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Message-Id: <20200111094921.603663561@linuxfoundation.org>
Date: Sat, 11 Jan 2020 10:48:42 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Shuming Fan <shumingf@...ltek.com>,
Mark Brown <broonie@...nel.org>,
Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 003/165] ASoC: rt5682: fix i2c arbitration lost issue
From: Shuming Fan <shumingf@...ltek.com>
[ Upstream commit bc094709de0192a756c6946a7c89c543243ae609 ]
This patch modified the HW initial setting to fix i2c arbitration lost issue.
Signed-off-by: Shuming Fan <shumingf@...ltek.com>
Link: https://lore.kernel.org/r/20191125091940.11953-1-shumingf@realtek.com
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.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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