init

squashfs-root/usr/share/alsa/pcm/default.conf

@@ -0,0 +1,57 @@
+#
+# Default output
+#
+
+pcm.!default {
+	@args [ CARD ]
+	@args.CARD {
+		type string
+		default {
+			@func getenv
+			vars [
+				ALSA_PCM_CARD
+				ALSA_CARD
+			]
+			default {
+				@func refer
+				name defaults.pcm.card
+			}
+		}
+	}
+	type empty
+	slave.pcm {
+		# use card-specific definition if exists
+		@func refer
+		name {
+			@func concat
+			strings [
+				"cards."
+				{
+					@func card_driver
+					card $CARD
+				}
+				".pcm.default:CARD=" $CARD
+			]
+		}
+		default {
+			# use plughw as default
+			type plug
+			slave.pcm {
+				type hw
+				card $CARD
+			}
+			hint.device 0
+		}
+	}
+	hint {
+		description "Default Audio Device"
+		device_output {
+			@func refer
+			name defaults.pcm.dmix.device
+		}
+		device_input {
+			@func refer
+			name defaults.pcm.dsnoop.device
+		}
+	}
+}