From 72396bd614319492aeb28b3b802d073a53b896a6 Mon Sep 17 00:00:00 2001
From: John Crispin <john@openwrt.org>
Date: Mon, 4 Aug 2008 22:56:46 +0000
Subject: add uci led support - /etc/config/system can hold led info which is
 applied at boot - adds /sbin/led.sh to set/clear leds via a name defined in
 /etc/config/system

SVN-Revision: 12104
---
 package/base-files/files/etc/init.d/led | 45 +++++++++++++++++++++++++++++++++
 package/base-files/files/sbin/led.sh    | 25 ++++++++++++++++++
 2 files changed, 70 insertions(+)
 create mode 100755 package/base-files/files/etc/init.d/led
 create mode 100755 package/base-files/files/sbin/led.sh

diff --git a/package/base-files/files/etc/init.d/led b/package/base-files/files/etc/init.d/led
new file mode 100755
index 0000000000..7ccb150cfa
--- /dev/null
+++ b/package/base-files/files/etc/init.d/led
@@ -0,0 +1,45 @@
+#!/bin/sh /etc/rc.common
+# (C) 2008 openwrt.org
+
+. /etc/functions.sh
+
+START=60
+
+load_led() {
+	local name
+	local sysfs
+	local trigger
+	local dev
+	local mode
+	local default
+
+	config_get name $1 name
+	config_get sysfs $1 sysfs
+	config_get trigger $1 trigger
+	config_get dev $1 dev
+	config_get mode $1 mode
+	config_get default $1 default
+
+	[ -e /sys/class/leds/${sysfs}/brightness -a -n "$name" ] && {
+		logger "setting up led : $name"
+		[ -n "$default" ] && { 
+			[ $default -eq 1 ] && 
+				echo 1 >/sys/class/leds/${sysfs}/brightness \
+				|| echo 0 >/sys/class/leds/${sysfs}/brightness
+		}
+		[ -z "$trigger" ] && trigger=none
+		echo $trigger > /sys/class/leds/${sysfs}/trigger
+		[ "$trigger" == "netdev" -a -n "$dev" ] && {
+			[ -z "$mode" ] && mode=link
+			echo $dev > /sys/class/leds/${sysfs}/device_name
+			echo $mode > /sys/class/leds/${sysfs}/mode
+		} 
+	}
+}
+
+start() {
+	[ -e /sys/class/leds/ ] && {
+		config_load system
+		config_foreach load_led led
+	}
+}
diff --git a/package/base-files/files/sbin/led.sh b/package/base-files/files/sbin/led.sh
new file mode 100755
index 0000000000..e4e92af7ea
--- /dev/null
+++ b/package/base-files/files/sbin/led.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+# (C) 2008 openwrt.org
+
+. /etc/functions.sh
+ACTION=$1
+NAME=$2
+do_led() {
+	local name
+	local sysfs
+	config_get name $1 name
+	config_get sysfs $1 sysfs
+	[ "$name" == "$NAME" -a -e "/sys/class/leds/${sysfs}" ] && {
+		[ "$ACTION" == "set" ] &&
+			echo 1 >/sys/class/leds/${sysfs}/brightness \
+			|| echo 0 >/sys/class/leds/${sysfs}/brightness
+		exit 0
+	}
+}
+
+[ "$1" == "clear" -o "$1" == "set" ] &&
+	[ -n "$2" ] &&{
+		config_load system
+		config_foreach do_led
+		exit 1
+	}
-- 
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