forked from luck/tmp_suning_uos_patched
3179108daa
Adds LED drivers for LEDs found on the Sharp Zaurus c7x0 (corgi, shepherd, husky) and cxx00 (akita, spitz, borzoi) models. Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
122 lines
2.8 KiB
C
122 lines
2.8 KiB
C
/*
|
|
* 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/config.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/leds.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/arch/corgi.h>
|
|
#include <asm/arch/hardware.h>
|
|
#include <asm/arch/pxa-regs.h>
|
|
#include <asm/hardware/scoop.h>
|
|
|
|
static void corgiled_amber_set(struct led_classdev *led_cdev, enum led_brightness value)
|
|
{
|
|
if (value)
|
|
GPSR0 = GPIO_bit(CORGI_GPIO_LED_ORANGE);
|
|
else
|
|
GPCR0 = GPIO_bit(CORGI_GPIO_LED_ORANGE);
|
|
}
|
|
|
|
static void corgiled_green_set(struct led_classdev *led_cdev, enum led_brightness value)
|
|
{
|
|
if (value)
|
|
set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_LED_GREEN);
|
|
else
|
|
reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_LED_GREEN);
|
|
}
|
|
|
|
static struct led_classdev corgi_amber_led = {
|
|
.name = "corgi:amber",
|
|
.default_trigger = "sharpsl-charge",
|
|
.brightness_set = corgiled_amber_set,
|
|
};
|
|
|
|
static struct led_classdev corgi_green_led = {
|
|
.name = "corgi:green",
|
|
.default_trigger = "nand-disk",
|
|
.brightness_set = corgiled_green_set,
|
|
};
|
|
|
|
#ifdef CONFIG_PM
|
|
static int corgiled_suspend(struct platform_device *dev, pm_message_t state)
|
|
{
|
|
#ifdef CONFIG_LEDS_TRIGGERS
|
|
if (corgi_amber_led.trigger && strcmp(corgi_amber_led.trigger->name, "sharpsl-charge"))
|
|
#endif
|
|
led_classdev_suspend(&corgi_amber_led);
|
|
led_classdev_suspend(&corgi_green_led);
|
|
return 0;
|
|
}
|
|
|
|
static int corgiled_resume(struct platform_device *dev)
|
|
{
|
|
led_classdev_resume(&corgi_amber_led);
|
|
led_classdev_resume(&corgi_green_led);
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static int corgiled_probe(struct platform_device *pdev)
|
|
{
|
|
int ret;
|
|
|
|
ret = led_classdev_register(&pdev->dev, &corgi_amber_led);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = led_classdev_register(&pdev->dev, &corgi_green_led);
|
|
if (ret < 0)
|
|
led_classdev_unregister(&corgi_amber_led);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int corgiled_remove(struct platform_device *pdev)
|
|
{
|
|
led_classdev_unregister(&corgi_amber_led);
|
|
led_classdev_unregister(&corgi_green_led);
|
|
return 0;
|
|
}
|
|
|
|
static struct platform_driver corgiled_driver = {
|
|
.probe = corgiled_probe,
|
|
.remove = corgiled_remove,
|
|
#ifdef CONFIG_PM
|
|
.suspend = corgiled_suspend,
|
|
.resume = corgiled_resume,
|
|
#endif
|
|
.driver = {
|
|
.name = "corgi-led",
|
|
},
|
|
};
|
|
|
|
static int __init corgiled_init(void)
|
|
{
|
|
return platform_driver_register(&corgiled_driver);
|
|
}
|
|
|
|
static void __exit corgiled_exit(void)
|
|
{
|
|
platform_driver_unregister(&corgiled_driver);
|
|
}
|
|
|
|
module_init(corgiled_init);
|
|
module_exit(corgiled_exit);
|
|
|
|
MODULE_AUTHOR("Richard Purdie <rpurdie@openedhand.com>");
|
|
MODULE_DESCRIPTION("Corgi LED driver");
|
|
MODULE_LICENSE("GPL");
|