d2912cb15b
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>
79 lines
1.8 KiB
C
79 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* LED Triggers Core
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* For the HP Jornada 620/660/680/690 handhelds
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*
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* Copyright 2008 Kristoffer Ericson <kristoffer.ericson@gmail.com>
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* this driver is based on leds-spitz.c by Richard Purdie.
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include <linux/leds.h>
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#include <asm/hd64461.h>
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#include <mach/hp6xx.h>
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static void hp6xxled_green_set(struct led_classdev *led_cdev,
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enum led_brightness value)
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{
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u8 v8;
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v8 = inb(PKDR);
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if (value)
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outb(v8 & (~PKDR_LED_GREEN), PKDR);
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else
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outb(v8 | PKDR_LED_GREEN, PKDR);
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}
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static void hp6xxled_red_set(struct led_classdev *led_cdev,
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enum led_brightness value)
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{
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u16 v16;
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v16 = inw(HD64461_GPBDR);
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if (value)
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outw(v16 & (~HD64461_GPBDR_LED_RED), HD64461_GPBDR);
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else
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outw(v16 | HD64461_GPBDR_LED_RED, HD64461_GPBDR);
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}
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static struct led_classdev hp6xx_red_led = {
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.name = "hp6xx:red",
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.default_trigger = "hp6xx-charge",
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.brightness_set = hp6xxled_red_set,
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.flags = LED_CORE_SUSPENDRESUME,
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};
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static struct led_classdev hp6xx_green_led = {
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.name = "hp6xx:green",
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.default_trigger = "disk-activity",
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.brightness_set = hp6xxled_green_set,
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.flags = LED_CORE_SUSPENDRESUME,
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};
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static int hp6xxled_probe(struct platform_device *pdev)
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{
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int ret;
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ret = devm_led_classdev_register(&pdev->dev, &hp6xx_red_led);
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if (ret < 0)
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return ret;
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return devm_led_classdev_register(&pdev->dev, &hp6xx_green_led);
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}
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static struct platform_driver hp6xxled_driver = {
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.probe = hp6xxled_probe,
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.driver = {
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.name = "hp6xx-led",
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},
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};
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module_platform_driver(hp6xxled_driver);
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MODULE_AUTHOR("Kristoffer Ericson <kristoffer.ericson@gmail.com>");
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MODULE_DESCRIPTION("HP Jornada 6xx LED driver");
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MODULE_LICENSE("GPL");
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MODULE_ALIAS("platform:hp6xx-led");
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