/usr/share/alsa/ucm/GoogleNyan/HiFi.conf is in libasound2-data 1.1.3-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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EnableSequence [
cdev "hw:GoogleNyan"
cset "name='Left Speaker Mixer Left DAC Switch' on"
cset "name='Right Speaker Mixer Right DAC Switch' on"
cset "name='Headphone Left Switch' on"
cset "name='Headphone Right Switch' on"
cset "name='Digital EQ 3 Band Switch' off"
cset "name='Digital EQ 5 Band Switch' off"
cset "name='Digital EQ 7 Band Switch' off"
cset "name='Biquad Switch' off"
cset "name='Filter Mode' Music"
cset "name='ADC Oversampling Rate' 0"
cset "name='DMIC Mux' DMIC"
cset "name='MIC2 Mux' IN34"
cset "name='Right ADC Mixer MIC2 Switch' on"
cset "name='Left ADC Mixer MIC2 Switch' on"
cset "name='MIC2 Volume' 10"
cset "name='MIC2 Boost Volume' 0"
cset "name='Mic Jack Switch' off"
cset "name='Int Mic Switch' on"
cset "name='ADCR Boost Volume' 4"
cset "name='ADCL Boost Volume' 4"
cset "name='ADCR Volume' 11"
cset "name='ADCL Volume' 11"
cset "name='Left Speaker Mixer Left DAC Switch' on"
cset "name='Right Speaker Mixer Right DAC Switch' on"
cset "name='Speaker Left Mixer Volume' 2"
cset "name='Speaker Right Mixer Volume' 2"
cset "name='Record Path DC Blocking' on"
cset "name='Playback Path DC Blocking' on"
cset "name='Headphone Left Switch' on"
cset "name='Headphone Right Switch' on"
cset "name='Headphones Switch' off"
cset "name='Speaker Left Switch' on"
cset "name='Speaker Right Switch' on"
cset "name='Speakers Switch' on"
]
DisableSequence [
]
}
SectionDevice."Headphone".0 {
Value {
OutputDspName ""
}
EnableSequence [
cdev "hw:GoogleNyan"
cset "name='Speakers Switch' off"
cset "name='Headphones Switch' on"
]
DisableSequence [
cdev "hw:GoogleNyan"
cset "name='Headphones Switch' off"
cset "name='Speakers Switch' on"
]
}
SectionDevice."Mic".0 {
Value {
CaptureControl "MIC2"
}
EnableSequence [
cdev "hw:GoogleNyan"
cset "name='Int Mic Switch' off"
cset "name='DMIC Mux' ADC"
cset "name='Mic Jack Switch' on"
cset "name='Record Path DC Blocking' on"
]
DisableSequence [
cdev "hw:GoogleNyan"
cset "name='Mic Jack Switch' off"
cset "name='DMIC Mux' DMIC"
cset "name='Int Mic Switch' on"
cset "name='Record Path DC Blocking' off"
]
}
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