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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>
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@ -72,6 +72,7 @@ struct rt5682_priv {
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static const struct reg_sequence patch_list[] = {
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{RT5682_HP_IMP_SENS_CTRL_19, 0x1000},
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{RT5682_DAC_ADC_DIG_VOL1, 0xa020},
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{RT5682_I2C_CTRL, 0x000f},
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};
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static const struct reg_default rt5682_reg[] = {
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@ -2481,6 +2482,7 @@ static void rt5682_calibrate(struct rt5682_priv *rt5682)
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mutex_lock(&rt5682->calibrate_mutex);
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rt5682_reset(rt5682->regmap);
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regmap_write(rt5682->regmap, RT5682_I2C_CTRL, 0x000f);
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regmap_write(rt5682->regmap, RT5682_PWR_ANLG_1, 0xa2af);
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usleep_range(15000, 20000);
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regmap_write(rt5682->regmap, RT5682_PWR_ANLG_1, 0xf2af);
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