diff options
| author |   Charles Keepax <ckeepax@opensource.wolfsonmicro.com> | 2015-01-20 16:31:50 +0000 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2015-01-27 17:28:50 +0000 |
| commit | 054e1b4892271731453fbfa8658899050196e427 (patch) | |
| tree | 605805dac28322fc99a972a8a19902b9a2df7c44 /sound/soc/codecs/arizona.c | |
| parent | ASoC: wm5102: Use put_unaligned_be16 (diff) | |
| download | linux-dev-054e1b4892271731453fbfa8658899050196e427.tar.xz linux-dev-054e1b4892271731453fbfa8658899050196e427.zip | |
ASoC: arizona: Add delay for output disable
Give the output disable sequence a chance to fully complete, otherwise
there is a danger we may remove the clock before it is finished
resulting in a pop noise. The delay for each output must be cumulative
and these are coalesced into a single delay.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/arizona.c')
| -rw-r--r-- | sound/soc/codecs/arizona.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c index 9550d7433ad0..9e203eff6860 100644 --- a/sound/soc/codecs/arizona.c +++ b/sound/soc/codecs/arizona.c @@ -734,6 +734,8 @@ int arizona_out_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { + struct arizona_priv *priv = snd_soc_codec_get_drvdata(w->codec); + switch (event) { case SND_SOC_DAPM_POST_PMU: switch (w->shift) { @@ -750,6 +752,39 @@ int arizona_out_ev(struct snd_soc_dapm_widget *w, break; } break; + case SND_SOC_DAPM_PRE_PMD: + 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: + priv->out_down_pending++; + priv->out_down_delay++; + break; + default: + break; + } + break; + case SND_SOC_DAPM_POST_PMD: + 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: + priv->out_down_pending--; + if (!priv->out_down_pending) { + msleep(priv->out_down_delay); + priv->out_down_delay = 0; + } + break; + default: + break; + } + break; } return 0; @@ -772,6 +807,8 @@ int arizona_hp_ev(struct snd_soc_dapm_widget *w, case SND_SOC_DAPM_PRE_PMD: val = 0; break; + case SND_SOC_DAPM_POST_PMD: + return arizona_out_ev(w, kcontrol, event); default: return -EINVAL; } |