Comment 12 for bug 1201528

do your computer chassis have hda front audio panel with Jack detection ?

do your BIOS have any option to set front audio panel type :hda or AC97 ?

MISC = NO_PRESENCE mean front audio panel has no Jack detection circuit

http://www.intel.com/support/motherboards/desktop/sb/cs-015851.htm

control.45 {
  iface CARD
  name 'Front Headphone Phantom Jack'
  value true
  comment {
   access read
   type BOOLEAN
   count 1
  }
 }
 control.46 {
  iface CARD
  name 'Front Mic Phantom Jack'
  value true
  comment {
   access read
   type BOOLEAN
   count 1
  }
 }

Node 0x15 [Pin Complex] wcaps 0x40018d: Stereo Amp-Out
  Control: name="Headphone Playback Switch", index=0, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=0
  Control: name="Front Headphone Phantom Jack", index=0, device=0
  Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-Out vals: [0x00 0x00]
  Pincap 0x0000003c: IN OUT HP Detect
  Pin Default 0x02214520: [Jack] HP Out at Ext Front
    Conn = 1/8, Color = Green
    DefAssociation = 0x2, Sequence = 0x0
    Misc = NO_PRESENCE
  Pin-ctls: 0xc0: OUT HP
  Unsolicited: tag=00, enabled=0
  Connection: 5
     0x0c 0x0d 0x0e 0x0f 0x26*