drivers/leds/leds-cobalt.c

   1 /*
   2  * Copyright 2006 - Florian Fainelli <florian@openwrt.org>
   3  *
   4  * Control the Cobalt Qube/RaQ front LED
   5  */
   6
   7 #include <linux/module.h>
   8 #include <linux/types.h>
   9 #include <linux/kernel.h>
  10 #include <linux/device.h>
  11 #include <linux/leds.h>
  12 #include <asm/mach-cobalt/cobalt.h>
  13
  14 static void cobalt_led_set(struct led_classdev *led_cdev, enum led_brightness brightness)
  15 {
  16         if (brightness)
  17                 COBALT_LED_PORT = COBALT_LED_BAR_LEFT | COBALT_LED_BAR_RIGHT;
  18         else
  19                 COBALT_LED_PORT = 0;
  20 }
  21
  22 static struct led_classdev cobalt_led = {
  23        .name = "cobalt-front-led",
  24        .brightness_set = cobalt_led_set,
  25        .default_trigger = "ide-disk",
  26 };
  27
  28 static int __init cobalt_led_init(void)
  29 {
  30         return led_classdev_register(NULL, &cobalt_led);
  31 }
  32
  33 static void __exit cobalt_led_exit(void)
  34 {
  35         led_classdev_unregister(&cobalt_led);
  36 }
  37
  38 module_init(cobalt_led_init);
  39 module_exit(cobalt_led_exit);
  40
  41 MODULE_LICENSE("GPL");
  42 MODULE_DESCRIPTION("Front LED support for Cobalt Server");
  43 MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");