if the driver implement auto mic selection. those mic capture switch is
meaningless
Node 0x1a [Audio Input] wcaps 0x100d0b: Stereo Amp-In R/L
Control: name="Dock Mic Capture Volume", index=0, device=0
ControlAmp: chs=3, dir=In, idx=2, ofs=0
Control: name="Dock Mic Capture Switch", index=0, device=0
ControlAmp: chs=3, dir=In, idx=2, ofs=0
Control: name="Mic Capture Volume", index=0, device=0
ControlAmp: chs=3, dir=In, idx=1, ofs=0
Control: name="Mic Capture Switch", index=0, device=0
ControlAmp: chs=3, dir=In, idx=1, ofs=0
Control: name="Internal Mic Capture Volume", index=0, device=0
ControlAmp: chs=3, dir=In, idx=4, ofs=0
Control: name="Internal Mic Capture Switch", index=0, device=0
ControlAmp: chs=3, dir=In, idx=4, ofs=0
Device: name="CONEXANT Analog", type="Audio", device=0
Amp-In caps: ofs=0x00, nsteps=0x17, stepsize=0x05, mute=1
Amp-In vals: [0x80 0x80] [0x00 0x00] [0x00 0x00] [0x00 0x00] [0x00 0x00]
Converter: stream=1, channel=0
SDI-Select: 0
Power states: D0 D1 D2 D3
Power: setting=D0, actual=D0
Connection: 5
0x17 0x14 0x12 0x11 0x15*
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https://bugs.launchpad.net/bugs/886975
Title:
Lenovo sound chip Conexant CX20549 Venice doesn't work correctly.
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