Re: [PATCH] Enable loudspeakers in ALC889 for Acers and others

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At Fri, 3 Jul 2009 09:26:40 +0200 (CEST),
ruben@xxxxxx wrote:
> 
> > At Thu, 2 Jul 2009 22:12:02 +0200 (CEST),
> > ruben@xxxxxx wrote:
> >>
> >> > At Wed, 1 Jul 2009 20:04:36 +0200 (CEST),
> >> > ruben@xxxxxx 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.

Hm, I don't see any significant problem there.

The headphone routing should be from 0x02 -> 0x0c -> 0x15.
Try to adjust these widgets via hda-verb.

Also, you can try model=auto.  Does it work somehow?


Takashi
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