use dmix/dsnoop for default PCM on ca0106

This chipset lacks hardware mixing so needs to use dmix/dsnoop by
default.

Signed-off-by: Lee Revell <rlrevell@joe-job.com>

src/conf/cards/CA0106.conf

@@ -2,6 +2,29 @@
 # Configuration for the CA0106 chip
 #
 
+# default with dmix & dsnoop
+CA0106.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>
 
 CA0106.pcm.front.0 {