diff options
Diffstat (limited to 'target/linux/rb532/files-2.6.23/drivers/leds')
-rw-r--r-- | target/linux/rb532/files-2.6.23/drivers/leds/leds-rb500.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/target/linux/rb532/files-2.6.23/drivers/leds/leds-rb500.c b/target/linux/rb532/files-2.6.23/drivers/leds/leds-rb500.c new file mode 100644 index 0000000000..3ab530a758 --- /dev/null +++ b/target/linux/rb532/files-2.6.23/drivers/leds/leds-rb500.c @@ -0,0 +1,81 @@ +/* + * 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"); |