Ubuntu
pulseaudio package

  1. Bug #1254884
  2. Comment #35

Comment 35 for bug 1254884

Revision history for this message
Raymond (superquad-vortex2) wrote : Re: Pulseaudio: incoherent muting of GStreamer channels (mutes master, headphone and speaker, but unmutes only master)

http://www.idt.com/products/audio-products/high-definition-hd-audio-codecs/92hd71b-four-channel-hd-audio-codec

Codec: IDT 92HD71B7X does not have any mute switch at the pin complex

the driver just set pin ctl to 0 to mute the speaker when headphone is plugged

this mean that pulseaudio cannot find any speaker playback switch to mute/unmute the speaker when headphone is plugged

Simple mixer control 'Headphone',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 127
  Mono:
  Front Left: Playback 127 [100%] [0.00dB] [on]
  Front Right: Playback 127 [100%] [0.00dB] [on]
Simple mixer control 'PCM',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 127
  Mono:
  Front Left: Playback 127 [100%] [0.00dB] [on]
  Front Right: Playback 127 [100%] [0.00dB] [on]