src/conf/cards/HdmiLpeAudio.conf

#
# Configuration for the Intel HDMI/DP LPE audio
#

HdmiLpeAudio.pcm.hdmi.0 {
	@args [ CARD AES0 AES1 AES2 AES3 ]
	@args.CARD {
		type string
	}
	@args.AES0 {
		type integer
	}
	@args.AES1 {
		type integer
	}
	@args.AES2 {
		type integer
	}
	@args.AES3 {
		type integer
	}
	type hooks
	slave.pcm {
		type hw
		card $CARD
	}
	hooks.0 {
		type ctl_elems
		hook_args [
			{
				interface PCM
				name "IEC958 Playback Default"
				device 0
				lock true
				preserve true
				value [ $AES0 $AES1 $AES2 $AES3 ]
			}
		]
	}
}

HdmiLpeAudio.pcm.hdmi.1 {
	@args [ CARD AES0 AES1 AES2 AES3 ]
	@args.CARD {
		type string
	}
	@args.AES0 {
		type integer
	}
	@args.AES1 {
		type integer
	}
	@args.AES2 {
		type integer
	}
	@args.AES3 {
		type integer
	}
	type hooks
	slave.pcm {
		type hw
		card $CARD
		device 1
	}
	hooks.0 {
		type ctl_elems
		hook_args [
			{
				interface PCM
				name "IEC958 Playback Default"
				device 1
				lock true
				preserve true
				value [ $AES0 $AES1 $AES2 $AES3 ]
			}
		]
	}
}

HdmiLpeAudio.pcm.hdmi.2 {
	@args [ CARD AES0 AES1 AES2 AES3 ]
	@args.CARD {
		type string
	}
	@args.AES0 {
		type integer
	}
	@args.AES1 {
		type integer
	}
	@args.AES2 {
		type integer
	}
	@args.AES3 {
		type integer
	}
	type hooks
	slave.pcm {
		type hw
		card $CARD
		device 2
	}
	hooks.0 {
		type ctl_elems
		hook_args [
			{
				interface PCM
				name "IEC958 Playback Default"
				device 2
				lock true
				preserve true
				value [ $AES0 $AES1 $AES2 $AES3 ]
			}
		]
	}
}