http://cgit.freedesktop.org/pulseaudio/pulseaudio/tree/src/modules/alsa/mixer/paths
you have to ask pulseaudio developer which conf is designed for desktop line
out since some desktop (e.g. Lenovo think center has internal speaker)
do your computer chassis have hda front audio panel with Jack detection ?
6stack model disable HP jack detection
update alsa driver to latest development
there should be headphone phantom port if Misc = NO_PRESENCE at node
0x1b
Node 0x14 [Pin Complex] wcaps 0x40018d: Stereo Amp-Out
Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-Out vals: [0x00 0x00]
Pincap 0x0000003f: IN OUT HP Detect Trigger ImpSense
Pin Default 0x01014120: [Jack] Line Out at Ext Rear
Conn = 1/8, Color = Green
DefAssociation = 0x2, Sequence = 0x0
Misc = NO_PRESENCE
Pin-ctls: 0x40: OUT
Unsolicited: tag=00, enabled=0
Connection: 1
0x0c
Node 0x1b [Pin Complex] wcaps 0x40018d: Stereo Amp-Out
Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-Out vals: [0x00 0x00]
Pincap 0x0000133f: IN OUT HP Detect Trigger ImpSense
Vref caps: HIZ 50 80
Pin Default 0x00214150: [Jack] HP Out at Ext N/A
Conn = 1/8, Color = Green
DefAssociation = 0x5, Sequence = 0x0
Misc = NO_PRESENCE
Pin-ctls: 0xc0: OUT HP VREF_HIZ
Unsolicited: tag=00, enabled=0
Connection: 1
0x13
Default sample spec: s16le 2ch 44100Hz
Default channel map: front-left,front-right
Default sink name: alsa_output.pci-0000_00_1b.0.iec958-stereo
Default source name: alsa_input.pci-0000_00_1b.0.analog-stereo
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https://bugs.launchpad.net/bugs/1113773
Title:
[ASUS P5GD1-VM, Realtek ALC880, Green Line Out, Rear] No sound at all
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