reva_patch[] = {
+static const struct reg_sequence wm8958_reva_patch[] = {
 	{ 0x102, 0x3 },
 	{ 0xcb, 0x81 },
 	{ 0x817, 0x0 },
 	{ 0x102, 0x0 },
 };
 
-static const struct reg_default wm1811_reva_patch[] = {
+static const struct reg_sequence wm1811_reva_patch[] = {
 	{ 0x102, 0x3 },
 	{ 0x56, 0xc07 },
 	{ 0x5d, 0x7e },
@@ -326,7 +326,7 @@ static int wm8994_device_init(struct wm8994 *wm8994, int irq)
 {
 	struct wm8994_pdata *pdata;
 	struct regmap_config *regmap_config;
-	const struct reg_default *regmap_patch = NULL;
+	const struct reg_sequence *regmap_patch = NULL;
 	const char *devname;
 	int ret, i, patch_regs = 0;
 	int pulls = 0;
diff --git a/drivers/mfd/wm8997-tables.c b/drivers/mfd/wm8997-tables.c
index c0c25d75..cab2c68 100644
--- a/drivers/mfd/wm8997-tables.c
+++ b/drivers/mfd/wm8997-tables.c
@@ -17,7 +17,7 @@
 
 #include "arizona.h"
 
-static const struct reg_default wm8997_reva_patch[] = {
+static const struct reg_sequence wm8997_reva_patch[] = {
 	{ 0x80, 0x0003 },
 	{ 0x214, 0x0008 },
 	{ 0x458, 0x0000 },
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 519c962..4a67590 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -50,6 +50,17 @@ struct reg_default {
 	unsigned int def;
 };
 
+/**
+ * Register/value pairs for sequences of writes
+ *
+ * @reg: Register address.
+ * @def: Register value.
+ */
+struct reg_sequence {
+	unsigned int reg;
+	unsigned int def;
+};
+
 #ifdef CONFIG_REGMAP
 
 enum regmap_endian {
@@ -410,10 +421,10 @@ int regmap_raw_write(struct regmap *map, unsigned int reg,
 		     const void *val, size_t val_len);
 int regmap_bulk_write(struct regmap *map, unsigned int reg, const void *val,
 			size_t val_count);
-int regmap_multi_reg_write(struct regmap *map, const struct reg_default *regs,
+int regmap_multi_reg_write(struct regmap *map, const struct reg_sequence *regs,
 			int num_regs);
 int regmap_multi_reg_write_bypassed(struct regmap *map,
-				    const struct reg_default *regs,
+				    const struct reg_sequence *regs,
 				    int num_regs);
 int regmap_raw_write_async(struct regmap *map, unsigned int reg,
 			   const void *val, size_t val_len);
@@ -452,7 +463,7 @@ void regcache_mark_dirty(struct regmap *map);
 bool regmap_check_range_table(struct regmap *map, unsigned int reg,
 			      const struct regmap_access_table *table);
 
-int regmap_register_patch(struct regmap *map, const struct reg_default *regs,
+int regmap_register_patch(struct regmap *map, const struct reg_sequence *regs,
 			  int num_regs);
 int regmap_parse_val(struct regmap *map, const void *buf,
 				unsigned int *val);
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index 802e05e..5edd33f 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -1366,7 +1366,7 @@ static void arizona_wm5102_set_dac_comp(struct snd_soc_codec *codec,
 {
 	struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
 	struct arizona *arizona = priv->arizona;
-	struct reg_default dac_comp[] = {
+	struct reg_sequence dac_comp[] = {
 		{ 0x80, 0x3 },
 		{ ARIZONA_DAC_COMP_1, 0 },
 		{ ARIZONA_DAC_COMP_2, 0 },
diff --git a/sound/soc/codecs/cs35l32.c b/sound/soc/codecs/cs35l32.c
index 8f40025..2813a1b 100644
--- a/sound/soc/codecs/cs35l32.c
+++ b/sound/soc/codecs/cs35l32.c
@@ -276,7 +276,7 @@ static const struct snd_soc_codec_driver soc_codec_dev_cs35l32 = {
 };
 
 /* Current and threshold powerup sequence Pg37 in datasheet */
-static const struct reg_default cs35l32_monitor_patch[] = {
+static const struct reg_sequence cs35l32_monitor_patch[] = {
 
 	{ 0x00, 0x99 },
 	{ 0x48, 0x17 },
diff --git a/sound/soc/codecs/cs42l52.c b/sound/soc/codecs/cs42l52.c
index 4de52c9..8b2d059 100644
--- a/sound/soc/codecs/cs42l52.c
+++ b/sound/soc/codecs/cs42l52.c
@@ -1118,7 +1118,7 @@ static const struct snd_soc_codec_driver soc_codec_dev_cs42l52 = {
 };
 
 /* Current and threshold powerup sequence Pg37 */
-static const struct reg_default cs42l52_threshold_patch[] = {
+static const struct reg_sequence cs42l52_threshold_patch[] = {
 
 	{ 0x00, 0x99 },
 	{ 0x3E, 0xBA },
diff --git a/sound/soc/codecs/da7210.c b/sound/soc/codecs/da7210.c
index 21810e5..bf0fb3d 100644
--- a/sound/soc/codecs/da7210.c
+++ b/sound/soc/codecs/da7210.c
@@ -1182,7 +1182,7 @@ static struct snd_soc_codec_driver soc_codec_dev_da7210 = {
 
 #if IS_ENABLED(CONFIG_I2C)
 
-static struct reg_default da7210_regmap_i2c_patch[] = {
+static struct reg_sequence da7210_regmap_i2c_patch[] = {
 
 	/* System controller master disable */
 	{ DA7210_STARTUP1, 0x00 },
@@ -1269,7 +1269,7 @@ static struct i2c_driver da7210_i2c_driver = {
 
 #if defined(CONFIG_SPI_MASTER)
 
-static struct reg_default da7210_regmap_spi_patch[] = {
+static struct reg_sequence da7210_regmap_spi_patch[] = {
 	/* Dummy read to give two pulses over nCS for SPI */
 	{ DA7210_AUX2, 0x00 },
 	{ DA7210_AUX2, 0x00 },
diff --git a/sound/soc/codecs/rt5640.c b/sound/soc/codecs/rt5640.c
index 9bc78e5..1ed1f88 100644
--- a/sound/soc/codecs/rt5640.c
+++ b/sound/soc/codecs/rt5640.c
@@ -51,7 +51,7 @@ static const struct regmap_range_cfg rt5640_ranges[] = {
 	  .window_len = 0x1, },
 };
 
-static const struct reg_default init_list[] = {
+static const struct reg_sequence init_list[] = {
 	{RT5640_PR_BASE + 0x3d,	0x3600},
 	{RT5640_PR_BASE + 0x12,	0x0aa8},
 	{RT5640_PR_BASE + 0x14,	0x0aaa},
diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index 9ce311e..c0f4be4 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -54,7 +54,7 @@ static const struct regmap_range_cfg rt5645_ranges[] = {
 	},
 };
 
-static const struct reg_default init_list[] = {
+static const struct reg_sequence init_list[] = {
 	{RT5645_PR_BASE + 0x3d,	0x3600},
 	{RT5645_PR_BASE + 0x1c,	0xfd20},
 	{RT5645_PR_BASE + 0x20,	0x611f},
@@ -63,7 +63,7 @@ static const struct reg_default init_list[] = {
 };
 #define RT5645_INIT_REG_LEN ARRAY_SIZE(init_list)
 
-static const struct reg_default rt5650_init_list[] = {
+static const struct reg_sequence rt5650_init_list[] = {
 	{0xf6,	0x0100},
 };
 
diff --git a/sound/soc/codecs/rt5651.c b/sound/soc/codecs/rt5651.c
index a3506e1..db9b866 100644
--- a/sound/soc/codecs/rt5651.c
+++ b/sound/soc/codecs/rt5651.c
@@ -46,7 +46,7 @@ static const struct regmap_range_cfg rt5651_ranges[] = {
 	  .window_len = 0x1, },
 };
 
-static struct reg_default init_list[] = {
+static struct reg_sequence init_list[] = {
 	{RT5651_PR_BASE + 0x3d,	0x3e00},
 };
 
diff --git a/sound/soc/codecs/rt5670.c b/sound/soc/codecs/rt5670.c
index a9123d4..462a91f 100644
--- a/sound/soc/codecs/rt5670.c
+++ b/sound/soc/codecs/rt5670.c
@@ -51,7 +51,7 @@ static const struct regmap_range_cfg rt5670_ranges[] = {
 	  .window_len = 0x1, },
 };
 
-static const struct reg_default init_list[] = {
+static const struct reg_sequence init_list[] = {
 	{ RT5670_PR_BASE + 0x14, 0x9a8a },
 	{ RT5670_PR_BASE + 0x38, 0x3ba1 },
 	{ RT5670_PR_BASE + 0x3d, 0x3640 },
diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c
index 31d969a..b897752 100644
--- a/sound/soc/codecs/rt5677.c
+++ b/sound/soc/codecs/rt5677.c
@@ -54,7 +54,7 @@ static const struct regmap_range_cfg rt5677_ranges[] = {
 	},
 };
 
-static const struct reg_default init_list[] = {
+static const struct reg_sequence init_list[] = {
 	{RT5677_ASRC_12,	0x0018},
 	{RT5677_PR_BASE + 0x3d,	0x364d},
 	{RT5677_PR_BASE + 0x17,	0x4fc0},
diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c
index a7cf19b..83ae1eb 100644
--- a/sound/soc/codecs/tlv320aic3x.c
+++ b/sound/soc/codecs/tlv320aic3x.c
@@ -1668,7 +1668,7 @@ static const struct i2c_device_id aic3x_i2c_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, aic3x_i2c_id);
 
-static const struct reg_default aic3007_class_d[] = {
+static const struct reg_sequence aic3007_class_d[] = {
 	/* Class-D speaker driver init; datasheet p. 46 */
 	{ AIC3X_PAGE_SELECT, 0x0D },
 	{ 0xD, 0x0D },
diff --git a/sound/soc/codecs/wm2200.c b/sound/soc/codecs/wm2200.c
index c830832..6c60792 100644
--- a/sound/soc/codecs/wm2200.c
+++ b/sound/soc/codecs/wm2200.c
@@ -897,7 +897,7 @@ static bool wm2200_readable_register(struct device *dev, unsigned int reg)
 	}
 }
 
