From: Long Wang long.wang@analog.com

In order to avoid pop noise which occurs when switching device from speaker to headphone, the amplifier should power down first when stopping playback.

Signed-off-by: Long Wang long.wang@analog.com Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com Reviewed-by: Bard Liao yung-chuan.liao@linux.intel.com Reviewed-by: Rander Wang rander.wang@intel.com --- sound/soc/codecs/max98373.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/codecs/max98373.c b/sound/soc/codecs/max98373.c index f90a6a7ba83b..fde055c6c894 100644 --- a/sound/soc/codecs/max98373.c +++ b/sound/soc/codecs/max98373.c @@ -31,7 +31,7 @@ static int max98373_dac_event(struct snd_soc_dapm_widget *w, MAX98373_GLOBAL_EN_MASK, 1); usleep_range(30000, 31000); break; - case SND_SOC_DAPM_POST_PMD: + case SND_SOC_DAPM_PRE_PMD: regmap_update_bits(max98373->regmap, MAX98373_R20FF_GLOBAL_SHDN, MAX98373_GLOBAL_EN_MASK, 0); @@ -64,7 +64,7 @@ static const struct snd_kcontrol_new max98373_spkfb_control = static const struct snd_soc_dapm_widget max98373_dapm_widgets[] = { SND_SOC_DAPM_DAC_E("Amp Enable", "HiFi Playback", MAX98373_R202B_PCM_RX_EN, 0, 0, max98373_dac_event, - SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), SND_SOC_DAPM_MUX("DAI Sel Mux", SND_SOC_NOPM, 0, 0, &max98373_dai_controls), SND_SOC_DAPM_OUTPUT("BE_OUT"),