[gst-devel] [PATCH] [BUGFIX] Add PCM as master fall back for cards that do not have 'Master' mixer

René Stadler mail at renestadler.de
Wed Jan 2 20:59:49 CET 2008

Jerone Young schrieb:
> This patch fixes issue with ALSA drivers that enable sound cards that do not
> have a hardware 'Master' mixer. Instead on these cards there is only PCM as
> the master. This patch adds PCM as a fall back if 'Master' nor 'Front' mixers
> are found.
> The problem being caused is that tools such as gnome-volume-control
> & gnome-control-center are looking for a master they identify the microphone
> and not PCM. This is demonstrated on the Lenovo Thinkad T61 & X61 using AD1984
> chipset (using Intel HDA driver ALSA driver). This problem has also
> been seen a Sony Vaio S4XP.
> I've tested this patch on my Thinkpad T61 and it works perfect.
> Bugzillas reporting this issue are:
> https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/174292
> https://bugzilla.redhat.com/show_bug.cgi?id=344911

The (upstream) bugzilla of GStreamer is the one of GNOME; you should 
file the issue there:


> Signed-off-by: Jerone Young <jerone at gmail.com>

   René Stadler

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