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| author | Ryan Lee <ryans.lee@maximintegrated.com> | 2021-03-24 20:35:54 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-04-21 13:00:52 +0200 |
| commit | bfb5a1523f17944d0a488862da2aba57f24a95b2 (patch) | |
| tree | e1ecaa53fd9cb3bcbc7b215e9cc8bd5b795c5042 | |
| parent | 58d59d9ae56f87ae82af2d4e204a1c05a0ce9bdb (diff) | |
| download | kernel_replicant_linux-bfb5a1523f17944d0a488862da2aba57f24a95b2.tar.gz kernel_replicant_linux-bfb5a1523f17944d0a488862da2aba57f24a95b2.tar.bz2 kernel_replicant_linux-bfb5a1523f17944d0a488862da2aba57f24a95b2.zip | |
ASoC: max98373: Added 30ms turn on/off time delay
[ 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>
| -rw-r--r-- | sound/soc/codecs/max98373.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/soc/codecs/max98373.c b/sound/soc/codecs/max98373.c index 929bb1798c43..1fd4dbbb4ecf 100644 --- a/sound/soc/codecs/max98373.c +++ b/sound/soc/codecs/max98373.c @@ -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: |