[PATCH] ASoC: mediatek: mt6358: support DMIC one-wire mode

Mark Brown broonie at kernel.org
Fri May 29 15:05:40 CEST 2020


On Fri, May 29, 2020 at 07:22:43PM +0800, Tzung-Bi Shih wrote:
> On Fri, May 29, 2020 at 7:09 PM Mark Brown <broonie at kernel.org> wrote:

> > What is DMIC one wire mode?  This doesn't sound like something I'd
> > expect to vary at runtime.

> It means: 1 PDM data wire carries 2 channel data (rising edge for left
> and falling edge for right).

I thought that was normal for DMICs - is this selecting between left and
right or something?

> The setting shouldn't and won't change at runtime.  Would you suggest
> putting it into DTS binding?

Yes.
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