编辑文件 - voice

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路径: /usr/share/alsa/ucm/SDP4430/voice
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# Use case Configuration for TI SDP4430 HiFi Music
# By Liam Girdwood <lrg@slimlogic.co.uk>

SectionVerb {
  	EnableSequence [
                cdev "hw:SDP4430"
		cset "name='DL1 Mixer Voice' 1"
		cset "name='Sidetone Mixer Playback' 1"
                cset "name='DL1 PDM Switch' 1"
		cset "name='DL1 Voice Playback Volume' 90,90"
                cset "name='SDT DL Volume' 120"
	]

DisableSequence [
                cdev "hw:SDP4430"
		cset "name='DL1 Mixer Voice' 0"
		cset "name='Sidetone Mixer Playback' 0"
                cset "name='DL1 PDM Switch' 0"
		cset "name='DL1 Voice Playback Volume' 0,0"
                cset "name='SDT DL Volume' 0"
	]

# Optional TQ and ALSA PCMs
	Value {
		TQ "Voice"
		PlaybackPCM "hw:0,2"
	}
}

SectionDevice."Headset".0 {
	Comment "SDP4430 3.5mm Headset"
	
	EnableSequence [
                cdev "hw:SDP4430"
                cset "name='HS Left Playback' 1"
                cset "name='HS Right Playback' 1"
                cset "name='Headset Playback Volume' 13"
	]

DisableSequence [
                cdev "hw:SDP4430"
		cset "name='HS Right Playback' 0"
		cset "name='HS Left Playback' 0"
                cset "name='Headset Playback Volume' 0"
	]
}

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