[alsa-devel] [PATCH 2/2] Documentation: dt: bindings: sound: Add bindings file for CS35L32

Brian Austin brian.austin at cirrus.com
Thu Jul 31 23:28:03 CEST 2014


On Thu, 31 Jul 2014, Mark Brown wrote:

> On Thu, Jul 31, 2014 at 03:40:51PM -0500, Brian Austin wrote:
> > On Thu, 31 Jul 2014, Mark Brown wrote:
> > > On Tue, Jul 29, 2014 at 03:02:43PM -0500, Brian Austin wrote:
> 
> > > > +  - cirrus,gain-manager : Audio-gain management when LEDs are active.
> > > > +  0 = (Default) Automatically reduces audio volume once by 3 dB, only if needed
> > > > +  to avoid thermal shutdown or current limiting the boost converter.
> > > > +  If the condition persists, the CS35L32 examine s ILED_MNG and responds accordingly.
> > > > +  Audio recovers to original volume automatically at the end of the LED event.
> > > > +  1 = User controls volume (nonautomatic).
> 
> > > This looks like something that should be a runtime control.
> 
> > I thought so too but "They" assure me it is not.
> 
> They may be unfamiliar with upstream policies and standards!
> 
That is a fair assumption. I can turn it into a Switch kcontrol and remove 
it from DT.


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