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ASoC: max98373: Added 30ms turn on/off time delay

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[ Upstream commit 3a27875e91fb9c29de436199d20b33f9413aea77 ]

Amp requires 10 ~ 30ms for the power ON and OFF.
Added 30ms delay for stability.

Signed-off-by: Ryan Lee <ryans.lee@maximintegrated.com>
Link: https://lore.kernel.org/r/20210325033555.29377-2-ryans.lee@maximintegrated.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ryan Lee 2021-03-24 20:35:54 -07:00 committed by Greg Kroah-Hartman
parent 58d59d9ae5
commit bfb5a1523f
1 changed files with 2 additions and 0 deletions
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2
sound/soc/codecs/max98373.c
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@ -28,11 +28,13 @@ static int max98373_dac_event(struct snd_soc_dapm_widget *w,
regmap_update_bits(max98373->regmap,
MAX98373_R20FF_GLOBAL_SHDN,
MAX98373_GLOBAL_EN_MASK, 1);
usleep_range(30000, 31000);
break;
case SND_SOC_DAPM_POST_PMD:
regmap_update_bits(max98373->regmap,
MAX98373_R20FF_GLOBAL_SHDN,
MAX98373_GLOBAL_EN_MASK, 0);
usleep_range(30000, 31000);
max98373->tdm_mode = false;
break;
default: