[alsa-devel] Asus P5QL-EM motherboard (ALC1200 codec) - no sound through S/PDIF

Andrei Tanas andrei at tanas.ca
Thu Nov 13 15:38:37 CET 2008

One unexpected thing is that "PCM Out" is not listed as a capability of
IEC958 control (as shown by amixer):

Simple mixer control 'IEC958',0
  Capabilities: pswitch pswitch-joined cswitch cswitch-joined
  Playback channels: Mono
  Capture channels: Mono
  Mono: Playback [on] Capture [off]
Simple mixer control 'IEC958 Default PCM',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [on]

Is that normal?

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