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| author | Shuming Fan <shumingf@realtek.com> | 2019-11-25 17:19:40 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-01-12 12:21:11 +0100 |
| commit | 42ba2aded448a79133720eeec2db432dee5cc312 (patch) | |
| tree | 7859a8ec21fa6cd290549949e7b59a1b3be87bca /sound | |
| parent | b2eccb43aa1b2da075373a26b978f1253bee2b50 (diff) | |
| download | linux-stable-42ba2aded448a79133720eeec2db432dee5cc312.tar.gz linux-stable-42ba2aded448a79133720eeec2db432dee5cc312.tar.bz2 linux-stable-42ba2aded448a79133720eeec2db432dee5cc312.zip | |
ASoC: rt5682: fix i2c arbitration lost issue
[ 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>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/codecs/rt5682.c | 2 |
1 files changed, 2 insertions, 0 deletions
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); |