From 548036b8ecc92d4e8e2070046551fb0b8acb7d96 Mon Sep 17 00:00:00 2001
From: Jaroslav Kysela <perex@perex.cz>
Date: Thu, 13 May 2021 16:28:04 +0200
Subject: [PATCH] ucm2: add initial alsa library helpers

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
---
 ucm2/lib/card-init.conf | 10 ++++++++++
 ucm2/lib/generic.conf   | 29 +++++++++++++++++++++++++++++
 2 files changed, 39 insertions(+)
 create mode 100644 ucm2/lib/card-init.conf
 create mode 100644 ucm2/lib/generic.conf

diff --git a/ucm2/lib/card-init.conf b/ucm2/lib/card-init.conf
new file mode 100644
index 00000000..85b011b9
--- /dev/null
+++ 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
new file mode 100644
index 00000000..d2b78c93
--- /dev/null
+++ 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
+	}
+
+}