[alsa-devel] [PATCH v3 08/11] ASoC: Add bindings for DMIC codec driver

[Mark Brown]

On Fri, Mar 24, 2017 at 09:46:03AM -0500, Rob Herring wrote:
> On Fri, Mar 17, 2017 at 03:08:21PM +0100, Arnaud Pouliquen wrote:

> > +Device-Tree bindings for dmic codec

> Please define what is and isn't a DMIC here. What's the interface?

Digital microphones are a well understood concept for anyone familiar
with the problem domain, they all provide a PDM output.

> > +
> > +Required properties:
> > +	- compatible: should be "dmic-codec".

> DMICs don't have part numbers?

Not meaningfully in this context any more than analogue microphones do -
they have no software visible interface.
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