[alsa-devel] [PATCH] Enable loudspeakers in ALC889 for Acers and others

[ruben at ugr.es]

> At Thu, 2 Jul 2009 22:12:02 +0200 (CEST),
> ruben at ugr.es wrote:
>>
>> > At Wed, 1 Jul 2009 20:04:36 +0200 (CEST),
>> > ruben at ugr.es wrote:
>> >>
>> >> Hi all
>> >>
>> >> I managed to get sound working on my acer 6935, which has an ALC889
>> >> driven
>> >> by the intel_hda driver
>> >> The lack of sound seems to appear in other laptops as well.
>> >>
...
>> > Does this happen even with the latest alsa-driver snapshot?
>> >   ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/snapshot/alsa-driver-snapshot.tar.gz
>> >
>> >
>> > Takashi
>> >
>>
>> I installed the snapshot, and it has some good things and some bad
>> things.
>> --Good new things
>> -The loudspeakers work correctly on boot.
>> -The headphones jack sense works, and mutes the loudspeakers when I
>> insert
>> headphones.
>>
>> --Bad new things
>> -The headphones don't provide any sound (regression with respect to
>> 1.0.20),
>> I put all the bars to maximum, but no luck.
>>
>> Do you think I can activate the headphones with hda-verb?
>
> Better run alsa-info.sh (with --no-upload option) on both 1.0.20 and
> the latest snapshot, and attach the generated files.
>
> The regression is likely because of my latest change (merging alc882 and
> alc883 parsers).  Earlier is easier to fix :)
>
>
> thanks,
>
> Takashi
>
Attached alsa info from yesterday's snapshot, todays, and 1.0.20 (vanilla,
without my patch).
The volume levels are not exactly the same; I can redo them if you want.
Headphones are still muted in today's snapshot.
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