Re: [PATCH 4/4] ASoC: wm8904: add DMIC support

[Pierluigi Passaro <pierluigi.p@xxxxxxxxxxxxx>]

Hi All,

> > +static const char *cin_text[] = {
> > +     "ADC", "DMIC"
> > +};
> > +
> > +static SOC_ENUM_SINGLE_DECL(cin_enum,
> > +                         WM8904_DIGITAL_MICROPHONE_0, 12, cin_text);
> 
> Why would this be runtime selectable?  I'd expect the decision to use
> an analogue or digital microphone to be made in the hardware design.

I agree that dedicated HW is required, but currently SW side there's no support at all.
This patch is aiming to provide a way to enable DMIC on boards using it.
Is this supposed to be managed in a different way ?

Thanks
Best Regards
Pier