linux-kernel - Re: [alsa-devel] [PATCH 4/4] ASoC: tda998x: adjust the audio hw parameters from EDID

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Date:	Tue, 28 Jan 2014 10:23:57 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	Mark Brown <broonie@...nel.org>
Cc:	Russell King - ARM Linux <linux@....linux.org.uk>,
	Jean-Francois Moine <moinejf@...e.fr>,
	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
	dri-devel@...ts.freedesktop.org, Rob Clark <robdclark@...il.com>,
	Dave Airlie <airlied@...il.com>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [alsa-devel] [PATCH 4/4] ASoC: tda998x: adjust the audio hw parameters from EDID

At Mon, 27 Jan 2014 20:54:37 +0000,
Mark Brown wrote:
> 
> On Mon, Jan 27, 2014 at 08:49:15PM +0000, Russell King - ARM Linux wrote:
> > On Mon, Jan 27, 2014 at 08:44:41PM +0000, Mark Brown wrote:
> 
> > > Can this parsing code be factored out - it (or large parts of it) should
> > > be usable by other HDMI devices shouldn't it?
> 
> > Yes, preferably as a generic ALSA helper rather than an ASoC helper -
> > I don't see any need for this to be ASoC specific (I have a pure ALSA
> > driver which has very similar code in it.)
> 
> Indeed, definitely ALSA generic - ideally we could factor a lot of the
> integration with the video side out.

Yes, indeed.

OTOH, as discussed recently, we're heading to move from ELD parsing to
more direct communication between video and audio drivers for
HD-audio.  ELD will be still provided to user-space, but not evaluated
any longer in the new scenario.


Takashi
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