LXR uboot/drivers/misc/gpio

   1/*
   2 * Status LED driver based on GPIO access conventions of Linux
   3 *
   4 * Copyright (C) 2010 Thomas Chou <thomas@wytron.com.tw>
   5 * Licensed under the GPL-2 or later.
   6 */
   7
   8#include <common.h>
   9#include <status_led.h>
  10#include <asm/gpio.h>
  11
  12void __led_init(led_id_t mask, int state)
  13{
  14        gpio_request(mask, "gpio_led");
  15        gpio_direction_output(mask, state == STATUS_LED_ON);
  16}
  17
  18void __led_set(led_id_t mask, int state)
  19{
  20        gpio_set_value(mask, state == STATUS_LED_ON);
  21}
  22
  23void __led_toggle(led_id_t mask)
  24{
  25        gpio_set_value(mask, !gpio_get_value(mask));
  26}
  27