/usr/share/alsa/ucm/tegra-rt5640/HiFi is in libasound2-data 1.0.27.2-3ubuntu7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 | # Use case Configuration for Nexus 7
# Adapted to Ubuntu Touch by David Henningsson <david.henningsson@canonical.com>
SectionVerb {
EnableSequence [
]
DisableSequence [
]
# ALSA PCM
Value {
# ALSA PCM device for HiFi
PlaybackPCM "hw:tegrart5640"
CapturePCM "hw:tegrart5640"
}
}
SectionDevice."Headphones" {
Comment "Headphones playback"
ConflictingDevice [
"Speaker"
]
EnableSequence [
cdev "hw:tegrart5640"
cset "name='Headphone Jack Switch' on"
cset "name='HP Playback Switch' on"
cset "name='HP Playback Volume' 29"
]
DisableSequence [
cdev "hw:tegrart5640"
cset "name='Headphone Jack Switch' on"
cset "name='HP Playback Switch' off"
cset "name='HP Playback Volume' 0"
]
Value {
PlaybackChannels "2"
}
}
SectionDevice."Speaker" {
Comment "Speaker playback"
ConflictingDevice [
"Headphones"
]
EnableSequence [
cdev "hw:tegrart5640"
cset "name='Int Spk Switch' on"
cset "name='Speaker Playback Switch' on"
cset "name='Speaker Playback Volume' 29"
]
DisableSequence [
cdev "hw:tegrart5640"
cset "name='Int Spk Switch' off"
cset "name='Speaker Playback Switch' off"
cset "name='Speaker Playback Volume' 0"
]
Value {
PlaybackChannels "2"
}
}
SectionDevice."Handset" {
Comment "Main Microphone"
EnableSequence [
cdev "hw:tegrart5640"
cset "name='ADC Switch' on"
cset "name='ADC Capture Switch' on"
cset "name='ADC Capture Volume' 100"
cset "name='ADC Boost Gain' 1"
cset "name='DMIC Switch' DMIC1"
cset "name='Int Mic Switch' on"
]
DisableSequence [
cdev "hw:tegrart5640"
cset "name='ADC Switch' off"
cset "name='ADC Capture Switch' off"
cset "name='Int Mic Switch' off"
]
Value {
CaptureChannels "2"
}
}
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