-static const struct reg_default wm2200_reva_patch[] = {
+static const struct reg_sequence wm2200_reva_patch[] = {
 	{ 0x07, 0x0003 },
 	{ 0x102, 0x0200 },
 	{ 0x203, 0x0084 },
diff --git a/sound/soc/codecs/wm5100.c b/sound/soc/codecs/wm5100.c
index 4c10cd8..26d79bb 100644
--- a/sound/soc/codecs/wm5100.c
+++ b/sound/soc/codecs/wm5100.c
@@ -1247,7 +1247,7 @@ static const struct snd_soc_dapm_route wm5100_dapm_routes[] = {
 	{ "PWM2", NULL, "PWM2 Driver" },
 };
 
-static const struct reg_default wm5100_reva_patches[] = {
+static const struct reg_sequence wm5100_reva_patches[] = {
 	{ WM5100_AUDIO_IF_1_10, 0 },
 	{ WM5100_AUDIO_IF_1_11, 1 },
 	{ WM5100_AUDIO_IF_1_12, 2 },
diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index c5748fd..05492e8 100644
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -3495,7 +3495,7 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8962 = {
 };
 
 /* Improve power consumption for IN4 DC measurement mode */
-static const struct reg_default wm8962_dc_measure[] = {
+static const struct reg_sequence wm8962_dc_measure[] = {
 	{ 0xfd, 0x1 },
 	{ 0xcc, 0x40 },
 	{ 0xfd, 0 },
diff --git a/sound/soc/codecs/wm8993.c b/sound/soc/codecs/wm8993.c
index 8a8db86..52ec64d 100644
--- a/sound/soc/codecs/wm8993.c
+++ b/sound/soc/codecs/wm8993.c
@@ -1595,7 +1595,7 @@ static int wm8993_resume(struct snd_soc_codec *codec)
 #endif
 
 /* Tune DC servo configuration */
-static struct reg_default wm8993_regmap_patch[] = {
+static struct reg_sequence wm8993_regmap_patch[] = {
 	{ 0x44, 3 },
 	{ 0x56, 3 },
 	{ 0x44, 0 },
-- 
2.1.4

[PATCH 2/2 V5] regmap: Apply optional delay in multi_reg_write/register_patch

[Nariman Poushin]

Add an optional delay_us field in reg_sequence to allow the client to
specify a delay (in microseconds) to be applied after any given write
in a sequence of writes.

We treat a delay in a sequence the same way we treat a page change as
they are logically similar in that you can coalesce all write before
a delay (in the same way you can coalesce all writes before a page
change is needed)

Signed-off-by: Nariman Poushin <nariman@opensource.wolfsonmicro.com>
---
 drivers/base/regmap/regmap.c | 54 +++++++++++++++++++++++++++++++++++++++-----
 include/linux/regmap.h       |  5 +++-
 2 files changed, 52 insertions(+), 7 deletions(-)

diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 0a849ee..fd4dac9 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -18,6 +18,7 @@
 #include <linux/of.h>
 #include <linux/rbtree.h>
 #include <linux/sched.h>
+#include <linux/delay.h>
 
 #define CREATE_TRACE_POINTS
 #include "trace.h"
@@ -1819,10 +1820,12 @@ static int _regmap_range_multi_paged_reg_write(struct regmap *map,
 	int i, n;
 	struct reg_sequence *base;
 	unsigned int this_page = 0;
+	unsigned int page_change = 0;
 	/*
 	 * the set of registers are not neccessarily in order, but
 	 * since the order of write must be preserved this algorithm
-	 * chops the set each time the page changes
+	 * chops the set each time the page changes. This also applies
+	 * if there is a delay required at any point in the sequence.
 	 */
 	base = regs;
 	for (i = 0, n = 0; i < num_regs; i++, n++) {
@@ -1838,16 +1841,48 @@ static int _regmap_range_multi_paged_reg_write(struct regmap *map,
 				this_page = win_page;
 			if (win_page != this_page) {
 				this_page = win_page;
+				page_change = 1;
+			}
+		}
+
+		/* If we have both a page change and a delay make sure to
+		 * write the regs and apply the delay before we change the
+		 * page.
+		 */
+
+		if (page_change || regs[i].delay_us) {
+
+				/* For situations where the first write requires
+				 * a delay we need to make sure we don't call
+				 * raw_multi_reg_write with n=0
+				 * This can't occur with page breaks as we
+				 * never write on the first iteration
+				 */
+				if (regs[i].delay_us && i == 0)
+					n = 1;
+
 				ret = _regmap_raw_multi_reg_write(map, base, n);
 				if (ret != 0)
 					return ret;
+
+				if (regs[i].delay_us)
+					udelay(regs[i].delay_us);
+
 				base += n;
 				n = 0;
-			}
-			ret = _regmap_select_page(map, &base[n].reg, range, 1);
-			if (ret != 0)
-				return ret;
+
+				if (page_change) {
+					ret = _regmap_select_page(map,
+								  &base[n].reg,
+								  range, 1);
+					if (ret != 0)
+						return ret;
+
+					page_change = 0;
+				}
+
 		}
+
 	}
 	if (n > 0)
 		return _regmap_raw_multi_reg_write(map, base, n);
@@ -1866,6 +1901,9 @@ static int _regmap_multi_reg_write(struct regmap *map,
 			ret = _regmap_write(map, regs[i].reg, regs[i].def);
 			if (ret != 0)
 				return ret;
+
+			if (regs[i].delay_us)
+				udelay(regs[i].delay_us);
 		}
 		return 0;
 	}
@@ -1905,8 +1943,12 @@ static int _regmap_multi_reg_write(struct regmap *map,
 	for (i = 0; i < num_regs; i++) {
 		unsigned int reg = regs[i].reg;
 		struct regmap_range_node *range;
+
+		/* Coalesce all the writes between a page break or a delay
+		 * in a sequence
+		 */
 		range = _regmap_range_lookup(map, reg);
-		if (range) {
+		if (range || regs[i].delay_us) {
 			size_t len = sizeof(struct reg_sequence)*num_regs;
 			struct reg_sequence *base = kmemdup(regs, len,
 							   GFP_KERNEL);
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 4a67590..e32c28c 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -51,14 +51,17 @@ struct reg_default {
 };
 
 /**
- * Register/value pairs for sequences of writes
+ * Register/value pairs for sequences of writes with an optional delay in
+ * microseconds to be applied after each write.
  *
  * @reg: Register address.
  * @def: Register value.
+ * @delay_us: Delay to be applied after the register write in microseconds
  */
 struct reg_sequence {
 	unsigned int reg;
 	unsigned int def;
+	unsigned int delay_us;
 };
 
 #ifdef CONFIG_REGMAP
-- 
2.1.4

Re: [PATCH 2/2 V5] regmap: Apply optional delay in multi_reg_write/register_patch

[Mark Brown]

[-- Attachment #1: Type: text/plain, Size: 399 bytes --]

On Thu, Jul 16, 2015 at 04:36:22PM +0100, Nariman Poushin wrote:

> +
> +			if (regs[i].delay_us)
> +				udelay(regs[i].delay_us);

This is a bit funky.  While Takashi is correct that we could be running
in a spinlock equally this will mean that we could end up with some
really long busy waits.  It feels like we should at least make an effort
to complain about that, print a warning or something.

[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 473 bytes --]

Applied "regmap: Apply optional delay in multi_reg_write/register_patch" to the regmap tree

[Mark Brown]

The patch

   regmap: Apply optional delay in multi_reg_write/register_patch

has been applied to the regmap tree at

   git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap.git 

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.  

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark

>From 2de9d6006c190bb0f706e8404de94cd94293801f Mon Sep 17 00:00:00 2001
From: Nariman Poushin <nariman@opensource.wolfsonmicro.com>
Date: Thu, 16 Jul 2015 16:36:22 +0100
Subject: [PATCH] regmap: Apply optional delay in
 multi_reg_write/register_patch

Add an optional delay_us field in reg_sequence to allow the client to
specify a delay (in microseconds) to be applied after any given write
in a sequence of writes.

We treat a delay in a sequence the same way we treat a page change as
they are logically similar in that you can coalesce all write before
a delay (in the same way you can coalesce all writes before a page
change is needed)

Signed-off-by: Nariman Poushin <nariman@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---
 drivers/base/regmap/regmap.c | 54 +++++++++++++++++++++++++++++++++++++++-----
 include/linux/regmap.h       |  5 +++-
 2 files changed, 52 insertions(+), 7 deletions(-)

diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 2cbb4502747d..b3a5aa5cd580 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -18,6 +18,7 @@
 #include <linux/of.h>
 #include <linux/rbtree.h>
 #include <linux/sched.h>
+#include <linux/delay.h>
 
