[gobolinux-users] kernel 2.6.22

[kenneth marken]

On Thursday 16 August 2007 18:07:14 kenneth marken wrote:
> On Thursday 16 August 2007 17:59:10 Isaac Dupree wrote:
> > kenneth marken wrote:
> > > i can confim that i have been seeing that odd sound issue. hell i even
> > > tried installing alsa drivers on its own alongside 2.6.21.x at one
> > > point.
> > >
> > > thing is that snd-hda-intel is a collection of drivers, and the no
> > > soundcard thing just indicates that alsa could not make heads or tails
> > > of the chip even if it in theory was a snd-hda-intel chip.
> > >
> > > for me the sound worked, but was weak. after playing around with some
> > > settings i found that passing a option that made the driver think i was
> > > using a targa laptop enhanced the sound. but it also seems to have
> > > killed my ability to mute sound :(
> > >
> > > all in all i suspect that snd-hda-intel is basically the winmodem of
> > > sound. they all label their motherboard with AC97 soundcard, but in
> > > reality you need a very specific driver to control that soundcard.
> > >
> > > best  i can suggest is to download the alsa-driver tar.gz, find the
> > > alsa-configuration.txt file inside alsa-kernel/Documentation in that
> > > tar.gz, and look at the snd-hda-intel section.
> > >
> > > there you will find a list of model names that you can compare with
> > > what you get with lspci and then just attempt to modprobe snd-hda-intel
> > > with the model= option until you find something that works for you, if
> > > anything.
> >
> > I tried
> > # rmmod snd_hda_intel
> > # modprobe snd_hda_intel model=macbook
> > which seems likely to be the right one since I have the newest model of
> > Macbook (mid 2007).  That didn't help.  I also tried with
> > model=targa-dig in case anything happened with that (nothing happened).
> > lspci gives
> >
> > 00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High
> > Definition Audio Controller (rev 02)
> >
> > which I couldn't match up with anything in that documentation (
> > http://www.alsa-project.org/
> > ftp://ftp.alsa-project.org/pub/driver/alsa-driver-1.0.14.tar.bz2
> > aunpack
> > alsa-driver-1.0.14/alsa-kernel/Documentation/ALSA-Configuration.txt
> > )
>
> sorry about that, i was giving bad advice.
>
> fire up alsamixer, up in the corner there should be a chip entry.
>
> at my place it says realtek ALC883, but i have no clue what it will say for
> you.
>
> also it seems that my enable_msi=1 was jumping the gun as it used the
> targa-dig option setting i had done in my modprobe.conf file (oops).
>
> all in all, it seems that snd-hda-intel is a bitch of a sound chip to work
> with...

bah, why didnt i try this before.

i had spotted a model=generic option in the text earlier. but i guessed that 
it was similar to model=auto. it isnt.

when i used model=generic, it seems to have gotten all the effects of 
model=targa-dig but with working mute :P