OpenWrt – Rev 1

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#!/bin/sh

. /lib/functions/leds.sh

get_status_led() {
        local status_led_file

        # There may be more than one color of power LED, try to avoid amber/red
        status_led_file=$(find /sys/class/leds/ -name "*:power" -a ! -name "*:amber:*" -a ! -name "*:red:*" | head -n1)
        if [ -d "$status_led_file" ]; then
                status_led=$(basename $status_led_file)
                return
        fi;

        # Now just pick any power LED
        status_led_file=$(find /sys/class/leds/ -name "*:power" | head -n1)
        if [ -d "$status_led_file" ]; then
                status_led=$(basename $status_led_file)
                return
        fi;
}

set_state() {
        get_status_led

        [ -z "$status_led" ] && return

        case "$1" in
        preinit)
                status_led_blink_preinit
                ;;
        failsafe)
                status_led_blink_failsafe
                ;;
        preinit_regular)
                status_led_blink_preinit_regular
                ;;
        done)
                status_led_on
                ;;
        esac
}