[alsa-devel] HDMI codec, way forward?

[Vinod Koul]

On Tue, Oct 20, 2015 at 09:08:00AM +0100, Russell King - ARM Linux wrote:
> > > Currently i915/audio component works as you described.  The audio is
> > > optional and HDMI graphics works without audio, while HDMI HD-audio
> > > mandates i915 graphics.
> > 
> > Right, but we also add additional interface on top of this to allow
> > things like ensuring display is on when audio wants to run and now
> > notification for events.
> > 
> > I don't see a reason why this can be used as single interface to bind as
> > well as talk to display from various components, unless I missed obvious
> > which prevent us from doing this in non i915 cases...
> 
> Maybe I can comment more specifically if I saw the code.  Right now all
> I'm aware of is this idea without any code, and I don't like it.

Ok, i will be post my patches tomorrow. FWIW uses interface in
sound/hda/hdac_i915.c for display power up/down

-- 
~Vinod