mirror of
				git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
				synced 2025-09-04 20:19:47 +08:00 
			
		
		
		
	 445da487f1
			
		
	
	
		445da487f1
		
	
	
	
	
		
			
			Trivial cleanup removing empty line at wrong place. Signed-off-by: Pavel Machek <pavel@ucw.cz>
		
			
				
	
	
		
			65 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			65 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0-only
 | |
| /*
 | |
|  * LEDs driver for the "User LED" on Routerboard532
 | |
|  *
 | |
|  * Copyright (C) 2009 Phil Sutter <n0-1@freewrt.org>
 | |
|  *
 | |
|  * Based on leds-cobalt-qube.c by Florian Fainelly and
 | |
|  * rb-diag.c (my own standalone driver for both LED and
 | |
|  * button of Routerboard532).
 | |
|  */
 | |
| 
 | |
| #include <linux/leds.h>
 | |
| #include <linux/module.h>
 | |
| #include <linux/platform_device.h>
 | |
| 
 | |
| #include <asm/mach-rc32434/gpio.h>
 | |
| #include <asm/mach-rc32434/rb.h>
 | |
| 
 | |
| static void rb532_led_set(struct led_classdev *cdev,
 | |
| 			  enum led_brightness brightness)
 | |
| {
 | |
| 	if (brightness)
 | |
| 		set_latch_u5(LO_ULED, 0);
 | |
| 	else
 | |
| 		set_latch_u5(0, LO_ULED);
 | |
| }
 | |
| 
 | |
| static enum led_brightness rb532_led_get(struct led_classdev *cdev)
 | |
| {
 | |
| 	return (get_latch_u5() & LO_ULED) ? LED_FULL : LED_OFF;
 | |
| }
 | |
| 
 | |
| static struct led_classdev rb532_uled = {
 | |
| 	.name = "uled",
 | |
| 	.brightness_set = rb532_led_set,
 | |
| 	.brightness_get = rb532_led_get,
 | |
| 	.default_trigger = "nand-disk",
 | |
| };
 | |
| 
 | |
| static int rb532_led_probe(struct platform_device *pdev)
 | |
| {
 | |
| 	return led_classdev_register(&pdev->dev, &rb532_uled);
 | |
| }
 | |
| 
 | |
| static int rb532_led_remove(struct platform_device *pdev)
 | |
| {
 | |
| 	led_classdev_unregister(&rb532_uled);
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static struct platform_driver rb532_led_driver = {
 | |
| 	.probe = rb532_led_probe,
 | |
| 	.remove = rb532_led_remove,
 | |
| 	.driver = {
 | |
| 		.name = "rb532-led",
 | |
| 	},
 | |
| };
 | |
| 
 | |
| module_platform_driver(rb532_led_driver);
 | |
| 
 | |
| MODULE_LICENSE("GPL");
 | |
| MODULE_DESCRIPTION("User LED support for Routerboard532");
 | |
| MODULE_AUTHOR("Phil Sutter <n0-1@freewrt.org>");
 | |
| MODULE_ALIAS("platform:rb532-led");
 |