[ 22.685811] sound hdaudioC1D0: autoconfig: line_outs=1
(0x16/0x0/0x0/0x0/0x0) type:line
[ 22.685814] sound hdaudioC1D0: speaker_outs=1 (0x14/0x0/0x0/0x0/0x0)
[ 22.685816] sound hdaudioC1D0: hp_outs=1 (0x15/0x0/0x0/0x0/0x0)
[ 22.685817] sound hdaudioC1D0: mono: mono_out=0x0
[ 22.685818] sound hdaudioC1D0: inputs:
[ 22.685820] sound hdaudioC1D0: Dock Mic=0x19
[ 22.685821] sound hdaudioC1D0: Mic=0x1a
[ 22.685823] sound hdaudioC1D0: Internal Mic=0x12
[ 22.709087] input: HDA Intel PCH Dock Mic as
/devices/pci0000:00/0000:00:1b.0/sound/card1/input13
[ 22.709144] input: HDA Intel PCH Mic as
/devices/pci0000:00/0000:00:1b.0/sound/card1/input14
[ 22.709194] input: HDA Intel PCH Dock Headphone as
/devices/pci0000:00/0000:00:1b.0/sound/card1/input15
[ 22.709569] input: HDA Intel PCH Headphone as
/devices/pci0000:00/0000:00:1b.0/sound/card1/input16
seem driver change dock headphone to line out
you have to file upstream bug report
Node 0x15 [Pin Complex] wcaps 0x40058d: Stereo Amp-Out
Control: name="Headphone Playback Switch", index=0, device=0
ControlAmp: chs=3, dir=Out, idx=0, ofs=0
Control: name="Headphone Jack", index=0, device=0
Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-Out vals: [0x00 0x00]
Pincap 0x0001001c: OUT HP EAPD Detect
EAPD 0x2: EAPD
Pin Default 0x0321101f: [Jack] HP Out at Ext Left
Conn = 1/8, Color = Black
DefAssociation = 0x1, Sequence = 0xf
Pin-ctls: 0xc0: OUT HP
Unsolicited: tag=01, enabled=1
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Connection: 2
0x0c 0x0d*
Node 0x16 [Pin Complex] wcaps 0x40058d: Stereo Amp-Out
Control: name="Line Out Playback Switch", index=0, device=0
ControlAmp: chs=3, dir=Out, idx=0, ofs=0
Control: name="Dock Headphone Jack", index=0, device=0
Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-Out vals: [0x00 0x00]
Pincap 0x0001001c: OUT HP EAPD Detect
EAPD 0x2: EAPD
Pin Default 0x411111f0: [N/A] Speaker at Ext Rear
Conn = 1/8, Color = Black
DefAssociation = 0xf, Sequence = 0x0
Misc = NO_PRESENCE
Pin-ctls: 0x40: OUT
Unsolicited: tag=02, enabled=1
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Connection: 2
0x0c* 0x0d
** Changed in: alsa-driver (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1462977
Title:
Thinkpad T440s - Sound muted when docked to docking station
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