mirror of
https://github.com/torvalds/linux.git
synced 2024-11-01 09:41:44 +00:00
f4d1f2bed6
Setting the LED_CORE_SUSPENDRESUME flag causes the LED driver core to call led_classdev_suspend/led_classdev_resume during suspend/resume. Since this is exactly what the driver's custom suspend/resume callbacks do we can replace them by setting the LED_CORE_SUSPENDRESUME flag. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com>
108 lines
2.3 KiB
C
108 lines
2.3 KiB
C
/*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*
|
|
* Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
|
|
*/
|
|
#include <linux/kernel.h>
|
|
#include <linux/module.h>
|
|
#include <linux/init.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/leds.h>
|
|
#include <linux/err.h>
|
|
#include <linux/io.h>
|
|
|
|
#define DRVNAME "sead3-led"
|
|
|
|
static struct platform_device *pdev;
|
|
|
|
static void sead3_pled_set(struct led_classdev *led_cdev,
|
|
enum led_brightness value)
|
|
{
|
|
pr_debug("sead3_pled_set\n");
|
|
writel(value, (void __iomem *)0xBF000210); /* FIXME */
|
|
}
|
|
|
|
static void sead3_fled_set(struct led_classdev *led_cdev,
|
|
enum led_brightness value)
|
|
{
|
|
pr_debug("sead3_fled_set\n");
|
|
writel(value, (void __iomem *)0xBF000218); /* FIXME */
|
|
}
|
|
|
|
static struct led_classdev sead3_pled = {
|
|
.name = "sead3::pled",
|
|
.brightness_set = sead3_pled_set,
|
|
.flags = LED_CORE_SUSPENDRESUME,
|
|
};
|
|
|
|
static struct led_classdev sead3_fled = {
|
|
.name = "sead3::fled",
|
|
.brightness_set = sead3_fled_set,
|
|
.flags = LED_CORE_SUSPENDRESUME,
|
|
};
|
|
|
|
static int sead3_led_probe(struct platform_device *pdev)
|
|
{
|
|
int ret;
|
|
|
|
ret = led_classdev_register(&pdev->dev, &sead3_pled);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = led_classdev_register(&pdev->dev, &sead3_fled);
|
|
if (ret < 0)
|
|
led_classdev_unregister(&sead3_pled);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int sead3_led_remove(struct platform_device *pdev)
|
|
{
|
|
led_classdev_unregister(&sead3_pled);
|
|
led_classdev_unregister(&sead3_fled);
|
|
return 0;
|
|
}
|
|
|
|
static struct platform_driver sead3_led_driver = {
|
|
.probe = sead3_led_probe,
|
|
.remove = sead3_led_remove,
|
|
.driver = {
|
|
.name = DRVNAME,
|
|
.owner = THIS_MODULE,
|
|
},
|
|
};
|
|
|
|
static int __init sead3_led_init(void)
|
|
{
|
|
int ret;
|
|
|
|
ret = platform_driver_register(&sead3_led_driver);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
pdev = platform_device_register_simple(DRVNAME, -1, NULL, 0);
|
|
if (IS_ERR(pdev)) {
|
|
ret = PTR_ERR(pdev);
|
|
platform_driver_unregister(&sead3_led_driver);
|
|
goto out;
|
|
}
|
|
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
static void __exit sead3_led_exit(void)
|
|
{
|
|
platform_device_unregister(pdev);
|
|
platform_driver_unregister(&sead3_led_driver);
|
|
}
|
|
|
|
module_init(sead3_led_init);
|
|
module_exit(sead3_led_exit);
|
|
|
|
MODULE_AUTHOR("Kristian Kielhofner <kris@krisk.org>");
|
|
MODULE_DESCRIPTION("SEAD3 LED driver");
|
|
MODULE_LICENSE("GPL");
|