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