linux/drivers/leds/leds-hp6xx.c
Thomas Gleixner d2912cb15b treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
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>
2019-06-19 17:09:55 +02:00

79 lines
1.8 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* LED Triggers Core
* For the HP Jornada 620/660/680/690 handhelds
*
* Copyright 2008 Kristoffer Ericson <kristoffer.ericson@gmail.com>
* this driver is based on leds-spitz.c by Richard Purdie.
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/leds.h>
#include <asm/hd64461.h>
#include <mach/hp6xx.h>
static void hp6xxled_green_set(struct led_classdev *led_cdev,
enum led_brightness value)
{
u8 v8;
v8 = inb(PKDR);
if (value)
outb(v8 & (~PKDR_LED_GREEN), PKDR);
else
outb(v8 | PKDR_LED_GREEN, PKDR);
}
static void hp6xxled_red_set(struct led_classdev *led_cdev,
enum led_brightness value)
{
u16 v16;
v16 = inw(HD64461_GPBDR);
if (value)
outw(v16 & (~HD64461_GPBDR_LED_RED), HD64461_GPBDR);
else
outw(v16 | HD64461_GPBDR_LED_RED, HD64461_GPBDR);
}
static struct led_classdev hp6xx_red_led = {
.name = "hp6xx:red",
.default_trigger = "hp6xx-charge",
.brightness_set = hp6xxled_red_set,
.flags = LED_CORE_SUSPENDRESUME,
};
static struct led_classdev hp6xx_green_led = {
.name = "hp6xx:green",
.default_trigger = "disk-activity",
.brightness_set = hp6xxled_green_set,
.flags = LED_CORE_SUSPENDRESUME,
};
static int hp6xxled_probe(struct platform_device *pdev)
{
int ret;
ret = devm_led_classdev_register(&pdev->dev, &hp6xx_red_led);
if (ret < 0)
return ret;
return devm_led_classdev_register(&pdev->dev, &hp6xx_green_led);
}
static struct platform_driver hp6xxled_driver = {
.probe = hp6xxled_probe,
.driver = {
.name = "hp6xx-led",
},
};
module_platform_driver(hp6xxled_driver);
MODULE_AUTHOR("Kristoffer Ericson <kristoffer.ericson@gmail.com>");
MODULE_DESCRIPTION("HP Jornada 6xx LED driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:hp6xx-led");