diff --git a/src/conf/cards/CS46xx.conf b/src/conf/cards/CS46xx.conf
index e4f57545..4dc4370f 100644
--- a/src/conf/cards/CS46xx.conf
+++ b/src/conf/cards/CS46xx.conf
@@ -26,6 +26,18 @@ CS46xx.pcm.rear.0 {
 	device 1
 }	
 
+<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 {
@@ -62,6 +74,53 @@ CS46xx.pcm.surround40.0 {
 	]
 }
 
+<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 {