mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-27 03:10:12 +00:00
![Thomas Gleixner](/assets/img/avatar_default.png)
Based on 2 normalized pattern(s): 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 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 # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
83 lines
1.9 KiB
C
83 lines
1.9 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* linux/drivers/leds/leds-locomo.c
|
|
*
|
|
* Copyright (C) 2005 John Lenz <lenz@cs.wisc.edu>
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/module.h>
|
|
#include <linux/device.h>
|
|
#include <linux/leds.h>
|
|
|
|
#include <mach/hardware.h>
|
|
#include <asm/hardware/locomo.h>
|
|
|
|
static void locomoled_brightness_set(struct led_classdev *led_cdev,
|
|
enum led_brightness value, int offset)
|
|
{
|
|
struct locomo_dev *locomo_dev = LOCOMO_DEV(led_cdev->dev->parent);
|
|
unsigned long flags;
|
|
|
|
local_irq_save(flags);
|
|
if (value)
|
|
locomo_writel(LOCOMO_LPT_TOFH, locomo_dev->mapbase + offset);
|
|
else
|
|
locomo_writel(LOCOMO_LPT_TOFL, locomo_dev->mapbase + offset);
|
|
local_irq_restore(flags);
|
|
}
|
|
|
|
static void locomoled_brightness_set0(struct led_classdev *led_cdev,
|
|
enum led_brightness value)
|
|
{
|
|
locomoled_brightness_set(led_cdev, value, LOCOMO_LPT0);
|
|
}
|
|
|
|
static void locomoled_brightness_set1(struct led_classdev *led_cdev,
|
|
enum led_brightness value)
|
|
{
|
|
locomoled_brightness_set(led_cdev, value, LOCOMO_LPT1);
|
|
}
|
|
|
|
static struct led_classdev locomo_led0 = {
|
|
.name = "locomo:amber:charge",
|
|
.default_trigger = "main-battery-charging",
|
|
.brightness_set = locomoled_brightness_set0,
|
|
};
|
|
|
|
static struct led_classdev locomo_led1 = {
|
|
.name = "locomo:green:mail",
|
|
.default_trigger = "nand-disk",
|
|
.brightness_set = locomoled_brightness_set1,
|
|
};
|
|
|
|
static int locomoled_probe(struct locomo_dev *ldev)
|
|
{
|
|
int ret;
|
|
|
|
ret = devm_led_classdev_register(&ldev->dev, &locomo_led0);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return devm_led_classdev_register(&ldev->dev, &locomo_led1);
|
|
}
|
|
|
|
|
|
static struct locomo_driver locomoled_driver = {
|
|
.drv = {
|
|
.name = "locomoled"
|
|
},
|
|
.devid = LOCOMO_DEVID_LED,
|
|
.probe = locomoled_probe,
|
|
};
|
|
|
|
static int __init locomoled_init(void)
|
|
{
|
|
return locomo_driver_register(&locomoled_driver);
|
|
}
|
|
module_init(locomoled_init);
|
|
|
|
MODULE_AUTHOR("John Lenz <lenz@cs.wisc.edu>");
|
|
MODULE_DESCRIPTION("Locomo LED driver");
|
|
MODULE_LICENSE("GPL");
|