[alsa-devel] [PATCH] ASoC: add RT5677 CODEC driver

[Oder Chiou]

> > +static int rt5677_set_micbias1_event(struct snd_soc_dapm_widget *w,
> > +	struct snd_kcontrol *kcontrol, int event) {
> > +	struct snd_soc_codec *codec = w->codec;
> > +	struct rt5677_priv *rt5677 = snd_soc_codec_get_drvdata(codec);
> > +
> > +	switch (event) {
> > +	case SND_SOC_DAPM_POST_PMU:
> > +		regmap_update_bits(rt5677->regmap, RT5677_PWR_ANLG2,
> > +			RT5677_PWR_CLK_MB1 | RT5677_PWR_PP_MB1 |
> > +			RT5677_PWR_CLK_MB, RT5677_PWR_CLK_MB1 |
> > +			RT5677_PWR_PP_MB1 | RT5677_PWR_CLK_MB);
> 
> What does this do - I note we never undo this?
> 

We will add a PMD case for this event, thanks.