On Wed, Aug 31, 2016 at 3:40 PM, Danny Milosavljevic
<dannym@xxxxxxxxxxxxxxx> wrote:
>> And what about microphone bias?
>
> Would this be OK?
>
> static int sun4i_codec_handle_mic_bias_event(struct snd_soc_dapm_widget *w,
> struct snd_kcontrol *k, int event)
> {
> struct sun4i_codec *scodec = snd_soc_card_get_drvdata(w->dapm->card);
> if (SND_SOC_DAPM_EVENT_ON(event))
> regmap_update_bits(scodec->regmap,
> SUN4I_CODEC_ADC_ACTL,
> BIT(SUN4I_CODEC_ADC_ACTL_VMICEN),
> BIT(SUN4I_CODEC_ADC_ACTL_VMICEN));
> else
> regmap_update_bits(scodec->regmap,
> SUN4I_CODEC_ADC_ACTL,
> BIT(SUN4I_CODEC_ADC_ACTL_VMICEN),
> 0);
> }
>
> static const struct snd_soc_dapm_widget sun4i_codec_codec_dapm_widgets[] = {
> ...
> SND_SOC_DAPM_MIC("Mic1", sun4i_codec_handle_mic_bias_event),
> SND_SOC_DAPM_MIC("Mic2", sun4i_codec_handle_mic_bias_event),
>
> Do I then remove
>
> SND_SOC_DAPM_SUPPLY("VMIC", SUN4I_CODEC_ADC_ACTL,
> SUN4I_CODEC_ADC_ACTL_VMICEN, 0, NULL, 0),
>
> completely? What about the routes?
My apologies. I didn't notice that VMIC was already in the driver.
In that your original patch did everything right.
ChenYu
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