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76f8bef0db
The file(s) below do not use LINUX_VERSION_CODE nor KERNEL_VERSION. drivers/leds/leds-hp-disk.c drivers/misc/panasonic-laptop.c This patch removes the said #include <version.h>. Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
156 lines
3.6 KiB
C
156 lines
3.6 KiB
C
/*
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* leds-hp-disk.c - driver for HP "hard disk protection" LED
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*
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* Copyright (C) 2008 Pavel Machek
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/dmi.h>
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/platform_device.h>
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#include <linux/interrupt.h>
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#include <linux/input.h>
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#include <linux/kthread.h>
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#include <linux/leds.h>
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#include <acpi/acpi_drivers.h>
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#define DRIVER_NAME "leds-hp-disk"
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#define ACPI_MDPS_CLASS "led"
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/* For automatic insertion of the module */
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static struct acpi_device_id hpled_device_ids[] = {
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{"HPQ0004", 0}, /* HP Mobile Data Protection System PNP */
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{"", 0},
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};
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MODULE_DEVICE_TABLE(acpi, hpled_device_ids);
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struct acpi_hpled {
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struct acpi_device *device; /* The ACPI device */
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};
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static struct acpi_hpled adev;
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static acpi_status hpled_acpi_write(acpi_handle handle, int reg)
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{
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unsigned long long ret; /* Not used when writing */
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union acpi_object in_obj[1];
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struct acpi_object_list args = { 1, in_obj };
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in_obj[0].type = ACPI_TYPE_INTEGER;
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in_obj[0].integer.value = reg;
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return acpi_evaluate_integer(handle, "ALED", &args, &ret);
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}
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static void hpled_set(struct led_classdev *led_cdev,
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enum led_brightness value)
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{
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hpled_acpi_write(adev.device->handle, !!value);
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}
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static struct led_classdev hpled_led = {
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.name = "hp:red:hddprotection",
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.default_trigger = "heartbeat",
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.brightness_set = hpled_set,
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};
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#ifdef CONFIG_PM
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static int hpled_suspend(struct acpi_device *dev, pm_message_t state)
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{
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led_classdev_suspend(&hpled_led);
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return 0;
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}
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static int hpled_resume(struct acpi_device *dev)
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{
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led_classdev_resume(&hpled_led);
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return 0;
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}
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#else
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#define hpled_suspend NULL
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#define hpled_resume NULL
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#endif
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static int hpled_add(struct acpi_device *device)
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{
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int ret;
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if (!device)
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return -EINVAL;
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adev.device = device;
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strcpy(acpi_device_name(device), DRIVER_NAME);
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strcpy(acpi_device_class(device), ACPI_MDPS_CLASS);
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device->driver_data = &adev;
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ret = led_classdev_register(NULL, &hpled_led);
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return ret;
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}
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static int hpled_remove(struct acpi_device *device, int type)
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{
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if (!device)
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return -EINVAL;
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led_classdev_unregister(&hpled_led);
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return 0;
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}
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static struct acpi_driver leds_hp_driver = {
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.name = DRIVER_NAME,
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.class = ACPI_MDPS_CLASS,
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.ids = hpled_device_ids,
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.ops = {
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.add = hpled_add,
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.remove = hpled_remove,
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.suspend = hpled_suspend,
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.resume = hpled_resume,
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}
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};
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static int __init hpled_init_module(void)
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{
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int ret;
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if (acpi_disabled)
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return -ENODEV;
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ret = acpi_bus_register_driver(&leds_hp_driver);
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if (ret < 0)
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return ret;
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printk(KERN_INFO DRIVER_NAME " driver loaded.\n");
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return 0;
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}
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static void __exit hpled_exit_module(void)
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{
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acpi_bus_unregister_driver(&leds_hp_driver);
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}
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MODULE_DESCRIPTION("Driver for HP disk protection LED");
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MODULE_AUTHOR("Pavel Machek <pavel@suse.cz>");
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MODULE_LICENSE("GPL");
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module_init(hpled_init_module);
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module_exit(hpled_exit_module);
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