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| author | Ryan Lee <ryans.lee@maximintegrated.com> | 2021-03-25 04:35:54 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-03-25 14:59:46 +0100 |
| commit | 3a27875e91fb9c29de436199d20b33f9413aea77 (patch) | |
| tree | 144e02707f43e5aa916aef6135996d2f99000324 | |
| parent | ASoC: max98373: Changed amp shutdown register as volatile (diff) | |
| download | linux-3a27875e91fb9c29de436199d20b33f9413aea77.tar.xz linux-3a27875e91fb9c29de436199d20b33f9413aea77.zip | |
ASoC: max98373: Added 30ms turn on/off time delay
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>
| -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 746c829312b8..1346a98ce8a1 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: |