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/*
* LED Triggers Core
*
* Copyright 2005-2006 Openedhand Ltd.
*
* 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/hardware/scoop.h>
#include <asm/mach-types.h>
#include <asm/arch/hardware.h>
#include <asm/arch/pxa-regs.h>
#include <asm/arch/spitz.h>
static void spitzled_amber_set(struct led_classdev *led_cdev, enum led_brightness value)
{
if (value)
set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_LED_ORANGE);
else
reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_LED_ORANGE);
}
static void spitzled_green_set(struct led_classdev *led_cdev, enum led_brightness value)
{
if (value)
set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_LED_GREEN);
else
reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_LED_GREEN);
}
static struct led_classdev spitz_amber_led = {
.name = "spitz:amber",
.default_trigger = "sharpsl-charge",
.brightness_set = spitzled_amber_set,
};
static struct led_classdev spitz_green_led = {
.name = "spitz:green",
.default_trigger = "ide-disk",
.brightness_set = spitzled_green_set,
};
#ifdef CONFIG_PM
static int spitzled_suspend(struct platform_device *dev, pm_message_t state)
{
#ifdef CONFIG_LEDS_TRIGGERS
if (spitz_amber_led.trigger && strcmp(spitz_amber_led.trigger->name, "sharpsl-charge"))
#endif
led_classdev_suspend(&spitz_amber_led);
led_classdev_suspend(&spitz_green_led);
return 0;
}
static int spitzled_resume(struct platform_device *dev)
{
led_classdev_resume(&spitz_amber_led);
led_classdev_resume(&spitz_green_led);
return 0;
}
#endif
static int spitzled_probe(struct platform_device *pdev)
{
int ret;
if (machine_is_akita())
spitz_green_led.default_trigger = "nand-disk";
ret = led_classdev_register(&pdev->dev, &spitz_amber_led);
if (ret < 0)
return ret;
ret = led_classdev_register(&pdev->dev, &spitz_green_led);
if (ret < 0)
led_classdev_unregister(&spitz_amber_led);
return ret;
}
static int spitzled_remove(struct platform_device *pdev)
{
led_classdev_unregister(&spitz_amber_led);
led_classdev_unregister(&spitz_green_led);
return 0;
}
static struct platform_driver spitzled_driver = {
.probe = spitzled_probe,
.remove = spitzled_remove,
#ifdef CONFIG_PM
.suspend = spitzled_suspend,
.resume = spitzled_resume,
#endif
.driver = {
.name = "spitz-led",
},
};
static int __init spitzled_init(void)
{
return platform_driver_register(&spitzled_driver);
}
static void __exit spitzled_exit(void)
{
platform_driver_unregister(&spitzled_driver);
}
module_init(spitzled_init);
module_exit(spitzled_exit);
MODULE_AUTHOR("Richard Purdie <rpurdie@openedhand.com>");
MODULE_DESCRIPTION("Spitz LED driver");
MODULE_LICENSE("GPL");
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