ASoC: arizona: Automatically manage input mutes
For optimal performance the inputs should be kept muted until after power
up. Since there are few use cases for muting inputs during capture move
the mutes to automatic control.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index d824c98..ac948a6 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -335,6 +335,23 @@
int arizona_in_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol,
int event)
{
+ unsigned int reg;
+
+ if (w->shift % 2)
+ reg = ARIZONA_ADC_DIGITAL_VOLUME_1L + ((w->shift / 2) * 8);
+ else
+ reg = ARIZONA_ADC_DIGITAL_VOLUME_1R + ((w->shift / 2) * 8);
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ snd_soc_update_bits(w->codec, reg, ARIZONA_IN1L_MUTE, 0);
+ break;
+ case SND_SOC_DAPM_PRE_PMD:
+ snd_soc_update_bits(w->codec, reg, ARIZONA_IN1L_MUTE,
+ ARIZONA_IN1L_MUTE);
+ break;
+ }
+
return 0;
}
EXPORT_SYMBOL_GPL(arizona_in_ev);