Comment 47 for bug 1225789

the volume control from audio output 0x10 was removed and amp in is set to 0 dB
 as ofs = 0x17 but it is strabye that the amp in from another audio output 0x13 is also set to 0 dB

Node 0x17 [Audio Mixer] wcaps 0x20010b: Stereo Amp-In
  Control: name="Mic Playback Volume", index=0, device=0
    ControlAmp: chs=3, dir=In, idx=2, ofs=0
  Control: name="Mic Playback Switch", index=0, device=0
    ControlAmp: chs=3, dir=In, idx=2, ofs=0
  Amp-In caps: ofs=0x17, nsteps=0x1f, stepsize=0x06, mute=1
  Amp-In vals: [0x17 0x17] [0x80 0x80] [0x96 0x96] [0x80 0x80] [0x80 0x80] [0x17 0x17]
  Connection: 6
     0x10 0x24 0x1d 0x1e 0x21 0x13