/* * drivers/leds/leds-cm-x270.c * * Copyright 2007 CompuLab Ltd. * Author: Mike Rapoport <mike@compulab.co.il> * * Based on leds-corgi.c * Author: Richard Purdie <rpurdie@openedhand.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * */#include <linux/kernel.h>#include <linux/init.h>#include <linux/platform_device.h>#include <linux/leds.h>#include <asm/arch/hardware.h>#include <asm/arch/pxa-regs.h>#define GPIO_RED_LED			(93)#define GPIO_GREEN_LED			(94)static void cmx270_red_set(struct led_classdev *led_cdev,			   enum led_brightness value){	if (value)		GPCR(GPIO_RED_LED) = GPIO_bit(GPIO_RED_LED);	else		GPSR(GPIO_RED_LED) = GPIO_bit(GPIO_RED_LED);}static void cmx270_green_set(struct led_classdev *led_cdev,			     enum led_brightness value){	if (value)		GPCR(GPIO_GREEN_LED) = GPIO_bit(GPIO_GREEN_LED);	else		GPSR(GPIO_GREEN_LED) = GPIO_bit(GPIO_GREEN_LED);}static struct led_classdev cmx270_red_led = {	.name			= "cm-x270:red",	.default_trigger	= "nand-disk",	.brightness_set		= cmx270_red_set,};static struct led_classdev cmx270_green_led = {	.name			= "cm-x270:green",	.default_trigger	= "heartbeat",	.brightness_set		= cmx270_green_set,};#ifdef CONFIG_PMstatic int cmx270led_suspend(struct platform_device *dev, pm_message_t state){	led_classdev_suspend(&cmx270_red_led);	led_classdev_suspend(&cmx270_green_led);	return 0;}static int cmx270led_resume(struct platform_device *dev){	led_classdev_resume(&cmx270_red_led);	led_classdev_resume(&cmx270_green_led);	return 0;}#endifstatic int cmx270led_probe(struct platform_device *pdev){	int ret;	ret = led_classdev_register(&pdev->dev, &cmx270_red_led);	if (ret < 0)		return ret;	ret = led_classdev_register(&pdev->dev, &cmx270_green_led);	if (ret < 0)		led_classdev_unregister(&cmx270_red_led);	return ret;}static int cmx270led_remove(struct platform_device *pdev){	led_classdev_unregister(&cmx270_red_led);	led_classdev_unregister(&cmx270_green_led);	return 0;}static struct platform_driver cmx270led_driver = {	.probe		= cmx270led_probe,	.remove		= cmx270led_remove,#ifdef CONFIG_PM	.suspend	= cmx270led_suspend,	.resume		= cmx270led_resume,#endif	.driver		= {		.name		= "cm-x270-led",	},};static int __init cmx270led_init(void){	return platform_driver_register(&cmx270led_driver);}static void __exit cmx270led_exit(void){	platform_driver_unregister(&cmx270led_driver);}module_init(cmx270led_init);module_exit(cmx270led_exit);MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>");MODULE_DESCRIPTION("CM-x270 LED driver");MODULE_LICENSE("GPL");