Comment 4 for bug 550655

jaakan@MYTH64:~$ ls -la /proc/asound/
total 0
dr-xr-xr-x 6 root root 0 2010-03-29 00:23 .
dr-xr-xr-x 213 root root 0 2010-03-28 21:38 ..
dr-xr-xr-x 6 root root 0 2010-03-29 00:23 card0
dr-xr-xr-x 2 root root 0 2010-03-29 00:23 card1
-r--r--r-- 1 root root 0 2010-03-29 00:23 cards
-r--r--r-- 1 root root 0 2010-03-29 00:23 devices
-r--r--r-- 1 root root 0 2010-03-29 00:23 hwdep
-r--r--r-- 1 root root 0 2010-03-29 00:23 modules
lrwxrwxrwx 1 root root 5 2010-03-29 00:23 NVidia -> card0
lrwxrwxrwx 1 root root 5 2010-03-29 00:23 NVidia_1 -> card1
dr-xr-xr-x 2 root root 0 2010-03-29 00:23 oss
-r--r--r-- 1 root root 0 2010-03-29 00:23 pcm
dr-xr-xr-x 2 root root 0 2010-03-29 00:23 seq
-r--r--r-- 1 root root 0 2010-03-29 00:23 timers
-r--r--r-- 1 root root 0 2010-03-29 00:23 version
jaakan@MYTH64:~$

jaakan@MYTH64:~$ cat /proc/asound/NVidia_1/codec#* | grep HDMI
  Pincap 0x09000094: OUT Detect HDMI
  Pin Default 0x18560010: [Jack] Digital Out at Int HDMI
  Pincap 0x09000094: OUT Detect HDMI
  Pin Default 0x18560010: [Jack] Digital Out at Int HDMI
  Pincap 0x09000094: OUT Detect HDMI
  Pin Default 0x18560010: [Jack] Digital Out at Int HDMI
  Pincap 0x09000094: OUT Detect HDMI
  Pin Default 0x18560010: [Jack] Digital Out at Int HDMI
jaakan@MYTH64:~$ cat /proc/asound/NVidia/codec#* | grep SPDIF
  Pin Default 0x014b7130: [Jack] SPDIF Out at Ext Rear

http://ubuntuforums.org/showthread.php?t=1324681

http://wiki.xbmc.org/index.php?title=HOW-TO_set_up_HDMI_audio_on_nVidia_GeForce_G210,_GT220,_or_GT240