snd_atiixp on MSI S270, speakers disabled

[Christian Mueller]

Am Donnerstag, 19. April 2007 06:29:29 schrieb Ariff Abdullah:
> On Thu, 19 Apr 2007 00:44:41 +0200
>
> Christian Mueller <raptor-freebsd-multimedia at xpls.de> wrote:
> > Am Mittwoch, 18. April 2007 22:37:50 schrieb Ariff Abdullah:
> > > On Wed, 18 Apr 2007 22:00:37 +0200
> > >
> > > Christian Mueller <raptor-freebsd-multimedia at xpls.de> wrote:
> > > > Hi,
> > > >
> > > > running FreeBSD 6.2-p3 with a generic kernel and snd_atiixp
> > > > gives me no sound  on the notebook speakers. With headphones it
> > > > is barely noticeable. I've tried  setting all mixer variable to
> > > > 100 with no avail.
> > > >
> > > > raptor at hexe:~> pciconf -l | grep pcm
> > > > pcm0 at pci0:20:5: class=0x040100 card=0x01311462 chip=0x43701002
> > > > rev=0x01  hdr=0x00
> > > >
> > > > raptor at hexe:~> dmesg | grep pcm
> > > > pcm0: <ATI IXP 400> mem 0xfbdfc800-0xfbdfc8ff irq 17 at device
> > > > 20.5 on pci0 pcm0: <Avance Logic ALC655 AC97 Codec>
> > > >
> > > > There is an ALSA patch which fixes some EAPD for the S270 by
> > > > flipping bit 0  (?) in register 0x7a of the AC97 codec...
> > > > whatever that means.
> > > >
> > > > I've tried fiddling around in ac97.c and snd_atiixp.c, but since
> > > > I don't know  what I'm exactly doing, I wasn't successful so far
> > > >
> > > > :)
> > > >
> > > > Would anyone be so kind in helping me with this?
> > >
> > > Don't fiddle with ac97.c . Instead, go to Line 800 in atiixp.c and
> > > try adding your card id (0x01311462) there.
> > >
> > >
> > > --
> > > Ariff Abdullah
> > > FreeBSD
> > >
> > > ... Recording in stereo is obviously too advanced
> > >     and confusing for us idiot ***** users :P ........
> >
> > Thanks for your quick response, Ariff.
> >
> > After reading similiar posts i've already tried that and just
> > checked again,  but unfortunately it doesn't help.
>
> Erh.. my mistake. Please try this patch:
>
>   http://people.freebsd.org/~ariff/test/ac97_msi.diff
>
>
> --
> Ariff Abdullah
> FreeBSD
>
> ... Recording in stereo is obviously too advanced
>     and confusing for us idiot ***** users :P ........

Thanks for all your efforts!
Works like a charm now.