 #define CREATE_TRACE_POINTS
 #include "trace.h"
@@ -1807,10 +1808,12 @@ static int _regmap_range_multi_paged_reg_write(struct regmap *map,
 	int i, n;
 	struct reg_sequence *base;
 	unsigned int this_page = 0;
+	unsigned int page_change = 0;
 	/*
 	 * the set of registers are not neccessarily in order, but
 	 * since the order of write must be preserved this algorithm
-	 * chops the set each time the page changes
+	 * chops the set each time the page changes. This also applies
+	 * if there is a delay required at any point in the sequence.
 	 */
 	base = regs;
 	for (i = 0, n = 0; i < num_regs; i++, n++) {
@@ -1826,16 +1829,48 @@ static int _regmap_range_multi_paged_reg_write(struct regmap *map,
 				this_page = win_page;
 			if (win_page != this_page) {
 				this_page = win_page;
+				page_change = 1;
+			}
+		}
+
+		/* If we have both a page change and a delay make sure to
+		 * write the regs and apply the delay before we change the
+		 * page.
+		 */
+
+		if (page_change || regs[i].delay_us) {
+
+				/* For situations where the first write requires
+				 * a delay we need to make sure we don't call
+				 * raw_multi_reg_write with n=0
+				 * This can't occur with page breaks as we
+				 * never write on the first iteration
+				 */
+				if (regs[i].delay_us && i == 0)
+					n = 1;
+
 				ret = _regmap_raw_multi_reg_write(map, base, n);
 				if (ret != 0)
 					return ret;
+
+				if (regs[i].delay_us)
+					udelay(regs[i].delay_us);
+
 				base += n;
 				n = 0;
-			}
-			ret = _regmap_select_page(map, &base[n].reg, range, 1);
-			if (ret != 0)
-				return ret;
+
+				if (page_change) {
+					ret = _regmap_select_page(map,
+								  &base[n].reg,
+								  range, 1);
+					if (ret != 0)
+						return ret;
+
+					page_change = 0;
+				}
+
 		}
+
 	}
 	if (n > 0)
 		return _regmap_raw_multi_reg_write(map, base, n);
@@ -1854,6 +1889,9 @@ static int _regmap_multi_reg_write(struct regmap *map,
 			ret = _regmap_write(map, regs[i].reg, regs[i].def);
 			if (ret != 0)
 				return ret;
+
+			if (regs[i].delay_us)
+				udelay(regs[i].delay_us);
 		}
 		return 0;
 	}
@@ -1893,8 +1931,12 @@ static int _regmap_multi_reg_write(struct regmap *map,
 	for (i = 0; i < num_regs; i++) {
 		unsigned int reg = regs[i].reg;
 		struct regmap_range_node *range;
+
+		/* Coalesce all the writes between a page break or a delay
+		 * in a sequence
+		 */
 		range = _regmap_range_lookup(map, reg);
-		if (range) {
+		if (range || regs[i].delay_us) {
 			size_t len = sizeof(struct reg_sequence)*num_regs;
 			struct reg_sequence *base = kmemdup(regs, len,
 							   GFP_KERNEL);
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index c9ef2ec69142..5a7cf2136c81 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -51,14 +51,17 @@ struct reg_default {
 };
 
 /**
- * Register/value pairs for sequences of writes
+ * Register/value pairs for sequences of writes with an optional delay in
+ * microseconds to be applied after each write.
  *
  * @reg: Register address.
  * @def: Register value.
+ * @delay_us: Delay to be applied after the register write in microseconds
  */
 struct reg_sequence {
 	unsigned int reg;
 	unsigned int def;
+	unsigned int delay_us;
 };
 
 #ifdef CONFIG_REGMAP
-- 
2.1.4

Applied "regmap: Use reg_sequence for multi_reg_write / register_patch" to the regmap tree

[Mark Brown]

The patch

   regmap: Use reg_sequence for multi_reg_write / register_patch

has been applied to the regmap tree at

   git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap.git 

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.  

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark

>From 8019ff6cfc0440415fcfb6352c58c3951e6ab053 Mon Sep 17 00:00:00 2001
From: Nariman Poushin <nariman@opensource.wolfsonmicro.com>
Date: Thu, 16 Jul 2015 16:36:21 +0100
Subject: [PATCH] regmap: Use reg_sequence for multi_reg_write / register_patch

Separate the functionality using sequences of register writes from the
functions that take register defaults. This change renames the arguments
in order to support the extension of reg_sequence to take an optional
delay to be applied after any given register in a sequence is written.
This avoids adding an int to all register defaults, which could
substantially increase memory usage for regmaps with large default tables.

This also updates all the clients of multi_reg_write/register_patch.

Signed-off-by: Nariman Poushin <nariman@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---
 drivers/base/regmap/internal.h |  2 +-
 drivers/base/regmap/regmap.c   | 22 +++++++++++-----------
 drivers/gpu/drm/i2c/adv7511.c  |  2 +-
 drivers/input/misc/drv260x.c   |  6 +++---
 drivers/input/misc/drv2665.c   |  2 +-
 drivers/input/misc/drv2667.c   |  4 ++--
 drivers/mfd/arizona-core.c     |  2 +-
 drivers/mfd/twl6040.c          |  2 +-
 drivers/mfd/wm5102-tables.c    |  6 +++---
 drivers/mfd/wm5110-tables.c    |  6 +++---
 drivers/mfd/wm8994-core.c      |  8 ++++----
 drivers/mfd/wm8997-tables.c    |  2 +-
 include/linux/regmap.h         | 17 ++++++++++++++---
 sound/soc/codecs/arizona.c     |  2 +-
 sound/soc/codecs/cs35l32.c     |  2 +-
 sound/soc/codecs/cs42l52.c     |  2 +-
 sound/soc/codecs/da7210.c      |  4 ++--
 sound/soc/codecs/rt5640.c      |  2 +-
 sound/soc/codecs/rt5645.c      |  4 ++--
 sound/soc/codecs/rt5651.c      |  2 +-
 sound/soc/codecs/rt5670.c      |  2 +-
 sound/soc/codecs/rt5677.c      |  2 +-
 sound/soc/codecs/tlv320aic3x.c |  2 +-
 sound/soc/codecs/wm2200.c      |  2 +-
 sound/soc/codecs/wm5100.c      |  2 +-
 sound/soc/codecs/wm8962.c      |  2 +-
 sound/soc/codecs/wm8993.c      |  2 +-
 27 files changed, 62 insertions(+), 51 deletions(-)

diff --git a/drivers/base/regmap/internal.h b/drivers/base/regmap/internal.h
index b2b2849fc6d3..873ddf91c9d3 100644
--- a/drivers/base/regmap/internal.h
+++ b/drivers/base/regmap/internal.h
@@ -136,7 +136,7 @@ struct regmap {
 	/* if set, the HW registers are known to match map->reg_defaults */
 	bool no_sync_defaults;
 
-	struct reg_default *patch;
+	struct reg_sequence *patch;
 	int patch_regs;
 
 	/* if set, converts bulk rw to single rw */
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 7111d04f2621..2cbb4502747d 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -1743,7 +1743,7 @@ EXPORT_SYMBOL_GPL(regmap_bulk_write);
  * relative. The page register has been written if that was neccessary.
  */
 static int _regmap_raw_multi_reg_write(struct regmap *map,
-				       const struct reg_default *regs,
+				       const struct reg_sequence *regs,
 				       size_t num_regs)
 {
 	int ret;
@@ -1800,12 +1800,12 @@ static unsigned int _regmap_register_page(struct regmap *map,
 }
 
 static int _regmap_range_multi_paged_reg_write(struct regmap *map,
-					       struct reg_default *regs,
+					       struct reg_sequence *regs,
 					       size_t num_regs)
 {
 	int ret;
 	int i, n;
-	struct reg_default *base;
+	struct reg_sequence *base;
 	unsigned int this_page = 0;
 	/*
 	 * the set of registers are not neccessarily in order, but
@@ -1843,7 +1843,7 @@ static int _regmap_range_multi_paged_reg_write(struct regmap *map,
 }
 
 static int _regmap_multi_reg_write(struct regmap *map,
-				   const struct reg_default *regs,
+				   const struct reg_sequence *regs,
 				   size_t num_regs)
 {
 	int i;
@@ -1895,8 +1895,8 @@ static int _regmap_multi_reg_write(struct regmap *map,
 		struct regmap_range_node *range;
 		range = _regmap_range_lookup(map, reg);
 		if (range) {
-			size_t len = sizeof(struct reg_default)*num_regs;
-			struct reg_default *base = kmemdup(regs, len,
+			size_t len = sizeof(struct reg_sequence)*num_regs;
+			struct reg_sequence *base = kmemdup(regs, len,
 							   GFP_KERNEL);
 			if (!base)
 				return -ENOMEM;
@@ -1929,7 +1929,7 @@ static int _regmap_multi_reg_write(struct regmap *map,
  * A value of zero will be returned on success, a negative errno will be
  * returned in error cases.
  */
-int regmap_multi_reg_write(struct regmap *map, const struct reg_default *regs,
+int regmap_multi_reg_write(struct regmap *map, const struct reg_sequence *regs,
 			   int num_regs)
 {
 	int ret;
@@ -1962,7 +1962,7 @@ EXPORT_SYMBOL_GPL(regmap_multi_reg_write);
  * be returned in error cases.
  */
 int regmap_multi_reg_write_bypassed(struct regmap *map,
-				    const struct reg_default *regs,
+				    const struct reg_sequence *regs,
 				    int num_regs)
 {
 	int ret;
@@ -2552,10 +2552,10 @@ EXPORT_SYMBOL_GPL(regmap_async_complete);
  * The caller must ensure that this function cannot be called
  * concurrently with either itself or regcache_sync().
  */
-int regmap_register_patch(struct regmap *map, const struct reg_default *regs,
+int regmap_register_patch(struct regmap *map, const struct reg_sequence *regs,
 			  int num_regs)
 {
-	struct reg_default *p;
+	struct reg_sequence *p;
 	int ret;
 	bool bypass;
 
@@ -2564,7 +2564,7 @@ int regmap_register_patch(struct regmap *map, const struct reg_default *regs,
 		return 0;
 
 	p = krealloc(map->patch,
-		     sizeof(struct reg_default) * (map->patch_regs + num_regs),
+		     sizeof(struct reg_sequence) * (map->patch_regs + num_regs),
 		     GFP_KERNEL);
 	if (p) {
 		memcpy(p + map->patch_regs, regs, num_regs * sizeof(*regs));
diff --git a/drivers/gpu/drm/i2c/adv7511.c b/drivers/gpu/drm/i2c/adv7511.c
index 2aaa3c88999e..00416f23b5cb 100644
--- a/drivers/gpu/drm/i2c/adv7511.c
+++ b/drivers/gpu/drm/i2c/adv7511.c
@@ -54,7 +54,7 @@ static struct adv7511 *encoder_to_adv7511(struct drm_encoder *encoder)
 }
 
