Comment 6 for bug 1565420

You have to file upstream bug report at bugzilla.kernel.org since driver one hp jack to line out, one of them may be dock hp

0x1b [Pin Complex] wcaps 0x40058f: Stereo Amp-In Amp-Out
Control: name="Line Out Playback Switch", index=0, device=0
ControlAmp: chs=3, dir=Out, idx=0, ofs=0 Amp-In caps: ofs=0x00, nsteps=0x03, stepsize=0x2f, mute=0
Amp-In vals: [0x00 0x00]
Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-Out vals: [0x00 0x00]
Pincap 0x0000373c: IN OUT HP Detect
Vref caps: HIZ 50 GRD 80 100
Pin Default 0x04214020: [Jack] HP Out at Ext Right Conn = 1/8, Color = Green DefAssociation = 0x2, Sequence = 0x0
Pin-ctls: 0x00: VREF_HIZ
Unsolicited: tag=01, enabled=1
Power states: D0 D1 D2 D3 EPSS
Power: setting=D3, actual=D3
Connection: 2
0x0c 0x0d*

 Node 0x21 [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
Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-Out vals: [0x00 0x00]
 Pincap 0x0000001c: OUT HP Detect
Pin Default 0x0321401f: [Jack] HP Out at Ext Left Conn = 1/8, Color = Green DefAssociation = 0x1, Sequence = 0xf
Pin-ctls: 0xc0: OUT HP
Unsolicited: tag=02, enabled=1
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Connection: 2
0x0c 0x0d*