--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/share/alsa/cards/ICH4.conf	Tue Mar 18 16:23:26 2025 -0400
@@ -0,0 +1,214 @@
+#
+# Configuration for the Intel ICH4/ICH5/ICH6 chips
+#
+
+<confdir:pcm/front.conf>
+
+ICH4.pcm.front.0 {
+	@args [ CARD ]
+	@args.CARD {
+		type string
+	}
+	type softvol
+	slave.pcm {
+		type hw
+		card $CARD
+	}
+	control {
+		name "PCM Playback Volume"
+		card $CARD
+	}
+}	
+
+# default with dmix+softvol & dsnoop
+ICH4.pcm.default {
+	@args [ CARD ]
+	@args.CARD {
+		type string
+	}
+	type asym
+	playback.pcm {
+		type plug
+		slave.pcm {
+			type softvol
+			slave.pcm {
+				@func concat
+				strings [ "dmix:" $CARD ]
+			}
+			control {
+				name "PCM Playback Volume"
+				card $CARD
+			}
+		}
+	}
+	capture.pcm {
+		type plug
+		slave.pcm {
+			@func concat
+			strings [ "dsnoop:" $CARD ]
+		}
+	}
+}
+
+<confdir:pcm/surround40.conf>
+
+ICH4.pcm.surround40.0 {
+	@args [ CARD ]
+	@args.CARD {
+		type string
+	}
+	type softvol
+	slave.pcm {
+		type hooks
+		slave.pcm {
+			type hw
+			card $CARD
+			channels 4
+		}
+		hooks.0 {
+			type ctl_elems
+			hook_args [
+			{
+				name "Channel Mode"
+				preserve true
+				value "4ch"
+				lock true
+				optional true
+			}
+			# for old drivers
+			{
+				name "Line-In As Surround"
+				preserve true
+				value true
+				optional true
+			}
+			{
+				name "Surround Down Mix"
+				preserve true
+				value off
+				lock true
+				optional true
+			}
+			]
+		}
+	}
+	control {
+		name "PCM Playback Volume"
+		card $CARD
+	}
+}
+
+<confdir:pcm/surround21.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+<confdir:pcm/surround51.conf>
+
+ICH4.pcm.surround51.0 {
+	@args [ CARD ]
+	@args.CARD {
+		type string
+	}
+	type softvol
+	slave.pcm {
+		type hooks
+		slave.pcm {
+			type hw
+			card $CARD
+			channels 6
+		}
+		hooks.0 {
+			type ctl_elems
+			hook_args [
+			{
+				name "Channel Mode"
+				preserve true
+				value "6ch"
+				lock true
+				optional true
+			}
+			# for old drivers
+			{
+				name "Line-In As Surround"
+				preserve true
+				value true
+				optional true
+			}
+			{
+				name "Mic As Center/LFE"
+				preserve true
+				value true
+				optional true
+			}
+			{
+				name "Surround Down Mix"
+				preserve true
+				value off
+				lock true
+				optional true
+			}
+			{
+				name "Center/LFE Down Mix"
+				preserve true
+				value off
+				lock true
+				optional true
+			}
+			]
+		}
+	}
+	control {
+		name "PCM Playback Volume"
+		card $CARD
+	}
+}
+
+<confdir:pcm/iec958.conf>
+
+ICH4.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 4
+	}
+	hooks.0 {
+		type ctl_elems
+		hook_args [
+			{
+				name "IEC958 Playback AC97-SPSA"
+				lock true
+				preserve true
+				value 3
+				optional true
+			}
+			{
+				name "IEC958 Playback Default"
+				lock true
+				preserve true
+				value [ $AES0 $AES1 $AES2 $AES3 ]
+			}
+			{
+				name "IEC958 Playback Switch"
+				lock true
+				preserve true
+				value true
+			}
+		]
+	}
+}