this should be Mic boost with 3 steps
Node 0x07 [Pin Complex] wcaps 0x41040a: Mono Amp-In
Control: name="Internal Mic Capture Volume", index=0, device=0
ControlAmp: chs=3, dir=In, idx=0, ofs=0
Control: name="Internal Mic Phantom Jack", index=0, device=0
Amp-In caps: ofs=0x00, nsteps=0x03, stepsize=0x27, mute=0
Amp-In vals: [0x03]
Pincap 0x00001720: IN
Vref caps: HIZ 50 GRD 80
Pin Default 0x90a7003e: [Fixed] Mic at Int N/A
Conn = Analog, Color = Unknown
DefAssociation = 0x3, Sequence = 0xe
Pin-ctls: 0x24: IN VREF_80
Power states: D0 D3 EPSS
Power: setting=D0, actual=D0
Delay: 1 sample
control.5 {
iface MIXER
name 'Internal Mic Capture Volume'
value.0 3
value.1 3
comment {
access 'read write'
type INTEGER
count 2
range '0 - 3'
dbmin 0
dbmax 3000
dbvalue.0 3000
dbvalue.1 3000
}
}
control.6 {
iface MIXER
name 'Mic Capture Volume'
value.0 0
value.1 0
comment {
access 'read write'
type INTEGER
count 2
range '0 - 3'
dbmin 0
dbmax 3000
dbvalue.0 0
dbvalue.1 0
}
}
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https://bugs.launchpad.net/bugs/1127699
Title:
Internal microphone does not working in Dell 3420 with Ubuntu Raring
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