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
next reply other threads:[~2019-12-27 17:29 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-27 17:26 Sasha Levin [this message]
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 ` [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 17:37 Sasha Levin
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