From 1a2c7d568f624307c5821f31e54727a4b374855c Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sun, 24 Mar 2013 22:50:23 +0000 Subject: [PATCH] ASoC: arizona: Add delay after powering up line level outputs Ensure that the outputs are fully enabled before we begin passing audio through them. Signed-off-by: Mark Brown --- sound/soc/codecs/arizona.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c index abdd019c5b6e..389f23253831 100644 --- a/sound/soc/codecs/arizona.c +++ b/sound/soc/codecs/arizona.c @@ -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); -- 2.11.0