 /* ADI recommended values for proper operation. */
-static const struct reg_default adv7511_fixed_registers[] = {
+static const struct reg_sequence adv7511_fixed_registers[] = {
 	{ 0x98, 0x03 },
 	{ 0x9a, 0xe0 },
 	{ 0x9c, 0x30 },
diff --git a/drivers/input/misc/drv260x.c b/drivers/input/misc/drv260x.c
index e5d60ecd29a4..f5c9cf2f4073 100644
--- a/drivers/input/misc/drv260x.c
+++ b/drivers/input/misc/drv260x.c
@@ -313,14 +313,14 @@ static void drv260x_close(struct input_dev *input)
 	gpiod_set_value(haptics->enable_gpio, 0);
 }
 
-static const struct reg_default drv260x_lra_cal_regs[] = {
+static const struct reg_sequence drv260x_lra_cal_regs[] = {
 	{ DRV260X_MODE, DRV260X_AUTO_CAL },
 	{ DRV260X_CTRL3, DRV260X_NG_THRESH_2 },
 	{ DRV260X_FEEDBACK_CTRL, DRV260X_FB_REG_LRA_MODE |
 		DRV260X_BRAKE_FACTOR_4X | DRV260X_LOOP_GAIN_HIGH },
 };
 
-static const struct reg_default drv260x_lra_init_regs[] = {
+static const struct reg_sequence drv260x_lra_init_regs[] = {
 	{ DRV260X_MODE, DRV260X_RT_PLAYBACK },
 	{ DRV260X_A_TO_V_CTRL, DRV260X_AUDIO_HAPTICS_PEAK_20MS |
 		DRV260X_AUDIO_HAPTICS_FILTER_125HZ },
@@ -337,7 +337,7 @@ static const struct reg_default drv260x_lra_init_regs[] = {
 	{ DRV260X_CTRL4, DRV260X_AUTOCAL_TIME_500MS },
 };
 
-static const struct reg_default drv260x_erm_cal_regs[] = {
+static const struct reg_sequence drv260x_erm_cal_regs[] = {
 	{ DRV260X_MODE, DRV260X_AUTO_CAL },
 	{ DRV260X_A_TO_V_MIN_INPUT, DRV260X_AUDIO_HAPTICS_MIN_IN_VOLT },
 	{ DRV260X_A_TO_V_MAX_INPUT, DRV260X_AUDIO_HAPTICS_MAX_IN_VOLT },
diff --git a/drivers/input/misc/drv2665.c b/drivers/input/misc/drv2665.c
index 0afaa33de07d..924456e3ca75 100644
--- a/drivers/input/misc/drv2665.c
+++ b/drivers/input/misc/drv2665.c
@@ -132,7 +132,7 @@ static void drv2665_close(struct input_dev *input)
 			"Failed to enter standby mode: %d\n", error);
 }
 
-static const struct reg_default drv2665_init_regs[] = {
+static const struct reg_sequence drv2665_init_regs[] = {
 	{ DRV2665_CTRL_2, 0 | DRV2665_10_MS_IDLE_TOUT },
 	{ DRV2665_CTRL_1, DRV2665_25_VPP_GAIN },
 };
diff --git a/drivers/input/misc/drv2667.c b/drivers/input/misc/drv2667.c
index fc0fddf0896a..047136aa646f 100644
--- a/drivers/input/misc/drv2667.c
+++ b/drivers/input/misc/drv2667.c
@@ -262,14 +262,14 @@ static void drv2667_close(struct input_dev *input)
 			"Failed to enter standby mode: %d\n", error);
 }
 
-static const struct reg_default drv2667_init_regs[] = {
+static const struct reg_sequence drv2667_init_regs[] = {
 	{ DRV2667_CTRL_2, 0 },
 	{ DRV2667_CTRL_1, DRV2667_25_VPP_GAIN },
 	{ DRV2667_WV_SEQ_0, 1 },
 	{ DRV2667_WV_SEQ_1, 0 }
 };
 
-static const struct reg_default drv2667_page1_init[] = {
+static const struct reg_sequence drv2667_page1_init[] = {
 	{ DRV2667_RAM_HDR_SZ, 0x05 },
 	{ DRV2667_RAM_START_HI, 0x80 },
 	{ DRV2667_RAM_START_LO, 0x06 },
diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
index bebf58a06a6b..66d50be11960 100644
--- a/drivers/mfd/arizona-core.c
+++ b/drivers/mfd/arizona-core.c
@@ -392,7 +392,7 @@ err:
  * Register patch to some of the CODECs internal write sequences
  * to ensure a clean exit from the low power sleep state.
  */
-static const struct reg_default wm5110_sleep_patch[] = {
+static const struct reg_sequence wm5110_sleep_patch[] = {
 	{ 0x337A, 0xC100 },
 	{ 0x337B, 0x0041 },
 	{ 0x3300, 0xA210 },
diff --git a/drivers/mfd/twl6040.c b/drivers/mfd/twl6040.c
index c5265c1262c5..583dc33432f3 100644
--- a/drivers/mfd/twl6040.c
+++ b/drivers/mfd/twl6040.c
@@ -86,7 +86,7 @@ static const struct reg_default twl6040_defaults[] = {
 	{ 0x2E, 0x00 }, /* REG_STATUS	(ro) */
 };
 
-static struct reg_default twl6040_patch[] = {
+static struct reg_sequence twl6040_patch[] = {
 	/*
 	 * Select I2C bus access to dual access registers
 	 * Interrupt register is cleared on read
diff --git a/drivers/mfd/wm5102-tables.c b/drivers/mfd/wm5102-tables.c
index aeae6ec123b3..423fb3730dc7 100644
--- a/drivers/mfd/wm5102-tables.c
+++ b/drivers/mfd/wm5102-tables.c
@@ -21,7 +21,7 @@
 #define WM5102_NUM_AOD_ISR 2
 #define WM5102_NUM_ISR 5
 
-static const struct reg_default wm5102_reva_patch[] = {
+static const struct reg_sequence wm5102_reva_patch[] = {
 	{ 0x80, 0x0003 },
 	{ 0x221, 0x0090 },
 	{ 0x211, 0x0014 },
@@ -57,7 +57,7 @@ static const struct reg_default wm5102_reva_patch[] = {
 	{ 0x80, 0x0000 },
 };
 
-static const struct reg_default wm5102_revb_patch[] = {
+static const struct reg_sequence wm5102_revb_patch[] = {
 	{ 0x19, 0x0001 },
 	{ 0x80, 0x0003 },
 	{ 0x081, 0xE022 },
@@ -80,7 +80,7 @@ static const struct reg_default wm5102_revb_patch[] = {
 /* We use a function so we can use ARRAY_SIZE() */
 int wm5102_patch(struct arizona *arizona)
 {
-	const struct reg_default *wm5102_patch;
+	const struct reg_sequence *wm5102_patch;
 	int patch_size;
 
 	switch (arizona->rev) {
diff --git a/drivers/mfd/wm5110-tables.c b/drivers/mfd/wm5110-tables.c
index 12cad94b4035..26ce14f903fe 100644
--- a/drivers/mfd/wm5110-tables.c
+++ b/drivers/mfd/wm5110-tables.c
@@ -21,7 +21,7 @@
 #define WM5110_NUM_AOD_ISR 2
 #define WM5110_NUM_ISR 5
 
-static const struct reg_default wm5110_reva_patch[] = {
+static const struct reg_sequence wm5110_reva_patch[] = {
 	{ 0x80, 0x3 },
 	{ 0x44, 0x20 },
 	{ 0x45, 0x40 },
@@ -134,7 +134,7 @@ static const struct reg_default wm5110_reva_patch[] = {
 	{ 0x209, 0x002A },
 };
 
-static const struct reg_default wm5110_revb_patch[] = {
+static const struct reg_sequence wm5110_revb_patch[] = {
 	{ 0x80, 0x3 },
 	{ 0x36e, 0x0210 },
 	{ 0x370, 0x0210 },
@@ -224,7 +224,7 @@ static const struct reg_default wm5110_revb_patch[] = {
 	{ 0x80, 0x0 },
 };
 
-static const struct reg_default wm5110_revd_patch[] = {
+static const struct reg_sequence wm5110_revd_patch[] = {
 	{ 0x80, 0x3 },
 	{ 0x80, 0x3 },
 	{ 0x393, 0x27 },
diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c
index 53ae5af5d6e4..0f4169a3a5d4 100644
--- a/drivers/mfd/wm8994-core.c
+++ b/drivers/mfd/wm8994-core.c
@@ -243,21 +243,21 @@ static int wm8994_ldo_in_use(struct wm8994_pdata *pdata, int ldo)
 }
 #endif
 
-static const struct reg_default wm8994_revc_patch[] = {
+static const struct reg_sequence wm8994_revc_patch[] = {
 	{ 0x102, 0x3 },
 	{ 0x56, 0x3 },
 	{ 0x817, 0x0 },
 	{ 0x102, 0x0 },
 };
 
-static const struct reg_default wm8958_reva_patch[] = {
+static const struct reg_sequence wm8958_reva_patch[] = {
 	{ 0x102, 0x3 },
 	{ 0xcb, 0x81 },
 	{ 0x817, 0x0 },
 	{ 0x102, 0x0 },
 };
 
-static const struct reg_default wm1811_reva_patch[] = {
+static const struct reg_sequence wm1811_reva_patch[] = {
 	{ 0x102, 0x3 },
 	{ 0x56, 0xc07 },
 	{ 0x5d, 0x7e },
@@ -326,7 +326,7 @@ static int wm8994_device_init(struct wm8994 *wm8994, int irq)
 {
 	struct wm8994_pdata *pdata;
 	struct regmap_config *regmap_config;
-	const struct reg_default *regmap_patch = NULL;
+	const struct reg_sequence *regmap_patch = NULL;
 	const char *devname;
 	int ret, i, patch_regs = 0;
 	int pulls = 0;
diff --git a/drivers/mfd/wm8997-tables.c b/drivers/mfd/wm8997-tables.c
index c0c25d75aacc..cab2c68f1737 100644
--- a/drivers/mfd/wm8997-tables.c
+++ b/drivers/mfd/wm8997-tables.c
@@ -17,7 +17,7 @@
 
 #include "arizona.h"
 
