n450: replace n450-audio with a proper init script

Rewrite n450-audio based on /etc/init.d/skeleton. Update the install to
rewrite all the system paths.

Signed-off-by: Darren Hart <dvhart@linux.intel.com>

1 files changed, 38 insertions, 11 deletions

diff --git a/meta-n450/recipes-bsp/n450-audio/n450-audio/n450-audio b/meta-n450/recipes-bsp/n450-audio/n450-audio/n450-audio
index ad1b0bd4..c5a0044b 100644
--- a/meta-n450/recipes-bsp/n450-audio/n450-audio/n450-audio
+++ b/meta-n450/recipes-bsp/n450-audio/n450-audio/n450-audio
@@ -1,15 +1,42 @@
 #!/bin/sh
+### BEGIN INIT INFO
+# Provides:          n450 mixer setup
+# Required-Start:    $syslog
+# Required-Stop:     $syslog
+# Default-Start:     2 3 4 5
+# Default-Stop:      0 1 6
+# Short-Description: Initialize the n450 audio mixer
+# Description:       Unmute FRONT and set volume to ~70%.
+### END INIT INFO
 
+# Author: Darren Hart <dvhart@linux.intel.com>
+# Based on /etc/init.d/skeleton
+
+PATH=/sbin:/usr/sbin:/bin:/usr/bin
+DESC="Audio mixer settings"
+NAME=n450-audio
 AMIXER=`which amixer`
+SCRIPTNAME=/etc/init.d/$NAME
+
+# Exit if amixer is not installed
+[ -x "$AMIXER" ] || exit 0
+
+do_start() {
+        # Enable the "Front" simple controls (black phones jack)
+        $AMIXER sset Front 30 on > /dev/null
+}
+
+case "$1" in
+start)
+        echo "$NAME: setting default mixer settings."
+        do_start
+        ;;
+stop)
+        ;;
+*)
+        echo "Usage: $SCRIPTNAME {start|stop}" >&2
+        exit 3
+        ;;
+esac
 
-if [ ! -e "$AMIXER" ]; then
-        if [ -e /usr/bin/amixer ]; then
-                AMIXER=/usr/bin/amixer
-        else
-                echo "amixer not found, unable to set default audio settings."
-                exit 1
-        fi
-fi
-
-# Enable the "Front" simple controls (black phones jack)
-$AMIXER sset Front 30 on
+exit 0