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From: George Hartzell <hartzell@alerce.com>
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Date: Fri, 5 Sep 2008 21:05:39 -0700
To: Alexander Motin <mav@FreeBSD.org>
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Cc: freebsd-multimedia@FreeBSD.org
Subject: Re: snd_hda UAA patch second preview
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Alexander Motin writes:
 > George Hartzell wrote:
 > > Alexander Motin writes:
 > >  > George Hartzell wrote:
 > >  > > I cvsup'ed my -STABLE mac pro amd64 this afternoon, applied
 > >  > > hda.7.20080828.patch, rebuilt everything.
 > >  > > 
 > >  > > Sound no longer works.
 > >  > > 
 > >  > > Sndstat is available at:
 > >  > >  http://shrimp.alerce.com/macpro/hda.7.20080828.patch.sndstat
 > >  > > verbose dmesg is at:
 > >  > >  http://shrimp.alerce.com/macpro/hda.7.20080828.patch.dmesg-out
 > >  > 
 > >  > I have just uploaded fresh version with several fixes which also may fix 
 > >  > this. Try it please.
 > >  > 
 > >  > > I tried it both with and without
 > >  > > 
 > >  > >  hint.hdac.0.config="gpio1"
 > >  > > 
 > >  > > I also get [GIANT] in my sndstat output.
 > >  > 
 > >  > I hope I have fixed this also at last.
 > >  > 
 > >  > -- 
 > >  > Alexander Motin
 > >  > 
 > > 
 > > Still no sound.  The sndstat output now says [MPSAFE] though.
 > > 
 > > http://shrimp.alerce.com/macpro/hda.7.20080901.patch.dmesg-verbose
 > > http://shrimp.alerce.com/macpro/hda.7.20080901.patch.sndstat
 > 
 > As I can see Linux ALSA driver sets both gpio0 and gpio1 for ALC885 on 
 > MacPro. Have you tried to do in also?
 > 
 > Also there is next 20080903 patch revision. Differences are minor, but 
 > present.

I tried 20080905.  W/ gpio0 set, I get sound out of the builtin
speaker.  With gpio0 and gpio1 set I get sound out of the builtin
speaker.  With only gpio1 set I get no sound.

More info at:

  http://shrimp.alerce.com/macpro/hda.7.20080905.patch.dmesg-verbose
  http://shrimp.alerce.com/macpro/hda.7.20080905.patch.sndstat

g.