-static const struct reg_default wm8997_reva_patch[] = {
+static const struct reg_sequence wm8997_reva_patch[] = {
 	{ 0x80, 0x0003 },
 	{ 0x214, 0x0008 },
 	{ 0x458, 0x0000 },
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 59c55ea0f0b5..c9ef2ec69142 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -50,6 +50,17 @@ struct reg_default {
 	unsigned int def;
 };
 
+/**
+ * Register/value pairs for sequences of writes
+ *
+ * @reg: Register address.
+ * @def: Register value.
+ */
+struct reg_sequence {
+	unsigned int reg;
+	unsigned int def;
+};
+
 #ifdef CONFIG_REGMAP
 
 enum regmap_endian {
@@ -410,10 +421,10 @@ int regmap_raw_write(struct regmap *map, unsigned int reg,
 		     const void *val, size_t val_len);
 int regmap_bulk_write(struct regmap *map, unsigned int reg, const void *val,
 			size_t val_count);
-int regmap_multi_reg_write(struct regmap *map, const struct reg_default *regs,
+int regmap_multi_reg_write(struct regmap *map, const struct reg_sequence *regs,
 			int num_regs);
 int regmap_multi_reg_write_bypassed(struct regmap *map,
-				    const struct reg_default *regs,
+				    const struct reg_sequence *regs,
 				    int num_regs);
 int regmap_raw_write_async(struct regmap *map, unsigned int reg,
 			   const void *val, size_t val_len);
@@ -450,7 +461,7 @@ void regcache_mark_dirty(struct regmap *map);
 bool regmap_check_range_table(struct regmap *map, unsigned int reg,
 			      const struct regmap_access_table *table);
 
-int regmap_register_patch(struct regmap *map, const struct reg_default *regs,
+int regmap_register_patch(struct regmap *map, const struct reg_sequence *regs,
 			  int num_regs);
 int regmap_parse_val(struct regmap *map, const void *buf,
 				unsigned int *val);
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index 802e05eae3e9..5edd33fcd68c 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -1366,7 +1366,7 @@ static void arizona_wm5102_set_dac_comp(struct snd_soc_codec *codec,
 {
 	struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
 	struct arizona *arizona = priv->arizona;
-	struct reg_default dac_comp[] = {
+	struct reg_sequence dac_comp[] = {
 		{ 0x80, 0x3 },
 		{ ARIZONA_DAC_COMP_1, 0 },
 		{ ARIZONA_DAC_COMP_2, 0 },
diff --git a/sound/soc/codecs/cs35l32.c b/sound/soc/codecs/cs35l32.c
index 8f40025b7e7c..2813a1b0c949 100644
--- a/sound/soc/codecs/cs35l32.c
+++ b/sound/soc/codecs/cs35l32.c
@@ -276,7 +276,7 @@ static const struct snd_soc_codec_driver soc_codec_dev_cs35l32 = {
 };
 
 /* Current and threshold powerup sequence Pg37 in datasheet */
-static const struct reg_default cs35l32_monitor_patch[] = {
+static const struct reg_sequence cs35l32_monitor_patch[] = {
 
 	{ 0x00, 0x99 },
 	{ 0x48, 0x17 },
diff --git a/sound/soc/codecs/cs42l52.c b/sound/soc/codecs/cs42l52.c
index 4de52c9957ac..8b2d05933594 100644
--- a/sound/soc/codecs/cs42l52.c
+++ b/sound/soc/codecs/cs42l52.c
@@ -1118,7 +1118,7 @@ static const struct snd_soc_codec_driver soc_codec_dev_cs42l52 = {
 };
 
 /* Current and threshold powerup sequence Pg37 */
-static const struct reg_default cs42l52_threshold_patch[] = {
+static const struct reg_sequence cs42l52_threshold_patch[] = {
 
 	{ 0x00, 0x99 },
 	{ 0x3E, 0xBA },
diff --git a/sound/soc/codecs/da7210.c b/sound/soc/codecs/da7210.c
index 21810e5f3321..bf0fb3d4df22 100644
--- a/sound/soc/codecs/da7210.c
+++ b/sound/soc/codecs/da7210.c
@@ -1182,7 +1182,7 @@ static struct snd_soc_codec_driver soc_codec_dev_da7210 = {
 
 #if IS_ENABLED(CONFIG_I2C)
 
-static struct reg_default da7210_regmap_i2c_patch[] = {
+static struct reg_sequence da7210_regmap_i2c_patch[] = {
 
 	/* System controller master disable */
 	{ DA7210_STARTUP1, 0x00 },
@@ -1269,7 +1269,7 @@ static struct i2c_driver da7210_i2c_driver = {
 
 #if defined(CONFIG_SPI_MASTER)
 
-static struct reg_default da7210_regmap_spi_patch[] = {
+static struct reg_sequence da7210_regmap_spi_patch[] = {
 	/* Dummy read to give two pulses over nCS for SPI */
 	{ DA7210_AUX2, 0x00 },
 	{ DA7210_AUX2, 0x00 },
diff --git a/sound/soc/codecs/rt5640.c b/sound/soc/codecs/rt5640.c
index 9bc78e57513d..1ed1f8895e12 100644
--- a/sound/soc/codecs/rt5640.c
+++ b/sound/soc/codecs/rt5640.c
@@ -51,7 +51,7 @@ static const struct regmap_range_cfg rt5640_ranges[] = {
 	  .window_len = 0x1, },
 };
 
-static const struct reg_default init_list[] = {
+static const struct reg_sequence init_list[] = {
 	{RT5640_PR_BASE + 0x3d,	0x3600},
 	{RT5640_PR_BASE + 0x12,	0x0aa8},
 	{RT5640_PR_BASE + 0x14,	0x0aaa},
diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index 9ce311e088fc..c0f4be430e70 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -54,7 +54,7 @@ static const struct regmap_range_cfg rt5645_ranges[] = {
 	},
 };
 
-static const struct reg_default init_list[] = {
+static const struct reg_sequence init_list[] = {
 	{RT5645_PR_BASE + 0x3d,	0x3600},
 	{RT5645_PR_BASE + 0x1c,	0xfd20},
 	{RT5645_PR_BASE + 0x20,	0x611f},
@@ -63,7 +63,7 @@ static const struct reg_default init_list[] = {
 };
 #define RT5645_INIT_REG_LEN ARRAY_SIZE(init_list)
 
-static const struct reg_default rt5650_init_list[] = {
+static const struct reg_sequence rt5650_init_list[] = {
 	{0xf6,	0x0100},
 };
 
diff --git a/sound/soc/codecs/rt5651.c b/sound/soc/codecs/rt5651.c
index a3506e193abc..db9b8667f136 100644
--- a/sound/soc/codecs/rt5651.c
+++ b/sound/soc/codecs/rt5651.c
@@ -46,7 +46,7 @@ static const struct regmap_range_cfg rt5651_ranges[] = {
 	  .window_len = 0x1, },
 };
 
-static struct reg_default init_list[] = {
+static struct reg_sequence init_list[] = {
 	{RT5651_PR_BASE + 0x3d,	0x3e00},
 };
 
diff --git a/sound/soc/codecs/rt5670.c b/sound/soc/codecs/rt5670.c
index a9123d414178..462a91f7cf68 100644
--- a/sound/soc/codecs/rt5670.c
+++ b/sound/soc/codecs/rt5670.c
@@ -51,7 +51,7 @@ static const struct regmap_range_cfg rt5670_ranges[] = {
 	  .window_len = 0x1, },
 };
 
-static const struct reg_default init_list[] = {
+static const struct reg_sequence init_list[] = {
 	{ RT5670_PR_BASE + 0x14, 0x9a8a },
 	{ RT5670_PR_BASE + 0x38, 0x3ba1 },
 	{ RT5670_PR_BASE + 0x3d, 0x3640 },
diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c
index 31d969ac1192..b89775251470 100644
--- a/sound/soc/codecs/rt5677.c
+++ b/sound/soc/codecs/rt5677.c
@@ -54,7 +54,7 @@ static const struct regmap_range_cfg rt5677_ranges[] = {
 	},
 };
 
-static const struct reg_default init_list[] = {
+static const struct reg_sequence init_list[] = {
 	{RT5677_ASRC_12,	0x0018},
 	{RT5677_PR_BASE + 0x3d,	0x364d},
 	{RT5677_PR_BASE + 0x17,	0x4fc0},
diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c
index a7cf19b53fb2..83ae1eb44d4f 100644
--- a/sound/soc/codecs/tlv320aic3x.c
+++ b/sound/soc/codecs/tlv320aic3x.c
@@ -1668,7 +1668,7 @@ static const struct i2c_device_id aic3x_i2c_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, aic3x_i2c_id);
 
-static const struct reg_default aic3007_class_d[] = {
+static const struct reg_sequence aic3007_class_d[] = {
 	/* Class-D speaker driver init; datasheet p. 46 */
 	{ AIC3X_PAGE_SELECT, 0x0D },
 	{ 0xD, 0x0D },
diff --git a/sound/soc/codecs/wm2200.c b/sound/soc/codecs/wm2200.c
index c83083285e53..6c607928fb9b 100644
--- a/sound/soc/codecs/wm2200.c
+++ b/sound/soc/codecs/wm2200.c
@@ -897,7 +897,7 @@ static bool wm2200_readable_register(struct device *dev, unsigned int reg)
 	}
 }
 
-static const struct reg_default wm2200_reva_patch[] = {
+static const struct reg_sequence wm2200_reva_patch[] = {
 	{ 0x07, 0x0003 },
 	{ 0x102, 0x0200 },
 	{ 0x203, 0x0084 },
diff --git a/sound/soc/codecs/wm5100.c b/sound/soc/codecs/wm5100.c
index 4c10cd88c1af..26d79bbb7599 100644
--- a/sound/soc/codecs/wm5100.c
+++ b/sound/soc/codecs/wm5100.c
@@ -1247,7 +1247,7 @@ static const struct snd_soc_dapm_route wm5100_dapm_routes[] = {
 	{ "PWM2", NULL, "PWM2 Driver" },
 };
 
