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* [PATCH AUTOSEL 5.4 001/187] ASoC: rt5682: fix i2c arbitration lost issue
@ 2019-12-27 17:26 ` Sasha Levin
  0 siblings, 0 replies; 8+ messages in thread
From: Sasha Levin @ 2019-12-27 17:26 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Shuming Fan, Mark Brown, Sasha Levin, alsa-devel

From: Shuming Fan <shumingf@realtek.com>

[ Upstream commit bc094709de0192a756c6946a7c89c543243ae609 ]

This patch modified the HW initial setting to fix i2c arbitration lost issue.

Signed-off-by: Shuming Fan <shumingf@realtek.com>
Link: https://lore.kernel.org/r/20191125091940.11953-1-shumingf@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/codecs/rt5682.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/soc/codecs/rt5682.c b/sound/soc/codecs/rt5682.c
index c50b75ce82e0..05e883a65d7a 100644
--- a/sound/soc/codecs/rt5682.c
+++ b/sound/soc/codecs/rt5682.c
@@ -72,6 +72,7 @@ struct rt5682_priv {
 static const struct reg_sequence patch_list[] = {
 	{RT5682_HP_IMP_SENS_CTRL_19, 0x1000},
 	{RT5682_DAC_ADC_DIG_VOL1, 0xa020},
+	{RT5682_I2C_CTRL, 0x000f},
 };
 
 static const struct reg_default rt5682_reg[] = {
@@ -2481,6 +2482,7 @@ static void rt5682_calibrate(struct rt5682_priv *rt5682)
 	mutex_lock(&rt5682->calibrate_mutex);
 
 	rt5682_reset(rt5682->regmap);
+	regmap_write(rt5682->regmap, RT5682_I2C_CTRL, 0x000f);
 	regmap_write(rt5682->regmap, RT5682_PWR_ANLG_1, 0xa2af);
 	usleep_range(15000, 20000);
 	regmap_write(rt5682->regmap, RT5682_PWR_ANLG_1, 0xf2af);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 8+ messages in thread
* [PATCH AUTOSEL 5.4 001/187] ASoC: rt5682: fix i2c arbitration lost issue
@ 2019-12-27 17:37 Sasha Levin
  0 siblings, 0 replies; 8+ messages in thread
From: Sasha Levin @ 2019-12-27 17:37 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Shuming Fan, Mark Brown, Sasha Levin, alsa-devel

From: Shuming Fan <shumingf@realtek.com>

[ Upstream commit bc094709de0192a756c6946a7c89c543243ae609 ]

This patch modified the HW initial setting to fix i2c arbitration lost issue.

Signed-off-by: Shuming Fan <shumingf@realtek.com>
Link: https://lore.kernel.org/r/20191125091940.11953-1-shumingf@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/codecs/rt5682.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/soc/codecs/rt5682.c b/sound/soc/codecs/rt5682.c
index c50b75ce82e0..05e883a65d7a 100644
--- a/sound/soc/codecs/rt5682.c
+++ b/sound/soc/codecs/rt5682.c
@@ -72,6 +72,7 @@ struct rt5682_priv {
 static const struct reg_sequence patch_list[] = {
 	{RT5682_HP_IMP_SENS_CTRL_19, 0x1000},
 	{RT5682_DAC_ADC_DIG_VOL1, 0xa020},
+	{RT5682_I2C_CTRL, 0x000f},
 };
 
 static const struct reg_default rt5682_reg[] = {
@@ -2481,6 +2482,7 @@ static void rt5682_calibrate(struct rt5682_priv *rt5682)
 	mutex_lock(&rt5682->calibrate_mutex);
 
 	rt5682_reset(rt5682->regmap);
+	regmap_write(rt5682->regmap, RT5682_I2C_CTRL, 0x000f);
 	regmap_write(rt5682->regmap, RT5682_PWR_ANLG_1, 0xa2af);
 	usleep_range(15000, 20000);
 	regmap_write(rt5682->regmap, RT5682_PWR_ANLG_1, 0xf2af);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 8+ messages in thread

end of thread, other threads:[~2019-12-27 22:45 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-12-27 17:26 [PATCH AUTOSEL 5.4 001/187] ASoC: rt5682: fix i2c arbitration lost issue Sasha Levin
2019-12-27 17:26 ` [alsa-devel] " Sasha Levin
2019-12-27 17:26 ` [PATCH AUTOSEL 5.4 002/187] spi: pxa2xx: Add support for Intel Jasper Lake Sasha Levin
2019-12-27 17:26   ` Sasha Levin
2019-12-27 17:26 ` [PATCH AUTOSEL 5.4 003/187] regulator: fix use after free issue Sasha Levin
2019-12-27 22:43 ` [PATCH AUTOSEL 5.4 001/187] ASoC: rt5682: fix i2c arbitration lost issue Mark Brown
2019-12-27 22:43   ` [alsa-devel] " Mark Brown
2019-12-27 17:37 Sasha Levin

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