[pulseaudio-discuss] pavucontrol. Also Nvidia HDMI

Kelly Anderson kelly at silka.with-linux.com
Wed Feb 23 07:03:58 PST 2011

On 02/21/11 17:46, Christopher K. wrote:
> My second question is about sound over hdmi with an Nvidia GTX460
> (NVC4 /GF104 family):
> aplay -L gives
> hdmi:CARD=NVidia,DEV=0   ->  pcm3p/
> hdmi:CARD=NVidia,DEV=1   ->  pcm7p/
> hdmi:CARD=NVidia,DEV=2   ->  pcm8p/
> hdmi:CARD=NVidia,DEV=3   ->  pcm9p/
> but only pcm7p actually does anything.
> So currently I use
> load-module module-alsa-sink device=hw:1,7
> to add a sink, but PA automatically adds pcm3p as "GF104 High
> Definition Audio Controller Digital Stereo (HDMI)",
> so I effectively have two nvidia-hdmi sinks, one of which does
> absolutely nothing.
> Is there any way to disable the automatically added sink OR define
> which device to chose as default?

What you want to do is add probe_mask to your snd-hda-intel module 
options.  If you google nvidia hdmi probe_mask you can find an explanation.

For example I have in /etc/modprobe.d/snd_hda_intel.conf:

options snd-hda-intel probe_mask=0x102

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