From: Ryan Lee Date: Thu, 25 Mar 2021 03:35:54 +0000 (-0700) Subject: ASoC: max98373: Added 30ms turn on/off time delay X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=3a27875e91fb9c29de436199d20b33f9413aea77;p=linux.git 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 Link: https://lore.kernel.org/r/20210325033555.29377-2-ryans.lee@maximintegrated.com Signed-off-by: Mark Brown --- diff --git a/sound/soc/codecs/max98373.c b/sound/soc/codecs/max98373.c index 746c829312b87..1346a98ce8a15 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: