linux-kernel - Re: 2.6.38.4 broke my audio

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Message-ID: <s5hvcy1b2kj.wl%tiwai@suse.de>
Date:	Tue, 26 Apr 2011 14:49:00 +0200
From:	Takashi Iwai <tiwai@...e.de>
To:	Emmanuel Benisty <benisty.e@...il.com>
Cc:	Greg KH <gregkh@...e.de>,
	Andrew Clayton <andrew@...ital-domain.net>,
	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
	stable@...nel.org
Subject: Re: 2.6.38.4 broke my audio

At Tue, 26 Apr 2011 08:42:59 +0700,
Emmanuel Benisty wrote:
> 
> On Tue, Apr 26, 2011 at 3:25 AM, Takashi Iwai <tiwai@...e.de> wrote:
> > At Mon, 25 Apr 2011 10:34:09 -0700,
> > Greg KH wrote:
> >>
> >> On Mon, Apr 25, 2011 at 11:25:29AM +0200, Takashi Iwai wrote:
> >> > At Sun, 24 Apr 2011 17:01:26 -0700,
> >> > Greg KH wrote:
> >> > >
> >> > > On Sun, Apr 24, 2011 at 11:30:37AM +0100, Andrew Clayton wrote:
> >> > > > Hi guys.
> >> > > >
> >> > > > Just upgraded to .4 from .3 and found my audio was _really_ quiet. All
> >> > > > the mixers looked sane.
> >> > > >
> >> > > > A quick check of the changelog and a revert of:
> >> > > >
> >> > > > commit 58541cc27531727f7120683a7cb123ee3ada4bd4
> >> > > > Author: Takashi Iwai <tiwai@...e.de>
> >> > > > Date:   Mon Mar 28 12:05:31 2011 +0200
> >> > > >
> >> > > >     ALSA: hda - Fix pin-config of Gigabyte mobo
> >> > > >
> >> > > >     commit c6b358748e19ce7e230b0926ac42696bc485a562 upstream.
> >> > > >
> >> > > >     Use pin-fix instead of the static quirk for Gigabyte mobos 1458:a002.
> >> > > >
> >> > > >     Bugzilla: https://bugzilla.novell.com/show_bug.cgi?id=677256
> >> > > >     Signed-off-by: Takashi Iwai <tiwai@...e.de>
> >> > > >     Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
> >> > > >
> >> > > > made it normal again.
> >> > >
> >> > > Takashi, do you have a fix for this, or should I revert this from the
> >> > > .38 stable tree?  It looks like we now have 2 reports of this problem.
> >> >
> >> > If we need to revert, I'll do it in the upstream first, as it must hit
> >> > to 2.6.39, too.
> >>
> >> True.
> >>
> >> > But let me check this breakage first.  I'll take a look at it more
> >> > deeply tomorrow.
> >>
> >> Ok, that sounds good.
> >
> > Thanks.
> >
> > Andrew, could you give alsa-info.sh outputs on your machine?
> > Preferably, the outputs both before and after the kernel update would
> > be really helpful.
> 
> In case it might help, mine are attached too.

Thanks.  But the output after update (alsa-info.txt.bad) looks weird.
It contains unexpected pin-update for NID 0x15 (found in
/sys/class/sound/hwC0D0/driver_pin_configs), and thus the mixer
elements created don't match with the results on HD-audio emulator.

Could you double-check whether you have no modification over 2.6.38.4
driver?


Takashi
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