--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/share/alsa/cards/CMI8338.conf	Tue Mar 18 16:23:26 2025 -0400
@@ -0,0 +1,143 @@
+#
+# Configuration for the CMI8338/8738 chip (w/o multi-channel support)
+#
+
+<confdir:pcm/front.conf>
+
+CMI8338.pcm.front.0 {
+	@args [ CARD ]
+	@args.CARD {
+		type string
+	}
+	type hw
+	card $CARD
+}	
+
+# default with dmix/dsnoop
+CMI8338.pcm.default {
+	@args [ CARD ]
+	@args.CARD {
+		type string
+	}
+	type asym
+	playback.pcm {
+		type plug
+		slave.pcm {
+			@func concat
+			strings [ "dmix:" $CARD ]
+		}
+	}
+	capture.pcm {
+		type plug
+		slave.pcm {
+			@func concat
+			strings [ "dsnoop:" $CARD ]
+		}
+	}
+}
+
+<confdir:pcm/rear.conf>
+
+# 2nd DAC
+# FIXME: we need a volume attenuator for rear channel.
+CMI8338.pcm.rear.0 {
+	@args [ CARD ]
+	@args.CARD {
+		type string
+	}
+	type hw
+	card $CARD
+	device 1
+}
+
+<confdir:pcm/surround40.conf>
+
+# for the old CM8738 with 2nd DAC for rear
+CMI8338.pcm.surround40.0 {
+	@args [ CARD ]
+	@args.CARD {
+		type string
+	}
+	type multi
+	master 1
+	slaves [
+		{
+			pcm {
+				@func concat
+				strings [
+					"cards.CMI8338.pcm.front.0:CARD=" $CARD
+				]
+			}
+			channels 2
+		}
+		{
+			pcm {
+				@func concat
+				strings [
+					"cards.CMI8338.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/iec958.conf>
+
+CMI8338.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 asym
+	playback.pcm {
+		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 ]
+				}
+				{
+					name "IEC958 Loop"
+					lock true
+					preserve true
+					value off
+				}
+			]
+		}
+	}
+	capture.pcm {
+		type hw
+		card $CARD
+		device 2
+	}
+}