[alsa-devel] Alsa 1.0.13 (and others) does not work on ALC880

[Tobin Davis]

Try "probe_mask=3".  That should enable the audio and modem codec to see
if it is the cause of these issues. If it is, there is an issue with it.
If not, it's in the probe routine.

Tobin

On Sat, 2007-05-19 at 19:22 +0200, E.D.V. wrote:

> Well, on this laptop (D900t Eurocom) BIOS modification is very limited,
> and it is not possible to modify or switch codecs, so as I think it is
> enabled it is not possible to disable it ...
> 
> Takashi Iwai a écrit :
> > At Sat, 19 May 2007 02:08:14 -0500 (CDT),
> > Andrew Callan wrote:
> >   
> >> I have been without sound using Fedora Core ever since the 2.6.16 or
> >> 2.6.17 kernel update (2.6.16 crashed during initialization, so I could not
> >> tell whether sound worked or not).  It had worked well through the 2.6.15
> >> Fedora kernels.  I finally sat down tonight to work the problem as hard as
> >> I could and happened upon Eric and Tobin's timely exchange.
> >>
> >> First, simply adding probe_mask=1 to the snd-hda-intel options worked for
> >> me as well; I did not end up having to specify a specific model.
> >>
> >> Second, I too was seeing a LONG hang when trying to do:
> >> cat /proc/asound/card0/codec#0
> >> but now with the probe_mask=1, I do not see this.
> >>
> >> If it helps, the alsa-info.sh output for my system is at
> >> http://pastebin.ca/496293
> >> If it makes any difference, I'm not sure which model I had specified on
> >> the modprobe line at the time I captured this output.
> >>
> >> One thing I do notice is that after adding probe_mask=1, aplay -l does not
> >> show the Si3054 Modem which shows up in the alsa-info output.
> >>
> >> Thanks for the help you gave in the thread with Eric.
> >>
> >> Andrew
> >>     
> >
> > Interesting.  I've seen similar reports that probe_mask helps.
> > Do you disable the modem codec on BIOS or is it enabled?
> >
> > If this happens even though it's enabled on BIOS, we'd need a
> > blacklist of non-working devices, or a more robust probing routine...
> >
> >
> > Takashi
> > _______________________________________________
> > Alsa-devel mailing list
> > Alsa-devel at alsa-project.org
> > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
> >   
> 
> 
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-- 
Tobin Davis <tdavis at dsl-only.net>