File: //usr/share/alsa/ucm2/codecs/rt5640/HeadsetMic.conf
SectionDevice."Headset" {
	Comment "Headset Microphone"
	ConflictingDevice [
		"Mic"
	]
	EnableSequence [
		cset "name='Headset Mic Switch' on"
		cset "name='RECMIXL BST2 Switch' on"
		cset "name='RECMIXR BST2 Switch' on"
		cset "name='Stereo ADC MIXL ADC1 Switch' on"
		cset "name='Stereo ADC MIXR ADC1 Switch' on"
		cset "name='Mono ADC MIXL ADC1 Switch' on"
		cset "name='Mono ADC MIXR ADC1 Switch' on"
		cset "name='Mono ADC Capture Switch' on"
	]
	DisableSequence [
		cset "name='Stereo ADC MIXL ADC1 Switch' off"
		cset "name='Stereo ADC MIXR ADC1 Switch' off"
		cset "name='RECMIXL BST2 Switch' off"
		cset "name='RECMIXR BST2 Switch' off"
		cset "name='Headset Mic Switch' off"
		cset "name='Mono ADC MIXL ADC1 Switch' off"
		cset "name='Mono ADC MIXR ADC1 Switch' off"
		cset "name='Mono ADC Capture Switch' off"
	]
	Value {
		CapturePriority 200
		CapturePCM "hw:${CardId}"
		JackControl "Headset Mic Jack"
	}
}