Ok, so there is indeed some improvement. That's good. Now for the
automute - which I understand is the remaining problem? - here's what
*should* be happening:
Look at /proc/asound/SB/codec#0
Node 0x14 is the front line out. Whenever you plug headphones in, the
"OUT" status should turn off, and then it should be turned on again when
you unplug. That should then mute/unmute the line out. Like this:
Node 0x14 [Pin Complex] wcaps 0x40058d: Stereo Amp-Out
Control: name="Front Playback Switch", index=0, device=0
ControlAmp: chs=3, dir=Out, idx=0, ofs=0
Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-Out vals: [0x00 0x00]
Pincap 0x0001003e: IN OUT HP EAPD Detect Trigger
EAPD 0x2: EAPD
Pin Default 0x01014010: [Jack] Line Out at Ext Rear
Conn = 1/8, Color = Green
DefAssociation = 0x1, Sequence = 0x0
Pin-ctls: 0x40: OUT <----------------------------------------- Headphones not
plugged in, OUT present
Unsolicited: tag=00, enabled=0
Power states: D0 D1 D2 D3
Power: setting=D0, actual=D0
Connection: 1
0x0c
Node 0x14 [Pin Complex] wcaps 0x40058d: Stereo Amp-Out
Control: name="Front Playback Switch", index=0, device=0
ControlAmp: chs=3, dir=Out, idx=0, ofs=0
Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-Out vals: [0x00 0x00]
Pincap 0x0001003e: IN OUT HP EAPD Detect Trigger
EAPD 0x2: EAPD
Pin Default 0x01014010: [Jack] Line Out at Ext Rear
Conn = 1/8, Color = Green
DefAssociation = 0x1, Sequence = 0x0
Pin-ctls: 0x00: <-------------------------------------------------------
Headphones plugged in, "OUT" is now disabled from line out
Unsolicited: tag=00, enabled=0
Power states: D0 D1 D2 D3
Power: setting=D0, actual=D0
Connection: 1
0x0c
Also ensure "Automute mode" is set to "Enabled" in alsamixer.
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https://bugs.launchpad.net/bugs/871582
Title:
M4A89GTD_PRO_USB3/Realtek ALC892, Green Headphone Out, Front] Playback
problem
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