[pulseaudio-tickets] [Bug 79911] incoherent muting of GStreamer channels (mutes master, headphone and speaker, but unmutes only master)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=79911

--- Comment #7 from Raymond <superquad.vortex2 at gmail.com> ---
you need  to log the changes of alsa playback volume and switch made by
pulseaudio when it switch path

only the driver know which control belong to the audio path of headphone, line
out and speaker for business desktop, notebook or home desktop

https://launchpadlibrarian.net/166342784/alsa-info.txt.q27ddho7BC



Node 0x0a [Pin Complex] wcaps 0x400181: Stereo
  Control: name="Headphone Jack", index=0, device=0
  Pincap 0x0000001c: OUT HP Detect
  Pin Default 0x0421101f: [Jack] HP Out at Ext Right
    Conn = 1/8, Color = Black
    DefAssociation = 0x1, Sequence = 0xf
  Pin-ctls: 0xc0: OUT HP
  Unsolicited: tag=01, enabled=1
  Connection: 3
     0x10 0x11* 0x17

Node 0x0d [Pin Complex] wcaps 0x400181: Stereo
  Control: name="Speaker Phantom Jack", index=0, device=0
  Pincap 0x00000014: OUT Detect
  Pin Default 0x90170110: [Fixed] Speaker at Int N/A
    Conn = Analog, Color = Unknown
    DefAssociation = 0x1, Sequence = 0x0
    Misc = NO_PRESENCE
  Pin-ctls: 0x40: OUT
  Unsolicited: tag=00, enabled=0
  Connection: 3
     0x10* 0x11 0x17

Node 0x0f [Pin Complex] wcaps 0x400181: Stereo
  Control: name="Dock Line Out Jack", index=0, device=0
  Pincap 0x00000014: OUT Detect
  Pin Default 0x23011050: [Jack] Line Out at Sep Left
    Conn = 1/8, Color = Black
    DefAssociation = 0x5, Sequence = 0x0
  Pin-ctls: 0x40: OUT
  Unsolicited: tag=02, enabled=1
  Connection: 3
     0x10* 0x11 0x17
Node 0x10 [Audio Output] wcaps 0xd0c05: Stereo Amp-Out R/L
  Control: name="PCM Playback Volume", index=0, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=0
  Control: name="PCM Playback Switch", index=0, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=0
  Device: name="92HD71B7X Analog", type="Audio", device=0
  Amp-Out caps: N/A
  Amp-Out vals:  [0x6d 0x6d]
  Converter: stream=8, channel=0
  Power states: 
  Power: setting=D0, actual=D0
  Delay: 13 samples
Node 0x11 [Audio Output] wcaps 0xd0c05: Stereo Amp-Out R/L
  Control: name="Headphone Playback Volume", index=0, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=0
  Control: name="Headphone Playback Switch", index=0, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=0
  Amp-Out caps: N/A
  Amp-Out vals:  [0x6d 0x6d]
  Converter: stream=8, channel=0
  Power states: 
  Power: setting=D0, actual=D0
  Delay: 13 samples

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