- turn on the jack sharing switches automatically for surround pcms.

- fixed the device number of hooked controls (all zero).
- use route plugin instead of multi plugin for remapping of channels.

src/conf/cards/VIA8233.conf

@@ -21,16 +21,88 @@ VIA8233.pcm.surround40.0 {
 	@args.CARD {
 		type string
 	}
-	type hw
-	card $CARD
-	device 1
+	type hooks
+	slave.pcm {
+		type hw
+		card $CARD
+		device 1
+	}
+	hooks.0 {
+		type ctl_elems
+		hook_args [
+			{
+				name "Line-In As Surround"
+				device 0
+				preserve true
+				value true
+				lock true
+				optional true
+			}
+			{
+				name "Surround Down Mix"
+				device 0
+				preserve true
+				value off
+				lock true
+				optional true
+			}
+		]
+	}
 }
 
 <confdir:pcm/surround41.conf>
 <confdir:pcm/surround50.conf>
 <confdir:pcm/surround51.conf>
 
-VIA8233.pcm.surround51.0 "cards.VIA8233.pcm.surround40.0"
+VIA8233.pcm.surround51.0 {
+	@args [ CARD ]
+	@args.CARD {
+		type string
+	}
+	type hooks
+	slave.pcm {
+		type hw
+		card $CARD
+		device 1
+	}
+	hooks.0 {
+		type ctl_elems
+		hook_args [
+			{
+				name "Line-In As Surround"
+				device 0
+				preserve true
+				value true
+				lock true
+				optional true
+			}
+			{
+				name "Mic As Center/LFE"
+				device 0
+				preserve true
+				value true
+				lock true
+				optional true
+			}
+			{
+				name "Surround Down Mix"
+				device 0
+				preserve true
+				value off
+				lock true
+				optional true
+			}
+			{
+				name "Center/LFE Down Mix"
+				device 0
+				preserve true
+				value off
+				lock true
+				optional true
+			}
+		]
+	}
+}
 
 <confdir:pcm/iec958.conf>
 
@@ -39,9 +111,6 @@ VIA8233.pcm.iec958.0 {
 	@args.CARD {
 		type string
 	}
-	@args.DEV {
-		type integer
-	}
 	@args.AES0 {
 		type integer
 	}