Comment 2 for bug 943386

Simple mixer control 'Channel Mode',0
  Capabilities: enum
  Items: '2ch' '4ch' '6ch'
  Item0: '6ch'

this control retask the line in and mic jack as output for surround 5.1

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since it should disabl uto mic selection and change the jack state of mic jack and line in jack to false

Node 0x18 [Pin Complex] wcaps 0x40018f: Stereo Amp-In Amp-Out
  Control: name="Mic Boost Volume", index=0, device=0
    ControlAmp: chs=3, dir=In, idx=0, ofs=0
  Amp-In caps: ofs=0x00, nsteps=0x03, stepsize=0x27, mute=0
  Amp-In vals: [0x03 0x03]
  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 0x02a19c30: [Jack] Mic at Ext Front
    Conn = 1/8, Color = Pink
    DefAssociation = 0x3, Sequence = 0x0
  Pin-ctls: 0x40: OUT VREF_HIZ
  Unsolicited: tag=00, enabled=0
  Connection: 5
     0x0c 0x0d 0x0e* 0x0f 0x26

Node 0x1a [Pin Complex] wcaps 0x40018f: Stereo Amp-In Amp-Out
  Amp-In caps: ofs=0x00, nsteps=0x03, stepsize=0x27, 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 0x0281343f: [Jack] Line In at Ext Front
    Conn = 1/8, Color = Blue
    DefAssociation = 0x3, Sequence = 0xf
  Pin-ctls: 0x40: OUT VREF_HIZ
  Unsolicited: tag=00, enabled=0
  Connection: 5
     0x0c 0x0d* 0x0e 0x0f 0x26