From: codekipper@gmail.com
To: maxime.ripard@free-electrons.com, wens@csie.org,
linux-sunxi@googlegroups.com
Cc: linux-arm-kernel@lists.infradead.org, lgirdwood@gmail.com,
broonie@kernel.org, linux-kernel@vger.kernel.org,
alsa-devel@alsa-project.org, be17068@iperbole.bo.it,
Marcus Cooper <codekipper@gmail.com>
Subject: [PATCH v4 9/9] ASoC: sun4i-i2s: Adjust regmap settings
Date: Mon, 3 Jun 2019 19:47:35 +0200 [thread overview]
Message-ID: <20190603174735.21002-10-codekipper@gmail.com> (raw)
In-Reply-To: <20190603174735.21002-1-codekipper@gmail.com>
From: Marcus Cooper <codekipper@gmail.com>
Bypass the regmap cache when flushing the i2s FIFOs and modify the tables
to reflect this.
Signed-off-by: Marcus Cooper <codekipper@gmail.com>
---
sound/soc/sunxi/sun4i-i2s.c | 29 +++++++++--------------------
1 file changed, 9 insertions(+), 20 deletions(-)
diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c
index 351b8021173b..92828a84902d 100644
--- a/sound/soc/sunxi/sun4i-i2s.c
+++ b/sound/soc/sunxi/sun4i-i2s.c
@@ -595,9 +595,11 @@ static int sun4i_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
static void sun4i_i2s_start_capture(struct sun4i_i2s *i2s)
{
/* Flush RX FIFO */
+ regcache_cache_bypass(i2s->regmap, true);
regmap_update_bits(i2s->regmap, SUN4I_I2S_FIFO_CTRL_REG,
SUN4I_I2S_FIFO_CTRL_FLUSH_RX,
SUN4I_I2S_FIFO_CTRL_FLUSH_RX);
+ regcache_cache_bypass(i2s->regmap, false);
/* Clear RX counter */
regmap_write(i2s->regmap, SUN4I_I2S_RX_CNT_REG, 0);
@@ -616,9 +618,11 @@ static void sun4i_i2s_start_capture(struct sun4i_i2s *i2s)
static void sun4i_i2s_start_playback(struct sun4i_i2s *i2s)
{
/* Flush TX FIFO */
+ regcache_cache_bypass(i2s->regmap, true);
regmap_update_bits(i2s->regmap, SUN4I_I2S_FIFO_CTRL_REG,
SUN4I_I2S_FIFO_CTRL_FLUSH_TX,
SUN4I_I2S_FIFO_CTRL_FLUSH_TX);
+ regcache_cache_bypass(i2s->regmap, false);
/* Clear TX counter */
regmap_write(i2s->regmap, SUN4I_I2S_TX_CNT_REG, 0);
@@ -771,13 +775,7 @@ static const struct snd_soc_component_driver sun4i_i2s_component = {
static bool sun4i_i2s_rd_reg(struct device *dev, unsigned int reg)
{
- switch (reg) {
- case SUN4I_I2S_FIFO_TX_REG:
- return false;
-
- default:
- return true;
- }
+ return true;
}
static bool sun4i_i2s_wr_reg(struct device *dev, unsigned int reg)
@@ -796,6 +794,8 @@ static bool sun4i_i2s_volatile_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
case SUN4I_I2S_FIFO_RX_REG:
+ case SUN4I_I2S_FIFO_TX_REG:
+ case SUN4I_I2S_FIFO_STA_REG:
case SUN4I_I2S_INT_STA_REG:
case SUN4I_I2S_RX_CNT_REG:
case SUN4I_I2S_TX_CNT_REG:
@@ -806,23 +806,12 @@ static bool sun4i_i2s_volatile_reg(struct device *dev, unsigned int reg)
}
}
-static bool sun8i_i2s_rd_reg(struct device *dev, unsigned int reg)
-{
- switch (reg) {
