csu3_am335x/linux-devkit/sysroots/armv7ahf-neon-linux-gnueabi/usr/share/alsa/cards/CS46xx.conf

#
# Configuration for the CS46xx chip
#

<confdir:pcm/front.conf>

CS46xx.pcm.front.0 {
	@args [ CARD  ]
	@args.CARD {
		type string
	}
	type hw
	card $CARD
}	

# default with plughw
# CS46xx supports multi-playback
CS46xx.pcm.default {
	@args [ CARD ]
	@args.CARD {
		type string
	}
	type asym
	playback.pcm {
		type plug
		slave.pcm {
			@func concat
			strings [ "hw:" $CARD ]
		}
	}
	capture.pcm {
		type plug
		slave.pcm {
			@func concat
			strings [ "hw:" $CARD ]
		}
	}
}

<confdir:pcm/rear.conf>

CS46xx.pcm.rear.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 "Duplicate Front"
				lock true
				preserve true
				value 0
				optional true
			}
		]
	}
}	

<confdir:pcm/center_lfe.conf>

CS46xx.pcm.center_lfe.0 {
	@args [ CARD ]
	@args.CARD {
		type string
	}
	type hw
	card $CARD
	device 3
}	

<confdir:pcm/surround40.conf>

CS46xx.pcm.surround40.0 {
	@args [ CARD ]
	@args.CARD {
		type string
	}
	type multi
	slaves [
		{
			pcm {
				@func concat
				strings [
					"cards.CS46xx.pcm.front.0:CARD=" $CARD
				]
			}
			channels 2
		}
		{
			pcm {
				@func concat
				strings [
					"cards.CS46xx.pcm.rear.0:CARD=" $CARD
				]
			}
			channels 2
		}
	]
	bindings [
		{ slave 0 channel 0 }
		{ slave 0 channel 1 }
		{ slave 1 channel 0 }
		{ slave 1 channel 1 }
	]
}

<confdir:pcm/surround21.conf>
<confdir:pcm/surround41.conf>
<confdir:pcm/surround50.conf>
<confdir:pcm/surround51.conf>

CS46xx.pcm.surround51.0 {
	@args [ CARD ]
	@args.CARD {
		type string
	}
	type multi
	slaves [
		{
			pcm {
				@func concat
				strings [
					"cards.CS46xx.pcm.front.0:CARD=" $CARD
				]
			}
			channels 2
		}
		{
			pcm {
				@func concat
				strings [
					"cards.CS46xx.pcm.rear.0:CARD=" $CARD
				]
			}
			channels 2
		}
		{
			pcm {
				@func concat
				strings [
					"cards.CS46xx.pcm.center_lfe.0:CARD=" $CARD
				]
			}
			channels 2
		}
	]
	bindings [
		{ slave 0 channel 0 }
		{ slave 0 channel 1 }
		{ slave 1 channel 0 }
		{ slave 1 channel 1 }
		{ slave 2 channel 0 }
		{ slave 2 channel 1 }
	]
}

<confdir:pcm/iec958.conf>

CS46xx.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 hooks
	slave.pcm {
		type hw
		card $CARD
		device 2
	}
	hooks.0 {
		type ctl_elems
		hook_args [
			{
				name "IEC958 Output Switch"
				lock true
				preserve true
				value 1
			}
			{
				interface PCM
				name "IEC958 Playback PCM Stream"
				device 2
				lock true
				preserve true
				optional true
				value [ $AES0 $AES1 $AES2 $AES3 ]
			}
			{
				# for compatibility with older drivers
				interface PCM
				name "IEC958 Playback PCM Stream"
				lock true
				preserve true
				optional true
				value [ $AES0 $AES1 $AES2 $AES3 ]
			}
		]
	}
}