--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/share/alsa/cards/SI7018.conf	Tue Mar 18 16:23:26 2025 -0400
@@ -0,0 +1,169 @@
+#
+# Configuration for the SI7018 chip
+#
+# This configuration does not reflect hardware.
+#
+
+<confdir:pcm/front.conf>
+
+SI7018.pcm.front.0 {
+	@args [ CARD ]
+	@args.CARD {
+		type string
+	}
+	type hw
+	card $CARD
+	chmap [ "UNKNOWN" "FL,FR" ]
+}	
+
+<confdir:pcm/rear.conf>
+
+SI7018.pcm.rear.0 {
+	@args [ CARD ]
+	@args.CARD {
+		type string
+	}
+        type hooks
+	slave.pcm {
+		type hw
+		card $CARD
+		chmap [ "UNKNOWN" "RL,RR" ]
+	}
+	hooks.0 {
+		type ctl_elems
+		hook_args [
+			{
+				name "PCM Playback Volume"
+				preserve true
+				lock true
+				value [ 24 24 ]
+			}
+		]
+	}
+}	
+
+<confdir:pcm/surround40.conf>
+
+SI7018.pcm.surround40.0 {
+	@args [ CARD ]
+	@args.CARD {
+		type string
+	}
+	type multi
+	slaves [
+		{
+			pcm {
+				@func concat
+				strings [
+					"cards.SI7018.pcm.front.0:CARD=" $CARD
+				]
+			}
+			channels 2
+		}
+		{
+			pcm {
+				@func concat
+				strings [
+					"cards.SI7018.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>
+
+SI7018.pcm.surround51.0 {
+	@args [ CARD ]
+	@args.CARD {
+		type string
+	}
+	type multi
+	slaves [
+		{
+			pcm {
+				@func concat
+				strings [
+					"cards.SI7018.pcm.front.0:CARD=" $CARD
+				]
+			}
+			channels 2
+		}
+		{
+			pcm {
+				@func concat
+				strings [
+					"cards.SI7018.pcm.rear.0:CARD=" $CARD
+				]
+			}
+			channels 2
+		}
+		{
+			pcm {
+				@func concat
+				strings [
+					"cards.SI7018.pcm.front.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>
+
+SI7018.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 1
+	}
+	hooks.0 {
+		type ctl_elems
+		hook_args [
+			{
+				interface PCM
+				name "IEC958 Playback PCM Stream"
+				value [ $AES0 $AES1 $AES2 $AES3 ]
+				device 1
+				lock true
+				preserve true
+			}
+		]
+	}
+}