--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/share/alsa/cards/vc4-hdmi.conf	Tue Mar 18 16:23:26 2025 -0400
@@ -0,0 +1,64 @@
+#
+# 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 ]
+}