Use dmix/dsnoop as default

Use dmix/dsnoop plugins as default for emu10k1x.

src/conf/cards/EMU10K1X.conf

@@ -2,6 +2,29 @@
 # Configuration for the EMU10K1X chip
 #
 
+# default with dmix & dsnoop
+EMU10K1X.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/front.conf>
 
 EMU10K1X.pcm.front.0 {