- case SUN8I_I2S_FIFO_TX_REG:
- return false;
-
- default:
- return true;
- }
-}
-
static bool sun8i_i2s_volatile_reg(struct device *dev, unsigned int reg)
{
if (reg == SUN8I_I2S_INT_STA_REG)
return true;
if (reg == SUN8I_I2S_FIFO_TX_REG)
- return false;
+ return true;
return sun4i_i2s_volatile_reg(dev, reg);
}
@@ -877,7 +866,7 @@ static const struct regmap_config sun8i_i2s_regmap_config = {
.reg_defaults = sun8i_i2s_reg_defaults,
.num_reg_defaults = ARRAY_SIZE(sun8i_i2s_reg_defaults),
.writeable_reg = sun4i_i2s_wr_reg,
- .readable_reg = sun8i_i2s_rd_reg,
+ .readable_reg = sun4i_i2s_rd_reg,
.volatile_reg = sun8i_i2s_volatile_reg,
};
--
2.21.0
next prev parent reply other threads:[~2019-06-03 17:47 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-03 17:47 [PATCH v4 0/9]ASoC: sun4i-i2s: Updates to the driver codekipper
2019-06-03 17:47 ` [PATCH v4 1/9] ASoC: sun4i-i2s: Fix sun8i tx channel offset mask codekipper
2019-06-04 7:34 ` Maxime Ripard
2019-06-04 7:38 ` [linux-sunxi] " Chen-Yu Tsai
2019-06-04 8:15 ` Code Kipper
2019-06-04 14:58 ` Applied "ASoC: sun4i-i2s: Fix sun8i tx channel offset mask" to the asoc tree Mark Brown
2019-06-03 17:47 ` [PATCH v4 2/9] ASoC: sun4i-i2s: Add offset to RX channel select codekipper
2019-06-04 7:36 ` Maxime Ripard
2019-06-04 7:39 ` [linux-sunxi] " Chen-Yu Tsai
2019-06-04 14:58 ` Applied "ASoC: sun4i-i2s: Add offset to RX channel select" to the asoc tree Mark Brown
2019-06-03 17:47 ` [PATCH v4 3/9] ASoC: sun4i-i2s: Add regmap field to sign extend sample codekipper
2019-06-04 7:43 ` Maxime Ripard
2019-06-04 7:53 ` [linux-sunxi] " Chen-Yu Tsai
2019-06-04 11:46 ` Code Kipper
2019-06-03 17:47 ` [PATCH v4 4/9] ASoC: sun4i-i2s: Reduce quirks for sun8i-h3 codekipper
2019-06-04 7:46 ` Maxime Ripard
2019-06-04 9:33 ` Code Kipper
2019-06-03 17:47 ` [PATCH v4 5/9] ASoC: sun4i-i2s: Add set_tdm_slot functionality codekipper
2019-06-04 7:49 ` Maxime Ripard
2019-06-03 17:47 ` [PATCH v4 6/9] ASoC: sun4i-i2s: Add multi-lane functionality codekipper
2019-06-04 7:58 ` Maxime Ripard
2019-06-04 8:43 ` Code Kipper
2019-06-04 9:02 ` [linux-sunxi] " Christopher Obbard
2019-06-04 9:38 ` Code Kipper
2019-07-30 17:57 ` Jernej Škrabec
2019-07-31 12:29 ` Maxime Ripard
2019-08-01 5:31 ` Jernej Škrabec
2019-08-06 6:22 ` Chen-Yu Tsai
2019-08-12 10:02 ` Maxime Ripard
2019-06-03 17:47 ` [PATCH v4 7/9] ASoC: sun4i-i2s: Add multichannel functionality codekipper
2019-06-03 17:47 ` [PATCH v4 8/9] ASoc: sun4i-i2s: Add 20, 24 and 32 bit support codekipper
2019-06-04 8:19 ` Maxime Ripard
2019-06-03 17:47 ` codekipper [this message]
2019-06-04 8:21 ` [PATCH v4 9/9] ASoC: sun4i-i2s: Adjust regmap settings Maxime Ripard
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