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authorRyan Lee <ryans.lee@maximintegrated.com>2021-03-24 20:35:54 -0700
committerMark Brown <broonie@kernel.org>2021-03-25 13:59:46 +0000
commit3a27875e91fb9c29de436199d20b33f9413aea77 (patch)
tree144e02707f43e5aa916aef6135996d2f99000324 /sound
parenta23f9099ff1541f15704e96b784d3846d2a4483d (diff)
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>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/max98373.c2
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: