[PATCH v2] ASoC: qcom: SC7280: Add support for external DMIC bias supply

[Mark Brown]

On Thu, Jul 28, 2022 at 07:29:49PM +0530, Srinivasa Rao Mandadapu wrote:
> Update SC7280 machine driver for enabling external dmic bias supply,
> which is required for villager evt boards.

> +++ b/sound/soc/qcom/sc7280.c
> @@ -356,6 +356,7 @@ static const struct snd_soc_ops sc7280_ops = {
>  static const struct snd_soc_dapm_widget sc7280_snd_widgets[] = {
>  	SND_SOC_DAPM_HP("Headphone Jack", NULL),
>  	SND_SOC_DAPM_MIC("Headset Mic", NULL),
> +	SND_SOC_DAPM_REGULATOR_SUPPLY("DMICVDD", 0, 0),
>  };
>  
>  static int sc7280_snd_platform_probe(struct platform_device *pdev)

Don't you want to connect this to something?  This won't do anything
as-is.  I can't see any references to DMICVDD which might be failing to
resolve in the current sound/soc/qcom.
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