include/asm-arm/leds.h

   1 /*
   2  * include/asm-arm/leds.h
   3  *
   4  * Copyright (C) 1998 Russell King
   5  *
   6  * Event-driven interface for LEDs on machines
   7  *
   8  * Added led_start and led_stop- Alex Holden, 28th Dec 1998.
   9  */
  10 #ifndef ASM_ARM_LEDS_H
  11 #define ASM_ARM_LEDS_H
  12
  13 #include <linux/config.h>
  14
  15 typedef enum {
  16         led_idle_start,
  17         led_idle_end,
  18         led_timer,
  19         led_start,
  20         led_stop,
  21         led_claim,              /* override idle & timer leds */
  22         led_release,            /* restore idle & timer leds */
  23         led_green_on,
  24         led_green_off,
  25         led_amber_on,
  26         led_amber_off,
  27         led_red_on,
  28         led_red_off
  29 } led_event_t;
  30
  31 /* Use this routine to handle LEDs */
  32
  33 #ifdef CONFIG_LEDS
  34 extern void (*leds_event)(led_event_t);
  35 #define set_leds_event(r)       leds_event = r
  36 #else
  37 #define leds_event(e)
  38 #define set_leds_event(r)
  39 #endif
  40
  41 #endif