cns21xx: migrate to common led helper functions

[juhosg: migrate to status_led_blink_{preinit,failsafe} helpers]

Signed-off-by: Michael Heimpold <mhei@heimpold.de>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35651 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/cns21xx/base-files/etc/diag.sh

@@ -1,33 +1,9 @@
 #!/bin/sh
-#
-# Copyright (C) 2010 OpenWrt.org
-#
-#
+# Copyright (C) 2010-2013 OpenWrt.org
 
+. /lib/functions/leds.sh
 . /lib/cns21xx.sh
 
-status_led=""
-
-led_set_attr() {
-	[ -f "/sys/class/leds/$1/$2" ] && echo "$3" > "/sys/class/leds/$1/$2"
-}
-
-status_led_set_timer() {
-	led_set_attr $status_led "trigger" "timer"
-	led_set_attr $status_led "delay_on" "$1"
-	led_set_attr $status_led "delay_off" "$2"
-}
-
-status_led_on() {
-	led_set_attr $status_led "trigger" "none"
-	led_set_attr $status_led "brightness" 255
-}
-
-status_led_off() {
-	led_set_attr $status_led "trigger" "none"
-	led_set_attr $status_led "brightness" 0
-}
-
 get_status_led() {
 	case $(get_board_name) in
 	ns-k330)
@@ -42,10 +18,10 @@ set_state() {
 	case "$1" in
 	preinit)
 		insmod leds-gpio
-		status_led_set_timer 200 200
+		status_led_blink_preinit
 		;;
 	failsafe)
-		status_led_set_timer 50 50
+		status_led_blink_failsafe
 		;;
 	done)
 		status_led_on