-static const struct reg_default wm5100_reva_patches[] = {
+static const struct reg_sequence wm5100_reva_patches[] = {
 	{ WM5100_AUDIO_IF_1_10, 0 },
 	{ WM5100_AUDIO_IF_1_11, 1 },
 	{ WM5100_AUDIO_IF_1_12, 2 },
diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index c5748fd4f296..05492e826aea 100644
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -3495,7 +3495,7 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8962 = {
 };
 
 /* Improve power consumption for IN4 DC measurement mode */
-static const struct reg_default wm8962_dc_measure[] = {
+static const struct reg_sequence wm8962_dc_measure[] = {
 	{ 0xfd, 0x1 },
 	{ 0xcc, 0x40 },
 	{ 0xfd, 0 },
diff --git a/sound/soc/codecs/wm8993.c b/sound/soc/codecs/wm8993.c
index 8a8db8605dc2..52ec64d8502d 100644
--- a/sound/soc/codecs/wm8993.c
+++ b/sound/soc/codecs/wm8993.c
@@ -1595,7 +1595,7 @@ static int wm8993_resume(struct snd_soc_codec *codec)
 #endif
 
 /* Tune DC servo configuration */
-static struct reg_default wm8993_regmap_patch[] = {
+static struct reg_sequence wm8993_regmap_patch[] = {
 	{ 0x44, 3 },
 	{ 0x56, 3 },
 	{ 0x44, 0 },
-- 
2.1.4

Applied "regmap: Use reg_sequence for multi_reg_write / register_patch" to the asoc tree

[Mark Brown]

The patch

   regmap: Use reg_sequence for multi_reg_write / register_patch

has been applied to the asoc tree at

   git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git 

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.  

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark

>From 8019ff6cfc0440415fcfb6352c58c3951e6ab053 Mon Sep 17 00:00:00 2001
From: Nariman Poushin <nariman@opensource.wolfsonmicro.com>
Date: Thu, 16 Jul 2015 16:36:21 +0100
Subject: [PATCH] regmap: Use reg_sequence for multi_reg_write / register_patch

Separate the functionality using sequences of register writes from the
functions that take register defaults. This change renames the arguments
in order to support the extension of reg_sequence to take an optional
delay to be applied after any given register in a sequence is written.
This avoids adding an int to all register defaults, which could
substantially increase memory usage for regmaps with large default tables.

This also updates all the clients of multi_reg_write/register_patch.

Signed-off-by: Nariman Poushin <nariman@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---
 drivers/base/regmap/internal.h |  2 +-
 drivers/base/regmap/regmap.c   | 22 +++++++++++-----------
 drivers/gpu/drm/i2c/adv7511.c  |  2 +-
 drivers/input/misc/drv260x.c   |  6 +++---
 drivers/input/misc/drv2665.c   |  2 +-
 drivers/input/misc/drv2667.c   |  4 ++--
 drivers/mfd/arizona-core.c     |  2 +-
 drivers/mfd/twl6040.c          |  2 +-
 drivers/mfd/wm5102-tables.c    |  6 +++---
 drivers/mfd/wm5110-tables.c    |  6 +++---
 drivers/mfd/wm8994-core.c      |  8 ++++----
 drivers/mfd/wm8997-tables.c    |  2 +-
 include/linux/regmap.h         | 17 ++++++++++++++---
 sound/soc/codecs/arizona.c     |  2 +-
 sound/soc/codecs/cs35l32.c     |  2 +-
 sound/soc/codecs/cs42l52.c     |  2 +-
 sound/soc/codecs/da7210.c      |  4 ++--
 sound/soc/codecs/rt5640.c      |  2 +-
 sound/soc/codecs/rt5645.c      |  4 ++--
 sound/soc/codecs/rt5651.c      |  2 +-
 sound/soc/codecs/rt5670.c      |  2 +-
 sound/soc/codecs/rt5677.c      |  2 +-
 sound/soc/codecs/tlv320aic3x.c |  2 +-
 sound/soc/codecs/wm2200.c      |  2 +-
 sound/soc/codecs/wm5100.c      |  2 +-
 sound/soc/codecs/wm8962.c      |  2 +-
 sound/soc/codecs/wm8993.c      |  2 +-
 27 files changed, 62 insertions(+), 51 deletions(-)

diff --git a/drivers/base/regmap/internal.h b/drivers/base/regmap/internal.h
index b2b2849fc6d3..873ddf91c9d3 100644
--- a/drivers/base/regmap/internal.h
+++ b/drivers/base/regmap/internal.h
@@ -136,7 +136,7 @@ struct regmap {
 	/* if set, the HW registers are known to match map->reg_defaults */
 	bool no_sync_defaults;
 
-	struct reg_default *patch;
+	struct reg_sequence *patch;
 	int patch_regs;
 
 	/* if set, converts bulk rw to single rw */
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 7111d04f2621..2cbb4502747d 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -1743,7 +1743,7 @@ EXPORT_SYMBOL_GPL(regmap_bulk_write);
  * relative. The page register has been written if that was neccessary.
  */
 static int _regmap_raw_multi_reg_write(struct regmap *map,
-				       const struct reg_default *regs,
+				       const struct reg_sequence *regs,
 				       size_t num_regs)
 {
 	int ret;
@@ -1800,12 +1800,12 @@ static unsigned int _regmap_register_page(struct regmap *map,
 }
 
 static int _regmap_range_multi_paged_reg_write(struct regmap *map,
-					       struct reg_default *regs,
+					       struct reg_sequence *regs,
 					       size_t num_regs)
 {
 	int ret;
 	int i, n;
-	struct reg_default *base;
+	struct reg_sequence *base;
 	unsigned int this_page = 0;
 	/*
 	 * the set of registers are not neccessarily in order, but
@@ -1843,7 +1843,7 @@ static int _regmap_range_multi_paged_reg_write(struct regmap *map,
 }
 
 static int _regmap_multi_reg_write(struct regmap *map,
-				   const struct reg_default *regs,
+				   const struct reg_sequence *regs,
 				   size_t num_regs)
 {
 	int i;
@@ -1895,8 +1895,8 @@ static int _regmap_multi_reg_write(struct regmap *map,
 		struct regmap_range_node *range;
 		range = _regmap_range_lookup(map, reg);
 		if (range) {
-			size_t len = sizeof(struct reg_default)*num_regs;
-			struct reg_default *base = kmemdup(regs, len,
+			size_t len = sizeof(struct reg_sequence)*num_regs;
+			struct reg_sequence *base = kmemdup(regs, len,
 							   GFP_KERNEL);
 			if (!base)
 				return -ENOMEM;
@@ -1929,7 +1929,7 @@ static int _regmap_multi_reg_write(struct regmap *map,
  * A value of zero will be returned on success, a negative errno will be
  * returned in error cases.
  */
-int regmap_multi_reg_write(struct regmap *map, const struct reg_default *regs,
+int regmap_multi_reg_write(struct regmap *map, const struct reg_sequence *regs,
 			   int num_regs)
 {
 	int ret;
@@ -1962,7 +1962,7 @@ EXPORT_SYMBOL_GPL(regmap_multi_reg_write);
  * be returned in error cases.
  */
 int regmap_multi_reg_write_bypassed(struct regmap *map,
-				    const struct reg_default *regs,
+				    const struct reg_sequence *regs,
 				    int num_regs)
 {
 	int ret;
@@ -2552,10 +2552,10 @@ EXPORT_SYMBOL_GPL(regmap_async_complete);
  * The caller must ensure that this function cannot be called
  * concurrently with either itself or regcache_sync().
  */
-int regmap_register_patch(struct regmap *map, const struct reg_default *regs,
+int regmap_register_patch(struct regmap *map, const struct reg_sequence *regs,
 			  int num_regs)
 {
-	struct reg_default *p;
+	struct reg_sequence *p;
 	int ret;
 	bool bypass;
 
@@ -2564,7 +2564,7 @@ int regmap_register_patch(struct regmap *map, const struct reg_default *regs,
 		return 0;
 
 	p = krealloc(map->patch,
-		     sizeof(struct reg_default) * (map->patch_regs + num_regs),
+		     sizeof(struct reg_sequence) * (map->patch_regs + num_regs),
 		     GFP_KERNEL);
 	if (p) {
 		memcpy(p + map->patch_regs, regs, num_regs * sizeof(*regs));
diff --git a/drivers/gpu/drm/i2c/adv7511.c b/drivers/gpu/drm/i2c/adv7511.c
index 2aaa3c88999e..00416f23b5cb 100644
--- a/drivers/gpu/drm/i2c/adv7511.c
+++ b/drivers/gpu/drm/i2c/adv7511.c
@@ -54,7 +54,7 @@ static struct adv7511 *encoder_to_adv7511(struct drm_encoder *encoder)
 }
 
 /* ADI recommended values for proper operation. */
-static const struct reg_default adv7511_fixed_registers[] = {
+static const struct reg_sequence adv7511_fixed_registers[] = {
 	{ 0x98, 0x03 },
 	{ 0x9a, 0xe0 },
 	{ 0x9c, 0x30 },
diff --git a/drivers/input/misc/drv260x.c b/drivers/input/misc/drv260x.c
index e5d60ecd29a4..f5c9cf2f4073 100644
--- a/drivers/input/misc/drv260x.c
+++ b/drivers/input/misc/drv260x.c
@@ -313,14 +313,14 @@ static void drv260x_close(struct input_dev *input)
 	gpiod_set_value(haptics->enable_gpio, 0);
 }
 
-static const struct reg_default drv260x_lra_cal_regs[] = {
+static const struct reg_sequence drv260x_lra_cal_regs[] = {
 	{ DRV260X_MODE, DRV260X_AUTO_CAL },
 	{ DRV260X_CTRL3, DRV260X_NG_THRESH_2 },
 	{ DRV260X_FEEDBACK_CTRL, DRV260X_FB_REG_LRA_MODE |
 		DRV260X_BRAKE_FACTOR_4X | DRV260X_LOOP_GAIN_HIGH },
 };
 
