chromebook-ucm-conf/stoney/acpd7219m98357/HiFi.conf

SectionDevice."Speaker" {
	Comment "Speaker"

	Value {
		PlaybackPriority 100
		PlaybackPCM "hw:${CardId},2"
	}
}

SectionDevice."Headphones" {
	Comment "Headphones"

	Value {
		PlaybackPriority 200
		PlaybackPCM "hw:${CardId},0"
		PlaybackMixerElem "Headphone"
		JackControl "Headphone Jack"
	}
	EnableSequence [
		cset "name='Headphone Switch' on"
	]
	DisableSequence [
		cset "name='Headphone Switch' off"
	]
}

SectionDevice."Mic" {
	Comment "Internal Microphone"

	Value {
		CapturePriority 100
		CapturePCM "hw:${CardId},4"
	}
}

SectionDevice."Headset" {
	Comment "Headset Microphone"

	Value {
		CapturePriority 200
		CapturePCM "hw:${CardId},1"
		CaptureMixerElem "Headset Mic"
		JackControl "Headset Mic Jack"
	}
	EnableSequence [
		cset "name='Headset Mic Switch' on"
		cset "name='Mic Switch' on"
	]
	DisableSequence [
		cset "name='Headset Mic Switch' off"
		cset "name='Mic Switch' off"
	]
}