diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-02-06 16:57:29 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-02-12 22:08:52 +0000 |
| commit | 43cd8bf1c8d8f6e897ed0f2c4bd50a4266b5c36e (patch) | |
| tree | c901f3d92c297d999e09d75218803fe27062671b /sound/soc/codecs/arizona.c | |
| parent | 699ba4546cfe3f4eee73aff4f307bf16362f9232 (diff) | |
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>
Diffstat (limited to 'sound/soc/codecs/arizona.c')
| -rw-r--r-- | sound/soc/codecs/arizona.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c index d824c984c8a..ac948a671ea 100644 --- a/sound/soc/codecs/arizona.c +++ b/sound/soc/codecs/arizona.c @@ -335,6 +335,23 @@ EXPORT_SYMBOL_GPL(arizona_ng_hold); 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); |