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[Raymond <1521987@xxxxxxxxxxxxxxxxxx>]

Vt1708s is a 8 channel hda codec

If your motherboard have line out side jack (grey jack and side playback
volume control),

Headphone can be connected to node 0x16 or node 0x25,  either share
front or side playback volume control


Node 0x1d [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="Independent HP", index=0, device=0 
Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1 
Amp-Out vals: [0x80 0x80] 
Pincap 0x0000233c: IN OUT HP Detect Vref caps: HIZ 50 100 
Pin Default 0x0221401f: [Jack] HP Out at Ext Front Conn = 1/8, Color = Green DefAssociation = 0x1, Sequence = 0xf 
Pin-ctls: 0xc0: OUT HP VREF_HIZ Unsolicited: tag=05, enabled=1 
Power states: D0 D1 D2 D3 
Power: setting=D0, actual=D0 

Connection: 2 
0x16* 0x25

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to pulseaudio in Ubuntu.
https://bugs.launchpad.net/bugs/1521987

Title:
  Sound is not automatically switched back from headphones to speakers

Status in pulseaudio package in Ubuntu:
  Incomplete

Bug description:
  When plugging in headphones, sound output is correctly switched from
  speakers (line out) to the headphones. When the headphones are
  unplugged, sound is NOT automatically switched back to the speakers.

  This bug started happening on my system after I upgraded from 14.04 to
  15.10 so it is a regression. Attached is pulseaudio log of what
  happens when I plug and unplug my headphones.

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