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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Shuming Fan <shumingf@realtek.com>,
	Mark Brown <broonie@kernel.org>, Sasha Levin <sashal@kernel.org>,
	alsa-devel@alsa-project.org
Subject: [PATCH AUTOSEL 5.4 001/187] ASoC: rt5682: fix i2c arbitration lost issue
Date: Fri, 27 Dec 2019 12:26:05 -0500	[thread overview]
Message-ID: <20191227172911.4430-1-sashal@kernel.org> (raw)

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


WARNING: multiple messages have this Message-ID (diff)
From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Shuming Fan <shumingf@realtek.com>,
	Sasha Levin <sashal@kernel.org>,
	alsa-devel@alsa-project.org, Mark Brown <broonie@kernel.org>
Subject: [alsa-devel] [PATCH AUTOSEL 5.4 001/187] ASoC: rt5682: fix i2c arbitration lost issue
Date: Fri, 27 Dec 2019 12:26:05 -0500	[thread overview]
Message-ID: <20191227172911.4430-1-sashal@kernel.org> (raw)

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

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             reply	other threads:[~2019-12-27 17:29 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-27 17:26 Sasha Levin [this message]
2019-12-27 17:26 ` [alsa-devel] [PATCH AUTOSEL 5.4 001/187] ASoC: rt5682: fix i2c arbitration lost issue 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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