init

squashfs-root/usr/share/alsa/cards/PC-Speaker.conf

@@ -0,0 +1,52 @@
+#
+# Configuration for PC-Speaker driver
+#
+
+<confdir:pcm/front.conf>
+
+PC-Speaker.pcm.front.0 {
+	@args [ CARD ]
+	@args.CARD {
+		type string
+	}
+	type softvol
+	slave.pcm {
+		type hw
+		card $CARD
+	}
+	control {
+		name "Master Playback Volume"
+		card $CARD
+	}
+	min_dB -10.0
+	max_dB 20.0
+}	
+
+# default with dmix & null
+PC-Speaker.pcm.default {
+	@args [ CARD ]
+	@args.CARD {
+		type string
+	}
+	type asym
+	playback.pcm {
+		type plug
+		slave.pcm {
+			type softvol
+			control {
+				name "Master Playback Volume"
+				card $CARD
+			}
+			min_dB -10.0
+			max_dB 20.0
+			slave.pcm {
+				@func concat
+				strings [ "dmix:" $CARD ]
+			}
+		}
+	}
+	capture.pcm {
+		type null
+	}
+}
+