Default Amp-Out caps: ofs=0x7f, nsteps=0x7f, stepsize=0x02, mute=1
The dB range is -95.25 to 0dB ( 127 steps and each step is 0.75dB)
But dB Min of virtual master changed to -99999.99 dB
control.3 {
iface MIXER
name 'Headphone Playback Volume'
index 1
value.0 127
value.1 127
comment {
access 'read write'
type INTEGER
count 2
range '0 - 127'
dbmin -9525
dbmax 0
dbvalue.0 0
dbvalue.1 0
}
}
control.25 {
iface MIXER
name 'Master Playback Volume'
value 101
comment {
access 'read write'
type INTEGER
count 1
range '0 - 127'
dbmin -9999999
dbmax 0
dbvalue.0 -1950
}
}
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https://bugs.launchpad.net/bugs/612125
Title:
[SigmaTel STAC9228] Sound card lies about mixer dB levels
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