vt1708b only has 4 DAC.
the rear panel jacks support 5.1 and automute is disabled when
indepenent headphone switch is ON
the rear panel jacks support 7.1 when independent headphone switch is
OFF
seem bug in alsa driver if pulseaudio can probe surround7.1 profile
Simple mixer control 'Independent HP',0
Capabilities: enum
Items: 'OFF' 'ON'
Item0: 'ON'
profiles:
output:analog-stereo: Analog Stereo Output (priority 6000)
output:analog-stereo+input:analog-stereo: Analog Stereo Duplex
(priority 6060)
output:analog-surround-40: Analog Surround 4.0 Output (priority
700)
output:analog-surround-40+input:analog-stereo: Analog Surround
4.0 Output + Analog Stereo Input (priority 760)
output:analog-surround-41: Analog Surround 4.1 Output (priority
800)
output:analog-surround-41+input:analog-stereo: Analog Surround
4.1 Output + Analog Stereo Input (priority 860)
output:analog-surround-50: Analog Surround 5.0 Output (priority
700)
output:analog-surround-50+input:analog-stereo: Analog Surround
5.0 Output + Analog Stereo Input (priority 760)
output:analog-surround-51: Analog Surround 5.1 Output (priority
800)
output:analog-surround-51+input:analog-stereo: Analog Surround
5.1 Output + Analog Stereo Input (priority 860)
output:analog-surround-71: Analog Surround 7.1 Output (priority
700)
output:analog-surround-71+input:analog-stereo: Analog Surround
7.1 Output + Analog Stereo Input (priority 760)
output:iec958-stereo: Digital Stereo (IEC958) Output (priority
5500)
output:iec958-stereo+input:analog-stereo: Digital Stereo
(IEC958) Output + Analog Stereo Input (priority 5560)
input:analog-stereo: Analog Stereo Input (priority 60)
off: Off (priority 0)
active profile: <output:analog-stereo+input:analog-stereo>
sinks:
alsa_output.pci-0000_00_1b.0.analog-stereo/#0: Built-in Audio
Analog Stereo
sources:
alsa_output.pci-0000_00_1b.0.analog-stereo.monitor/#0: Monitor
of Built-in Audio Analog Stereo
alsa_input.pci-0000_00_1b.0.analog-stereo/#1: Built-in Audio
Analog Stereo
ports:
analog-output: Analog Output (priority 9900, available: unknown)
properties:
analog-output-headphones: Headphones (priority 9000, available:
unknown)
properties:
analog-input-microphone-front: Front Microphone (priority 8500,
available: no)
properties:
analog-input-microphone-rear: Rear Microphone (priority 8200,
available: yes)
properties:
analog-input-linein: Line In (priority 8100, available: yes)
properties:
iec958-stereo-output: Digital Output (S/PDIF) (priority 0,
available: unknown)
properties:
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: VT1708B 8-Ch Analog [VT1708B 8-Ch Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 1: VT1708B 8-Ch Digital [VT1708B 8-Ch Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 2: VT1708B 8-Ch HP [VT1708B 8-Ch HP]
Subdevices: 1/1
Subdevice #0: subdevice #0
Node 0x1d [Pin Complex] wcaps 0x40058d: Stereo Amp-Out
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
Control: name="Independent HP", index=0, device=0
Control: name="Front Headphone Jack", index=0, device=0
Amp-Out caps: ofs=0x1b, nsteps=0x1b, stepsize=0x06, mute=1
Amp-Out vals: [0x1b 0x1b]
Pincap 0x0000001c: OUT HP Detect
Pin Default 0x0221401f: [Jack] HP Out at Ext Front
Conn = 1/8, Color = Green
DefAssociation = 0x1, Sequence = 0xf
Pin-ctls: 0xc0: OUT HP
Unsolicited: tag=01, enabled=1
Power states: D0 D1 D2 D3
Power: setting=D0, actual=D0
Connection: 2
0x16 0x25*
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https://bugs.launchpad.net/bugs/1083629
Title:
[HDA-Intel - HDA Intel, playback] No sound at all/no picture
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