-static const struct reg_default drv260x_lra_init_regs[] = {
+static const struct reg_sequence drv260x_lra_init_regs[] = {
 	{ DRV260X_MODE, DRV260X_RT_PLAYBACK },
 	{ DRV260X_A_TO_V_CTRL, DRV260X_AUDIO_HAPTICS_PEAK_20MS |
 		DRV260X_AUDIO_HAPTICS_FILTER_125HZ },
@@ -337,7 +337,7 @@ static const struct reg_default drv260x_lra_init_regs[] = {
 	{ DRV260X_CTRL4, DRV260X_AUTOCAL_TIME_500MS },
 };
 
-static const struct reg_default drv260x_erm_cal_regs[] = {
+static const struct reg_sequence drv260x_erm_cal_regs[] = {
 	{ DRV260X_MODE, DRV260X_AUTO_CAL },
 	{ DRV260X_A_TO_V_MIN_INPUT, DRV260X_AUDIO_HAPTICS_MIN_IN_VOLT },
 	{ DRV260X_A_TO_V_MAX_INPUT, DRV260X_AUDIO_HAPTICS_MAX_IN_VOLT },
diff --git a/drivers/input/misc/drv2665.c b/drivers/input/misc/drv2665.c
index 0afaa33de07d..924456e3ca75 100644
--- a/drivers/input/misc/drv2665.c
+++ b/drivers/input/misc/drv2665.c
@@ -132,7 +132,7 @@ static void drv2665_close(struct input_dev *input)
 			"Failed to enter standby mode: %d\n", error);
 }
 
-static const struct reg_default drv2665_init_regs[] = {
+static const struct reg_sequence drv2665_init_regs[] = {
 	{ DRV2665_CTRL_2, 0 | DRV2665_10_MS_IDLE_TOUT },
 	{ DRV2665_CTRL_1, DRV2665_25_VPP_GAIN },
 };
diff --git a/drivers/input/misc/drv2667.c b/drivers/input/misc/drv2667.c
index fc0fddf0896a..047136aa646f 100644
--- a/drivers/input/misc/drv2667.c
+++ b/drivers/input/misc/drv2667.c
@@ -262,14 +262,14 @@ static void drv2667_close(struct input_dev *input)
 			"Failed to enter standby mode: %d\n", error);
 }
 
-static const struct reg_default drv2667_init_regs[] = {
+static const struct reg_sequence drv2667_init_regs[] = {
 	{ DRV2667_CTRL_2, 0 },
 	{ DRV2667_CTRL_1, DRV2667_25_VPP_GAIN },
 	{ DRV2667_WV_SEQ_0, 1 },
 	{ DRV2667_WV_SEQ_1, 0 }
 };
 
-static const struct reg_default drv2667_page1_init[] = {
+static const struct reg_sequence drv2667_page1_init[] = {
 	{ DRV2667_RAM_HDR_SZ, 0x05 },
 	{ DRV2667_RAM_START_HI, 0x80 },
 	{ DRV2667_RAM_START_LO, 0x06 },
diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
index bebf58a06a6b..66d50be11960 100644
--- a/drivers/mfd/arizona-core.c
+++ b/drivers/mfd/arizona-core.c
@@ -392,7 +392,7 @@ err:
  * Register patch to some of the CODECs internal write sequences
  * to ensure a clean exit from the low power sleep state.
  */
-static const struct reg_default wm5110_sleep_patch[] = {
+static const struct reg_sequence wm5110_sleep_patch[] = {
 	{ 0x337A, 0xC100 },
 	{ 0x337B, 0x0041 },
 	{ 0x3300, 0xA210 },
diff --git a/drivers/mfd/twl6040.c b/drivers/mfd/twl6040.c
index c5265c1262c5..583dc33432f3 100644
--- a/drivers/mfd/twl6040.c
+++ b/drivers/mfd/twl6040.c
@@ -86,7 +86,7 @@ static const struct reg_default twl6040_defaults[] = {
 	{ 0x2E, 0x00 }, /* REG_STATUS	(ro) */
 };
 
-static struct reg_default twl6040_patch[] = {
+static struct reg_sequence twl6040_patch[] = {
 	/*
 	 * Select I2C bus access to dual access registers
 	 * Interrupt register is cleared on read
diff --git a/drivers/mfd/wm5102-tables.c b/drivers/mfd/wm5102-tables.c
index aeae6ec123b3..423fb3730dc7 100644
--- a/drivers/mfd/wm5102-tables.c
+++ b/drivers/mfd/wm5102-tables.c
@@ -21,7 +21,7 @@
 #define WM5102_NUM_AOD_ISR 2
 #define WM5102_NUM_ISR 5
 
-static const struct reg_default wm5102_reva_patch[] = {
+static const struct reg_sequence wm5102_reva_patch[] = {
 	{ 0x80, 0x0003 },
 	{ 0x221, 0x0090 },
 	{ 0x211, 0x0014 },
@@ -57,7 +57,7 @@ static const struct reg_default wm5102_reva_patch[] = {
 	{ 0x80, 0x0000 },
 };
 
-static const struct reg_default wm5102_revb_patch[] = {
+static const struct reg_sequence wm5102_revb_patch[] = {
 	{ 0x19, 0x0001 },
 	{ 0x80, 0x0003 },
 	{ 0x081, 0xE022 },
@@ -80,7 +80,7 @@ static const struct reg_default wm5102_revb_patch[] = {
 /* We use a function so we can use ARRAY_SIZE() */
 int wm5102_patch(struct arizona *arizona)
 {
-	const struct reg_default *wm5102_patch;
+	const struct reg_sequence *wm5102_patch;
 	int patch_size;
 
 	switch (arizona->rev) {
diff --git a/drivers/mfd/wm5110-tables.c b/drivers/mfd/wm5110-tables.c
index 12cad94b4035..26ce14f903fe 100644
--- a/drivers/mfd/wm5110-tables.c
+++ b/drivers/mfd/wm5110-tables.c
@@ -21,7 +21,7 @@
 #define WM5110_NUM_AOD_ISR 2
 #define WM5110_NUM_ISR 5
 
-static const struct reg_default wm5110_reva_patch[] = {
+static const struct reg_sequence wm5110_reva_patch[] = {
 	{ 0x80, 0x3 },
 	{ 0x44, 0x20 },
 	{ 0x45, 0x40 },
@@ -134,7 +134,7 @@ static const struct reg_default wm5110_reva_patch[] = {
 	{ 0x209, 0x002A },
 };
 
-static const struct reg_default wm5110_revb_patch[] = {
+static const struct reg_sequence wm5110_revb_patch[] = {
 	{ 0x80, 0x3 },
 	{ 0x36e, 0x0210 },
 	{ 0x370, 0x0210 },
@@ -224,7 +224,7 @@ static const struct reg_default wm5110_revb_patch[] = {
 	{ 0x80, 0x0 },
 };
 
-static const struct reg_default wm5110_revd_patch[] = {
+static const struct reg_sequence wm5110_revd_patch[] = {
 	{ 0x80, 0x3 },
 	{ 0x80, 0x3 },
 	{ 0x393, 0x27 },
diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c
index 53ae5af5d6e4..0f4169a3a5d4 100644
--- a/drivers/mfd/wm8994-core.c
+++ b/drivers/mfd/wm8994-core.c
@@ -243,21 +243,21 @@ static int wm8994_ldo_in_use(struct wm8994_pdata *pdata, int ldo)
 }
 #endif
 
-static const struct reg_default wm8994_revc_patch[] = {
+static const struct reg_sequence wm8994_revc_patch[] = {
 	{ 0x102, 0x3 },
 	{ 0x56, 0x3 },
 	{ 0x817, 0x0 },
 	{ 0x102, 0x0 },
 };
 
-static const struct reg_default wm8958_reva_patch[] = {
+static const struct reg_sequence wm8958_reva_patch[] = {
 	{ 0x102, 0x3 },
 	{ 0xcb, 0x81 },
 	{ 0x817, 0x0 },
 	{ 0x102, 0x0 },
 };
 
-static const struct reg_default wm1811_reva_patch[] = {
+static const struct reg_sequence wm1811_reva_patch[] = {
 	{ 0x102, 0x3 },
 	{ 0x56, 0xc07 },
 	{ 0x5d, 0x7e },
@@ -326,7 +326,7 @@ static int wm8994_device_init(struct wm8994 *wm8994, int irq)
 {
 	struct wm8994_pdata *pdata;
 	struct regmap_config *regmap_config;
-	const struct reg_default *regmap_patch = NULL;
+	const struct reg_sequence *regmap_patch = NULL;
 	const char *devname;
 	int ret, i, patch_regs = 0;
 	int pulls = 0;
diff --git a/drivers/mfd/wm8997-tables.c b/drivers/mfd/wm8997-tables.c
index c0c25d75aacc..cab2c68f1737 100644
--- a/drivers/mfd/wm8997-tables.c
+++ b/drivers/mfd/wm8997-tables.c
@@ -17,7 +17,7 @@
 
 #include "arizona.h"
 
-static const struct reg_default wm8997_reva_patch[] = {
+static const struct reg_sequence wm8997_reva_patch[] = {
 	{ 0x80, 0x0003 },
 	{ 0x214, 0x0008 },
 	{ 0x458, 0x0000 },
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 59c55ea0f0b5..c9ef2ec69142 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -50,6 +50,17 @@ struct reg_default {
 	unsigned int def;
 };
 
+/**
+ * Register/value pairs for sequences of writes
+ *
+ * @reg: Register address.
+ * @def: Register value.
+ */
+struct reg_sequence {
+	unsigned int reg;
+	unsigned int def;
+};
+
 #ifdef CONFIG_REGMAP
 
 enum regmap_endian {
@@ -410,10 +421,10 @@ int regmap_raw_write(struct regmap *map, unsigned int reg,
 		     const void *val, size_t val_len);
 int regmap_bulk_write(struct regmap *map, unsigned int reg, const void *val,
 			size_t val_count);
-int regmap_multi_reg_write(struct regmap *map, const struct reg_default *regs,
+int regmap_multi_reg_write(struct regmap *map, const struct reg_sequence *regs,
 			int num_regs);
 int regmap_multi_reg_write_bypassed(struct regmap *map,
-				    const struct reg_default *regs,
+				    const struct reg_sequence *regs,
 				    int num_regs);
 int regmap_raw_write_async(struct regmap *map, unsigned int reg,
 			   const void *val, size_t val_len);
@@ -450,7 +461,7 @@ void regcache_mark_dirty(struct regmap *map);
 bool regmap_check_range_table(struct regmap *map, unsigned int reg,
 			      const struct regmap_access_table *table);
 
