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ASoC: arizona: Add delay after powering up line level outputs

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Ensure that the outputs are fully enabled before we begin passing audio
through them.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2013-03-24 22:50:23 +00:00
parent 49bc389ec2
commit 1a2c7d568f
1 changed files with 18 additions and 0 deletions
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18
sound/soc/codecs/arizona.c
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@ -579,6 +579,24 @@ int arizona_out_ev(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
switch (event) {
case SND_SOC_DAPM_POST_PMU:
switch (w->shift) {
case ARIZONA_OUT1L_ENA_SHIFT:
case ARIZONA_OUT1R_ENA_SHIFT:
case ARIZONA_OUT2L_ENA_SHIFT:
case ARIZONA_OUT2R_ENA_SHIFT:
case ARIZONA_OUT3L_ENA_SHIFT:
case ARIZONA_OUT3R_ENA_SHIFT:
msleep(17);
break;
default:
break;
}
break;
}
return 0;
}
EXPORT_SYMBOL_GPL(arizona_out_ev);