lantiq: use power leds defined in DTS

Use the power leds defined in the dts file instead of hardcoded led names.

Signed-off-by: Mathias Kresin <openwrt@kresin.me>

SVN-Revision: 48039

target/linux/lantiq/base-files/etc/diag.sh

@@ -2,49 +2,53 @@
 # Copyright (C) 2012-2013 OpenWrt.org
 
 . /lib/functions/leds.sh
+. /lib/functions/lantiq.sh
 
-status_led=power
-[ ! -d /sys/class/leds/power/ ] && [ ! -d /sys/class/leds/power1/ ] && [ ! -d /sys/class/leds/power2/ ] && [ -d /sys/class/leds/wps/ ] && status_led=wps
+power="$(lantiq_get_dt_led_chosen power)"
+power1="$(lantiq_get_dt_led_chosen power1)"
+power2="$(lantiq_get_dt_led_chosen power2)"
+
+status_led="$power"
 
 set_state() {
 	case "$1" in
 	preinit)
-		if [ -d /sys/class/leds/power2/ ]; then
+		if [ -n "$power2" ]; then
 			status_led_on
-			status_led=power2
+			status_led="$power2"
 			status_led_blink_preinit
-			status_led=power
+			status_led="$power"
 		else
 			status_led_blink_preinit
 		fi
 		;;
 	failsafe)
-		if [ -d /sys/class/leds/power2/ ]; then
-			led_off power2
+		if [ -n "$power2" ]; then
+			led_off "$power2"
 			status_led_blink_failsafe
-		elif [ -d /sys/class/leds/power1/ ]; then
+		elif [ -n "$power1" ]; then
 			status_led_off
-			status_led=power1
+			status_led="$power1"
 			status_led_blink_failsafe
-			status_led=power
+			status_led="$power"
 		else
 			status_led_blink_failsafe
 		fi
 		;;
 	preinit_regular)
-		if [ -d /sys/class/leds/power2/ ]; then
+		if [ -n "$power2" ]; then
 			status_led_on
-			status_led=power2
+			status_led="$power2"
 			status_led_blink_preinit_regular
-			status_led=power
+			status_led="$power"
 		else
 			status_led_blink_preinit_regular
 		fi
 		;;
 	done)
 		status_led_on
-		led_off power1
-		led_off power2
+		led_off "$power1"
+		led_off "$power2"
 		;;
 	esac
 }