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

[drago01]

On Fri, Feb 12, 2010 at 9:20 PM, Takashi Iwai <tiwai at suse.de> wrote:
> 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.

OK, will give it a shoot.

Thanks