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openwrt-xburst/target/linux/rb532/files/drivers/leds/leds-rb500.c

82 lines
1.9 KiB
C

/*
* linux/drivers/leds/leds-rb500.c
*
* Copyright (C) 2006
* Twente Institute for Wireless and Mobile Communications BV
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details (see file GPLv2).
*
* Author: Tjalling Hattink <tjalling.hattink@ti-wmc.nl>
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/leds.h>
#include <asm/rc32434/rb.h>
static void rb500led_amber_set(struct led_classdev *led_cdev, enum led_brightness value)
{
if (value)
changeLatchU5(LO_ULED, 0);
else
changeLatchU5(0, LO_ULED);
}
static struct led_classdev rb500_amber_led = {
.name = "rb500led:amber",
.default_trigger = "ide-disk",
.brightness_set = rb500led_amber_set,
};
static int rb500led_probe(struct platform_device *pdev)
{
int ret;
changeLatchU5(0, LO_ULED);
ret = led_classdev_register(&pdev->dev, &rb500_amber_led);
return ret;
}
static int rb500led_remove(struct platform_device *pdev)
{
led_classdev_unregister(&rb500_amber_led);
return 0;
}
static struct platform_driver rb500led_driver = {
.probe = rb500led_probe,
.remove = rb500led_remove,
.driver = {
.name = "rb500-led",
},
};
static int __init rb500led_init(void)
{
return platform_driver_register(&rb500led_driver);
}
static void __exit rb500led_exit(void)
{
platform_driver_unregister(&rb500led_driver);
}
module_init(rb500led_init);
module_exit(rb500led_exit);
MODULE_AUTHOR("tjalling.hattink@ti-wmc.nl");
MODULE_DESCRIPTION("Mikrotik RB500 LED driver");
MODULE_LICENSE("GPL");