From mboxrd@z Thu Jan  1 00:00:00 1970
From: Giacomo Comes <comes@naic.edu>
Subject: Re: Compute Stick baytrail audio problem
Date: Thu, 3 Mar 2016 00:09:52 -0400
Message-ID: <20160303040952.GA23703@monopoli.naic.edu>
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To: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: Giacomo Comes <comes@naic.edu>, alsa-devel@alsa-project.org, Toyo Abe <toyo.abe@gmail.com>
List-Id: alsa-devel@alsa-project.org

On Wed, Mar 02, 2016 at 11:25:25AM -0600, Pierre-Louis Bossart wrote:
> 
> >>After some investigation, I found some problems on the driver and fixed a few of
> >>them. I pushed the fix to my github. I hope it might help you.
> >>   https://raw.githubusercontent.com/toyoabe/baytrailaudio/fix-underrun/hdmi_audio_20150319.patch
> >>
> >>Best Regards,
> >>-toyo
> >
> >Hi,
> >that was it!. I added your changes and now the audio works. I'm happy.
> >I got finally every subsystem of the Compute Stick working.
> 
> If anyone is interested, I ported the code to v4.4, it seems to work
> on the Baytrail Compute stick w/ Ubuntu.
> 
> https://github.com/plbossart/sound/commits/baytrail-stick-rebase-4.4
> 
> Testers welcome, next steps are to add the CherryTrail parts, rebase
> to the drm-nightly-build branch and start talking upstream changes.

I tested your rebased code and it works for me. Actually I haven't
used a 4.4 kernel but a 4.1 (openSUSE 42.1). I made a diff between 
kernel 4.4 and your branch and then applied that diff (with very minor changes)
to the 4.1 openSUSE kernel. No sound issue so far.

Giacomo