[PATCH v2 04/14] ASoC: hdac_hdmi: Add hotplug notification and read eld

[Subhransu S. Prusty]

On Thu, Dec 03, 2015 at 04:51:37PM +0100, Takashi Iwai wrote:
> On Thu, 03 Dec 2015 22:08:52 +0100,
> Subhransu S. Prusty wrote:
> > 
> > This patch uses i915 component framework to register for hotplug
> > notification. And once it identifies valid pin sense and valid eld,
> > reads the eld into the corresponding pin map buffer. For now it
> > directly sends the verbs and reads the eld. Later this will use
> > the i915 framework to populate ELD buffer once available.
> > 
> > The eld reading APIs in legacy hda are required for ASoC skylake
> > hdmi driver as well. So keeping a copy here and will remove once
> > component ops for reading ELD are merged in hda core.
> > 
> > Also read the monitor present sense during resume and ignore the
> > ELD notify from graphics during PM as is done in legacy hda.
> > Reference commits:
> > 
> > git: git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git
> > 
> > commit 33d58f2bb446 ("ALSA: hda - Skip ELD notification during PM
> > process")
> 
> This one isn't merged yet, so the commit ID may be wrong.
> Maybe I'm going to merge this one at first to for-next branch,
> irrelevant from test/hdmi-jack branch.  So drop it from the
> description for now.

Ok.

> 
> > commit 8ae743e82f0b ("ALSA: hda - Skip ELD notification during
> > system suspend")
> 
> This one is already solid.
> 
> 
> Takashi

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