alsa-lib/src/conf/cards/CMI8738-MC6.conf

#
# Configuration for the CMI8738 chip with 4/6 multi-channel support
#

<confdir:pcm/front.conf>

CMI8738-MC6.pcm.front.0 {
	@args [ CARD ]
	@args.CARD {
		type string
	}
	type hw
	card $CARD
	device 0
}	

<confdir:pcm/rear.conf>

# 2nd DAC
# FIXME: we need a volume attenuator for rear channel.
CMI8738-MC6.pcm.rear.0 {
	@args [ CARD ]
	@args.CARD {
		type string
	}
	type hw
	card $CARD
	device 1
}

<confdir:pcm/surround40.conf>

CMI8738-MC6.pcm.surround40.0 {
	@args [ CARD ]
	@args.CARD {
		type string
	}
	type hooks
	slave.pcm {
		type hw
		card $CARD
		device 1
	}
	hooks.0 {
		type ctl_elems
		hook_args [
			{
				name "Four Channel Mode"
				lock true
				preserve true
				value false
			}
		]
	}
}	


<confdir:pcm/surround41.conf>
<confdir:pcm/surround50.conf>
<confdir:pcm/surround51.conf>

CMI8738-MC6.pcm.surround51.0 "cards.CMI8738-MC6.pcm.surround40.0"

<confdir:pcm/iec958.conf>

CMI8738-MC6.pcm.iec958.0 {
	@args [ CARD AES0 AES1 AES2 AES3 ]
	@args.CARD {
		type string
	}
	@args.DEV {
		type integer
	}
	@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 PCM Stream"
				device 2
				lock true
				preserve true
				value [ $AES0 $AES1 $AES2 $AES3 ]
			}
		]
	}
}