ucm2: add initial alsa library helpers

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
alsa-project · May 13, 2021 · 548036b · MarijnS95 · May 14, 2021 · perexg
1 parent f801800
commit 548036b
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diff --git a/ucm2/lib/card-init.conf b/ucm2/lib/card-init.conf
@@ -0,0 +1,10 @@
+#
+# Manage directory for the card specific configuration
+#
+
+Define.LibDir "/var/lib/alsa/card${CardNumber}.conf.d"
+
+FixedBootSequence [
+	exec "/bin/rm -rf ${var:LibDir}/"
+	exec "/bin/mkdir -p -m 0755 ${var:LibDir}"
+]
diff --git a/ucm2/lib/generic.conf b/ucm2/lib/generic.conf
@@ -0,0 +1,29 @@
+#
+# This is generic UCM configuration for alsa-lib
+# Only hw devices are exposed to the UCM application
+# Users are not allowed to overwrite this configuration
+#
+
+LibraryConfig.generic.SubstiConfig {
+
+	ctl.hw {
+		@args [ CARD ]
+		@args.CARD.type string
+		type hw
+		card $CARD
+	}
+
+	pcm.hw {
+		@args [ CARD DEV SUBDEV ]
+		@args {
+			CARD.type string
+			DEV.type integer
+			SUBDEV.type integer
+		}
+		type hw
+		card $CARD
+		device $DEV
+		subdevice $SUBDEV
+	}
+
+}