[alsa-devel] HP 6930p mute button/led out of sync; fixed by suspend/resume cycle

[Takashi Iwai]

At Fri, 12 Feb 2010 20:38:12 +0100,
drago01 wrote:
> 
> On Tue, Jan 12, 2010 at 10:14 AM, Takashi Iwai <tiwai at suse.de> wrote:
> > At Sun, 10 Jan 2010 15:34:02 +0100,
> > drago01 wrote:
> >>
> >> On Sun, Jan 10, 2010 at 3:31 PM, drago01 <drago01 at gmail.com> wrote:
> >> > Hi,
> >> >
> >> > I experience an odd issue with my HP6930p laptop.
> >> >
> >> > After boot pressing the mute button/led causes the audio to be muted
> >> > but the sate is not reflected in software (i.e the mixer does not show
> >> > the control as muted).
> >> > However pressing after a suspend/resume cycle it works as expected.
> >> > The hardware mute button/led and the software control are in sync
> >> > (pressing the hw button toggles the mixer to mute/unmute; muting the
> >> > software mixer results into the led turning red).
> >> >
> >> > This was with 2.6.31.9 and 2.6.32.1; also installing alsa-drivers from
> >> > source does not change this.
> >> >
> >> > It seems something is not initialized correctly during boot up but is
> >> > done on resume, any pointers on how to debug this?
> >> >
> >>
> >> (Resending to correct list)
> >
> > First off, give alsa-info.sh output (run with --no-upload option) on the
> > very latest alsa-driver.  The mute LED is usually controlled via GPIO 3
> > or GPIO 1 on HP machines according to the codec chip.
> 
> Hi,
> 
> Sorry I somehow missed this mail.
> 
> I have created a bug report in the meantime:
> http://bugzilla.kernel.org/show_bug.cgi?id=15176
> 
> Which does contain alsa-info.sh output before and after suspend.

Could you try sound git tree?
   git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6.git

Take either master or topic/hda branch.


thanks,

Takashi