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: / proc / self / root / usr / share / alsa / cards /

Filename : vc4-hdmi.conf

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#
# Configuration for the VC4-HDMI sound card using software IEC958
# subframe conversion
#

<confdir:pcm/front.conf>

vc4-hdmi.pcm.front.0 {
	@args [ CARD ]
	@args.CARD {
		type string
	}
	type hw
	card $CARD
}

# default with dmix
vc4-hdmi.pcm.default {
	@args [ CARD ]
	@args.CARD {
		type string
	}
	type asym
	playback.pcm {
		type plug
		slave.pcm {
			@func concat
			strings [ "dmix:" $CARD ]
		}
	}
}

<confdir:pcm/iec958.conf>

vc4-hdmi.pcm.iec958.0 {
	@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 iec958
	slave {
		format IEC958_SUBFRAME_LE
		pcm {
			type plug
			slave.pcm {
				type hw
				card $CARD
			}
		}
	}
	status [ $AES0 $AES1 $AES2 $AES3 ]
}