-int regmap_register_patch(struct regmap *map, const struct reg_default *regs,
+int regmap_register_patch(struct regmap *map, const struct reg_sequence *regs,
 			  int num_regs);
 int regmap_parse_val(struct regmap *map, const void *buf,
 				unsigned int *val);
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index 802e05eae3e9..5edd33fcd68c 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -1366,7 +1366,7 @@ static void arizona_wm5102_set_dac_comp(struct snd_soc_codec *codec,
 {
 	struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
 	struct arizona *arizona = priv->arizona;
-	struct reg_default dac_comp[] = {
+	struct reg_sequence dac_comp[] = {
 		{ 0x80, 0x3 },
 		{ ARIZONA_DAC_COMP_1, 0 },
 		{ ARIZONA_DAC_COMP_2, 0 },
diff --git a/sound/soc/codecs/cs35l32.c b/sound/soc/codecs/cs35l32.c
index 8f40025b7e7c..2813a1b0c949 100644
--- a/sound/soc/codecs/cs35l32.c
+++ b/sound/soc/codecs/cs35l32.c
@@ -276,7 +276,7 @@ static const struct snd_soc_codec_driver soc_codec_dev_cs35l32 = {
 };
 
 /* Current and threshold powerup sequence Pg37 in datasheet */
-static const struct reg_default cs35l32_monitor_patch[] = {
+static const struct reg_sequence cs35l32_monitor_patch[] = {
 
 	{ 0x00, 0x99 },
 	{ 0x48, 0x17 },
diff --git a/sound/soc/codecs/cs42l52.c b/sound/soc/codecs/cs42l52.c
index 4de52c9957ac..8b2d05933594 100644
--- a/sound/soc/codecs/cs42l52.c
+++ b/sound/soc/codecs/cs42l52.c
@@ -1118,7 +1118,7 @@ static const struct snd_soc_codec_driver soc_codec_dev_cs42l52 = {
 };
 
 /* Current and threshold powerup sequence Pg37 */
-static const struct reg_default cs42l52_threshold_patch[] = {
+static const struct reg_sequence cs42l52_threshold_patch[] = {
 
 	{ 0x00, 0x99 },
 	{ 0x3E, 0xBA },
diff --git a/sound/soc/codecs/da7210.c b/sound/soc/codecs/da7210.c
index 21810e5f3321..bf0fb3d4df22 100644
--- a/sound/soc/codecs/da7210.c
+++ b/sound/soc/codecs/da7210.c
@@ -1182,7 +1182,7 @@ static struct snd_soc_codec_driver soc_codec_dev_da7210 = {
 
 #if IS_ENABLED(CONFIG_I2C)
 
-static struct reg_default da7210_regmap_i2c_patch[] = {
+static struct reg_sequence da7210_regmap_i2c_patch[] = {
 
 	/* System controller master disable */
 	{ DA7210_STARTUP1, 0x00 },
@@ -1269,7 +1269,7 @@ static struct i2c_driver da7210_i2c_driver = {
 
 #if defined(CONFIG_SPI_MASTER)
 
-static struct reg_default da7210_regmap_spi_patch[] = {
+static struct reg_sequence da7210_regmap_spi_patch[] = {
 	/* Dummy read to give two pulses over nCS for SPI */
 	{ DA7210_AUX2, 0x00 },
 	{ DA7210_AUX2, 0x00 },
diff --git a/sound/soc/codecs/rt5640.c b/sound/soc/codecs/rt5640.c
index 9bc78e57513d..1ed1f8895e12 100644
--- a/sound/soc/codecs/rt5640.c
+++ b/sound/soc/codecs/rt5640.c
@@ -51,7 +51,7 @@ static const struct regmap_range_cfg rt5640_ranges[] = {
 	  .window_len = 0x1, },
 };
 
-static const struct reg_default init_list[] = {
+static const struct reg_sequence init_list[] = {
 	{RT5640_PR_BASE + 0x3d,	0x3600},
 	{RT5640_PR_BASE + 0x12,	0x0aa8},
 	{RT5640_PR_BASE + 0x14,	0x0aaa},
diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index 9ce311e088fc..c0f4be430e70 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -54,7 +54,7 @@ static const struct regmap_range_cfg rt5645_ranges[] = {
 	},
 };
 
-static const struct reg_default init_list[] = {
+static const struct reg_sequence init_list[] = {
 	{RT5645_PR_BASE + 0x3d,	0x3600},
 	{RT5645_PR_BASE + 0x1c,	0xfd20},
 	{RT5645_PR_BASE + 0x20,	0x611f},
@@ -63,7 +63,7 @@ static const struct reg_default init_list[] = {
 };
 #define RT5645_INIT_REG_LEN ARRAY_SIZE(init_list)
 
-static const struct reg_default rt5650_init_list[] = {
+static const struct reg_sequence rt5650_init_list[] = {
 	{0xf6,	0x0100},
 };
 
diff --git a/sound/soc/codecs/rt5651.c b/sound/soc/codecs/rt5651.c
index a3506e193abc..db9b8667f136 100644
--- a/sound/soc/codecs/rt5651.c
+++ b/sound/soc/codecs/rt5651.c
@@ -46,7 +46,7 @@ static const struct regmap_range_cfg rt5651_ranges[] = {
 	  .window_len = 0x1, },
 };
 
-static struct reg_default init_list[] = {
+static struct reg_sequence init_list[] = {
 	{RT5651_PR_BASE + 0x3d,	0x3e00},
 };
 
diff --git a/sound/soc/codecs/rt5670.c b/sound/soc/codecs/rt5670.c
index a9123d414178..462a91f7cf68 100644
--- a/sound/soc/codecs/rt5670.c
+++ b/sound/soc/codecs/rt5670.c
@@ -51,7 +51,7 @@ static const struct regmap_range_cfg rt5670_ranges[] = {
 	  .window_len = 0x1, },
 };
 
-static const struct reg_default init_list[] = {
+static const struct reg_sequence init_list[] = {
 	{ RT5670_PR_BASE + 0x14, 0x9a8a },
 	{ RT5670_PR_BASE + 0x38, 0x3ba1 },
 	{ RT5670_PR_BASE + 0x3d, 0x3640 },
diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c
index 31d969ac1192..b89775251470 100644
--- a/sound/soc/codecs/rt5677.c
+++ b/sound/soc/codecs/rt5677.c
@@ -54,7 +54,7 @@ static const struct regmap_range_cfg rt5677_ranges[] = {
 	},
 };
 
-static const struct reg_default init_list[] = {
+static const struct reg_sequence init_list[] = {
 	{RT5677_ASRC_12,	0x0018},
 	{RT5677_PR_BASE + 0x3d,	0x364d},
 	{RT5677_PR_BASE + 0x17,	0x4fc0},
diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c
index a7cf19b53fb2..83ae1eb44d4f 100644
--- a/sound/soc/codecs/tlv320aic3x.c
+++ b/sound/soc/codecs/tlv320aic3x.c
@@ -1668,7 +1668,7 @@ static const struct i2c_device_id aic3x_i2c_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, aic3x_i2c_id);
 
-static const struct reg_default aic3007_class_d[] = {
+static const struct reg_sequence aic3007_class_d[] = {
 	/* Class-D speaker driver init; datasheet p. 46 */
 	{ AIC3X_PAGE_SELECT, 0x0D },
 	{ 0xD, 0x0D },
diff --git a/sound/soc/codecs/wm2200.c b/sound/soc/codecs/wm2200.c
index c83083285e53..6c607928fb9b 100644
--- a/sound/soc/codecs/wm2200.c
+++ b/sound/soc/codecs/wm2200.c
@@ -897,7 +897,7 @@ static bool wm2200_readable_register(struct device *dev, unsigned int reg)
 	}
 }
 
-static const struct reg_default wm2200_reva_patch[] = {
+static const struct reg_sequence wm2200_reva_patch[] = {
 	{ 0x07, 0x0003 },
 	{ 0x102, 0x0200 },
 	{ 0x203, 0x0084 },
diff --git a/sound/soc/codecs/wm5100.c b/sound/soc/codecs/wm5100.c
index 4c10cd88c1af..26d79bbb7599 100644
--- a/sound/soc/codecs/wm5100.c
+++ b/sound/soc/codecs/wm5100.c
@@ -1247,7 +1247,7 @@ static const struct snd_soc_dapm_route wm5100_dapm_routes[] = {
 	{ "PWM2", NULL, "PWM2 Driver" },
 };
 
-static const struct reg_default wm5100_reva_patches[] = {
+static const struct reg_sequence wm5100_reva_patches[] = {
 	{ WM5100_AUDIO_IF_1_10, 0 },
 	{ WM5100_AUDIO_IF_1_11, 1 },
 	{ WM5100_AUDIO_IF_1_12, 2 },
diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index c5748fd4f296..05492e826aea 100644
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -3495,7 +3495,7 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8962 = {
 };
 
 /* Improve power consumption for IN4 DC measurement mode */
-static const struct reg_default wm8962_dc_measure[] = {
+static const struct reg_sequence wm8962_dc_measure[] = {
 	{ 0xfd, 0x1 },
 	{ 0xcc, 0x40 },
 	{ 0xfd, 0 },
diff --git a/sound/soc/codecs/wm8993.c b/sound/soc/codecs/wm8993.c
index 8a8db8605dc2..52ec64d8502d 100644
--- a/sound/soc/codecs/wm8993.c
+++ b/sound/soc/codecs/wm8993.c
@@ -1595,7 +1595,7 @@ static int wm8993_resume(struct snd_soc_codec *codec)
 #endif
 
 /* Tune DC servo configuration */
-static struct reg_default wm8993_regmap_patch[] = {
+static struct reg_sequence wm8993_regmap_patch[] = {
 	{ 0x44, 3 },
 	{ 0x56, 3 },
 	{ 0x44, 0 },
-- 
2.1.4