[PATCH 2/2] ASoC: rt5682: Add a new property to the device tree.

Oder Chiou oder_chiou at realtek.com
Mon Nov 16 02:31:11 CET 2020


> > diff --git a/Documentation/devicetree/bindings/sound/rt5682.txt
> > b/Documentation/devicetree/bindings/sound/rt5682.txt
> > index 707fa98d1310..9c5fadb6ac82 100644
> > --- a/Documentation/devicetree/bindings/sound/rt5682.txt
> > +++ b/Documentation/devicetree/bindings/sound/rt5682.txt
> > @@ -44,6 +44,8 @@ Optional properties:
> >   - realtek,dmic-delay-ms : Set the delay time (ms) for the requirement of
> >     the particular DMIC.
> >
> > +- realtek,dmic-clk-driving-high : Set the high drving of the DMIC clock out.
> 
> driving?
> 
> I must admit I actually don't understand what 'dmic-clk-driving-high'
> means, a clock is by definition dual-phase and we use both rising and falling
> edges for the mics.
> 
> Or driving high when idle?
That reduces the rising time and falling time while the clock is output,
and not driving high always when idle, thanks.


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