This file is indexed.

/usr/share/alsa/ucm/tegra-rt5640/HiFi is in libasound2-data 1.0.28-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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# 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"
	}
}