[alsa-devel] HDA - Add more support for Dell systems.

Takashi Iwai tiwai at suse.de
Tue Aug 21 14:27:47 CEST 2007

At Tue, 21 Aug 2007 10:51:12 +0200,
Michael Gerdau wrote:
> > > I did.  It worked yesterday according to Michael Gerdau, but apparently it
> > > doesn't today.
> > 
> > Well, that's what I wondered.
> > 
> > Michael, could you check the default pincfg entries in
> > /proc/asound/card0/codec#* whether they really match with the values
> > in patch_sigmatel.c?
> Ok, took me some more time (didn't want to test while almost asleep...)
> /proc/asound/card0/codec#* _do_ reflect the pincfg entries as of
> patch_sigmatel.c
> I also once again have my sound working with both Dell-XPS.patch (the
> one I originally tested) as well as the later version Dell.patch. I
> also have a working LFE control with both patches.
> I have not yet a clear understanding why I did not have sound and LFE
> yesterday. However the thing that's different is that yesterday morning
> I booted into a kernel with the patched alsa and did no other alsa mod
> unload/load until I reverted the patch (when I got back my sound).
> When doing my initial test as well as todays test I booted into the
> pristine hg20070818 (or hg20070817 back then) driver and loaded the
> patched modules via '/etc/init.d/alsasound restart'.
> I can't reboot the machine until about 16:00 today to check whether
> booting into the patched driver does make a difference or not but I
> will do so this afternoon and report my results (of course this could
> be a red hering).
> FYI I've attached /proc/asound/card0/codec#* to this mail in case that
> is of interest.

OK, I'll let people playing the individual patch for one or two days.
If you or no other people find similar regressions, I'll merge Tobin's
latest patch to HG tree after that.



More information about the Alsa-devel mailing list