target/linux/bcm53xx/base-files/etc/diag.sh

   1 #!/bin/sh
   2
   3 . /lib/functions/leds.sh
   4
   5 get_status_led() {
   6         local status_led_file
   7
   8         # There may be more than one color of power LED, try to avoid amber/red
   9         status_led_file=$(find /sys/class/leds/ -name "*:power" -a ! -name "*:amber:*" -a ! -name "*:red:*" | head -n1)
  10         if [ -d "$status_led_file" ]; then
  11                 status_led=$(basename $status_led_file)
  12                 return
  13         fi;
  14
  15         # Now just pick any power LED
  16         status_led_file=$(find /sys/class/leds/ -name "*:power" | head -n1)
  17         if [ -d "$status_led_file" ]; then
  18                 status_led=$(basename $status_led_file)
  19                 return
  20         fi;
  21
  22         # And finally, let's also try the device-Tree aliases node
  23         status_led="$(get_dt_led status)"
  24 }
  25
  26 set_state() {
  27         get_status_led
  28
  29         [ -z "$status_led" ] && return
  30
  31         case "$1" in
  32         preinit)
  33                 status_led_blink_preinit
  34                 ;;
  35         failsafe)
  36                 status_led_blink_failsafe
  37                 ;;
  38         preinit_regular)
  39                 status_led_blink_preinit_regular
  40                 ;;
  41         done)
  42                 status_led_on
  43                 ;;
  44         esac
  45 }