init

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

@@ -0,0 +1,115 @@
+#
+# dmix output
+#
+
+pcm.!dmix {
+	@args [ CARD DEV SUBDEV FORMAT RATE ]
+	@args.CARD {
+		type string
+		default {
+			@func refer
+			name defaults.pcm.dmix.card
+		}
+	}
+	@args.DEV {
+		type integer
+		default {
+			@func refer
+			name defaults.pcm.dmix.device
+		}
+	}
+	@args.SUBDEV {
+		type integer
+		default 0
+	}
+	@args.FORMAT {
+		type string
+		default {
+			@func refer
+			name defaults.pcm.dmix.format
+		}
+	}
+	@args.RATE {
+		type integer
+		default {
+			@func refer
+			name defaults.pcm.dmix.rate
+		}
+	}
+	type dmix
+	ipc_key {
+		@func refer
+		name defaults.pcm.ipc_key
+	}
+	ipc_gid {
+		@func refer
+		name defaults.pcm.ipc_gid
+	}
+	ipc_perm {
+		@func refer
+		name defaults.pcm.ipc_perm
+	}
+	slave {
+		pcm {
+			type hw
+			card $CARD
+			device $DEV
+			subdevice $SUBDEV
+		}
+		format $FORMAT
+		rate $RATE
+		period_size {
+			@func refer
+			name {
+				@func concat
+				strings [
+					"defaults.dmix."
+					{
+						@func card_driver
+						card $CARD
+					}
+					".period_size"
+				]
+			}
+			default 1024
+		}		
+		period_time {
+			@func refer
+			name {
+				@func concat
+				strings [
+					"defaults.dmix."
+					{
+						@func card_driver
+						card $CARD
+					}
+					".period_time"
+				]
+			}
+			default -1
+		}		
+		periods {
+			@func refer
+			name {
+				@func concat
+				strings [
+					"defaults.dmix."
+					{
+						@func card_driver
+						card $CARD
+					}
+					".periods"
+				]
+			}
+			default 16
+		}
+	}
+	hint {
+		show {
+			@func refer
+			name defaults.namehint.extended
+		}
+		description "Direct sample mixing device"
+		device_output $DEV
+	}
+}