alsa-state: add alsa-state from oe classic

alsa-state adds an init script and configuration files to enable a
consistent and centralised mechanism for setting and restoring alsa
configuration.

Signed-off-by: Joshua Lock <josh@linux.intel.com>

3 files changed, 42 insertions, 0 deletions

diff --git a/meta/recipes-bsp/alsa-state/alsa-state/alsa-state b/meta/recipes-bsp/alsa-state/alsa-state/alsa-state
new file mode 100755
index 0000000000..84cdf03750
--- /dev/null
+++ b/meta/recipes-bsp/alsa-state/alsa-state/alsa-state
@@ -0,0 +1,29 @@
+#! /bin/sh
+#
+# Copyright Matthias Hentges <devel@hentges.net> (c) 2007
+# License: GPL (see http://www.gnu.org/licenses/gpl.txt for a copy of the license)
+#
+# Filename: alsa-state
+# Date: 20070308 (YMD)
+
+
+asound_restore(){
+	echo "ALSA: Restoring mixer settings..."
+	if test -x /usr/sbin/alsactl -a -e /etc/asound.state
+	then
+		/usr/sbin/alsactl -f /etc/asound.state restore &
+	fi
+}
+
+asound_store(){
+	echo "ALSA: Storing mixer settings..."
+	if test -x /usr/sbin/alsactl
+	then
+		/usr/sbin/alsactl -f /etc/asound.state store
+	fi
+}
+
+case "$1" in
+start)		asound_restore ;;
+stop)		asound_store ;;
+esac
diff --git a/meta/recipes-bsp/alsa-state/alsa-state/asound.conf b/meta/recipes-bsp/alsa-state/alsa-state/asound.conf
new file mode 100644
index 0000000000..6be024201c
--- /dev/null
+++ b/meta/recipes-bsp/alsa-state/alsa-state/asound.conf
@@ -0,0 +1,12 @@
+# default dmix configuration
+
+pcm.!default {
+    type plug
+    slave.pcm "dmix"
+}
+
+ctl.mixer0 {
+    type hw
+    card 0
+}
+
diff --git a/meta/recipes-bsp/alsa-state/alsa-state/asound.state b/meta/recipes-bsp/alsa-state/alsa-state/asound.state
new file mode 100644
index 0000000000..ddd1cce85d
--- /dev/null
+++ b/meta/recipes-bsp/alsa-state/alsa-state/asound.state
@@ -0,0 +1 @@
+# Dummy file, do not delete