[alsa-devel] WM8903 DMIC, and stereo mux vs. 2 mono muxes

Mark Brown broonie at opensource.wolfsonmicro.com
Mon Apr 18 15:37:57 CEST 2011

On Sat, Apr 16, 2011 at 10:29:45PM -0600, Stephen Warren wrote:

> So, is there a way to correctly represent this while only exposing a
> single control for it?

No, not at present.  DAPM only deals in mono controls.  Your current
patch looks good though...

> +static const struct snd_kcontrol_new dsp_mux =
> +	SOC_DAPM_ENUM("DSP Mux", dsp_enum);
> +

...this should be more descriptively named - Decimator input or

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