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

[Mark Brown]

On Sat, May 30, 2020 at 01:26:20AM +0800, Tzung-Bi Shih wrote:
> On Fri, May 29, 2020 at 9:05 PM Mark Brown <broonie@xxxxxxxxxx> wrote:

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

> Not sure what is the common name but use the same context here.

> MT6358 accepts up to 2 PDM wires for 2 DMICs.
> If one wire mode is on, MT6358 only accepts 1 PDM wire.
> If one wire mode is off, MT6358 merges L/R from 2 PDM wires into 1
> I2S-like to SoC.

Oh, interesting - so it's essentially a mixer?  Not seen that before but
makes sense.  In any case this definitely seems like a good fit for a DT
property.

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