[alsa-devel] 2.6.38.4 broke my audio

[Takashi Iwai]

At Thu, 28 Apr 2011 12:50:12 +0700,
Emmanuel Benisty wrote:
> 
> On Thu, Apr 28, 2011 at 12:37 PM, Takashi Iwai <tiwai at suse.de> wrote:
> > At Thu, 28 Apr 2011 08:07:23 +0700,
> > Emmanuel Benisty wrote:
> >>
> >> [1  <text/plain; UTF-8 (quoted-printable)>]
> >> On Thu, Apr 28, 2011 at 2:35 AM, Takashi Iwai <tiwai at suse.de> wrote:
> >> > At Wed, 27 Apr 2011 23:17:20 +0700,
> >> > Emmanuel Benisty wrote:
> >> >>
> >> >> [1  <text/plain; UTF-8 (quoted-printable)>]
> >> >> On Wed, Apr 27, 2011 at 10:47 PM, Takashi Iwai <tiwai at suse.de> wrote:
> >> >> > At Wed, 27 Apr 2011 21:57:32 +0700,
> >> >> > Emmanuel Benisty wrote:
> >> >> >>
> >> >> >> On Wed, Apr 27, 2011 at 3:36 PM, Takashi Iwai <tiwai at suse.de> wrote:
> >> >> >> > At Wed, 27 Apr 2011 08:15:28 +0700,
> >> >> >> > Emmanuel Benisty wrote:
> >> >> >> >>
> >> >> >> >> [1  <text/plain; UTF-8 (quoted-printable)>]
> >> >> >> >> On Tue, Apr 26, 2011 at 7:49 PM, Takashi Iwai <tiwai at suse.de> wrote:
> >> >> >> >> > At Tue, 26 Apr 2011 08:42:59 +0700,
> >> >> >> >> > Emmanuel Benisty wrote:
> >> >> >> >> >>
> >> >> >> >> >> On Tue, Apr 26, 2011 at 3:25 AM, Takashi Iwai <tiwai at suse.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 at suse.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 at suse.de>
> >> >> >> >> >> >> > > >     Signed-off-by: Greg Kroah-Hartman <gregkh at suse.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?
> >> >> >> >>
> >> >> >> >> Hi Takashi,
> >> >> >> >>
> >> >> >> >> To double check, I have rebuilt .3 and .4 straight from kernel.org
> >> >> >> >> sources with the same config (which I attached, just in case).
> >> >> >> >> alsa-info.sh outputs are attached.
> >> >> >> >
> >> >> >> > Thanks.  The bad output still shows the strange pin-config for NID
> >> >> >> > 0x15 while it's not found in the good output.
> >> >> >> >
> >> >> >> > Could you check the following?
> >> >> >> >
> >> >> >> > 1. Set model=auto option to snd-hda-intel module and boot 2.6.38.3.
> >> >> >> >   Get alsa-info.sh output.
> >> >> >> >
> >> >> >> > 2. Apply fix1.diff patch below to 2.6.38.4, and boot, get alsa-info.sh
> >> >> >> >   again.
> >> >> >> >
> >> >> >> > 3. Reviert fix1.diff, and apply fix2.diff to 2.6.38.4.  The same
> >> >> >> >   procedure.
> >> >> >> >
> >> >> >> > The point to be checked is the widget 0x15.  In a good case, it should
> >> >> >> > have the pin config such as:
> >> >> >> >  Pin Default 0x411111f0: [N/A] Speaker at Ext Rear
> >> >> >> >
> >> >> >> > In a bad case, the driver modifies this by some reason to
> >> >> >> >  Pin Default 0x99130112: [Fixed] Speaker at Int ATAPI
> >> >> >>
> >> >> >> Hi Takashi,
> >> >> >>
> >> >> >> alsa-info.sh outputs are attached. fix1 works, fix2 is still broken.
> >> >> >
> >> >> > Thanks.  Hm, so it happens only with the patch.  Puzzling.
> >> >> >
> >> >> > Could you check the messages triggered by the patch below?
> >> >> > Does it include 0x15?
> >> >>
> >> >> attached is what it gives.
> >> >
> >> > OK, so it's chained wrongly by some reason.  Maybe using bool type
> >> > causes a problem for some compiler?
> >> >
> >> > Could you try the patch below instead?  If it works as expected,
> >> > you'll see _no_ Surround volume control.
> >>
> >> Sorry Takashi, still no luck with this patch.
> >
> > Please double-check whether the patch was really applied.
> > Now there is no debug message seen.  It should still put some
> > 'XXX hda_codec: ' lines.  This looks odd.
> 
> my bad, I have reverted this patch (the debug one, habit of keeping
> the sources unpatched) but the latest one has been applied, sorry.
> 
> >> > And, what is your configuration, i.e. which output are you testing?
> >> > The output from the speaker and/of from the headphone jack?
> >>
> >> Ouput from speakers only until now.
> >
> > You don't plug into the headphone or line-out jack, right?
> > Otherwise the speaker output is muted automatically by the jack.
> 
> in fact, it's a desktop machine, not a laptop, so speakers are plugged
> into the line-out jack.

OK, but now the patch assumes that it's a mutable output, so the 
auto-mute shall happen.

Actually other OSes seem to mute the line-out as well, so we may
follow the standard scenario.


Takashi