[Bug 1921452] Re: [SRU] alsa-lib: conf: USB - add "Cmedia Audio" to USB-Audio.pcm.iec958_device

[Mathew Hodson]

** Changed in: alsa-lib (Ubuntu Focal)
   Importance: Undecided => Low

** Changed in: alsa-lib (Ubuntu Groovy)
   Importance: Undecided => Low

** Changed in: alsa-lib (Ubuntu Hirsute)
   Importance: Undecided => Low

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Title:
  [SRU] alsa-lib: conf: USB - add "Cmedia Audio" to USB-
  Audio.pcm.iec958_device

Status in OEM Priority Project:
  In Progress
Status in alsa-lib package in Ubuntu:
  In Progress
Status in alsa-lib source package in Focal:
  In Progress
Status in alsa-lib source package in Groovy:
  In Progress
Status in alsa-lib source package in Hirsute:
  In Progress

Bug description:
  [Impact]
  On Cmedia Audio, unusable SPDIF can be selected as output from PulseAudio.

  [Fix]
  Disable IEC958 (SPDIF) through ALSA UCM.

  [Test]
  With the UCM applied, `pactl` and audio panel in gnome-control-center no longer have SPDIF option.

  [Where problems will occur]
  This fix limits to the Cmedia Audio only, other devices are unaffected.

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