Input: remove no longer used power.c handler

obj-$(CONFIG_INPUT_JOYDEV)	+= joydev.o

obj-$(CONFIG_INPUT_EVDEV)	+= evdev.o

obj-$(CONFIG_INPUT_TSDEV)	+= tsdev.o

obj-$(CONFIG_INPUT_POWER)	+= power.o

obj-$(CONFIG_INPUT_EVBUG)	+= evbug.o

obj-$(CONFIG_INPUT_KEYBOARD)	+= keyboard/

/*

 * $Id: power.c,v 1.10 2001/09/25 09:17:15 vojtech Exp $

 *

 *  Copyright (c) 2001 "Crazy" James Simmons

 *

 *  Input driver Power Management.

 *

 *  Sponsored by Transvirtual Technology.

 */

/*

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

 *

 * Should you need to contact me, the author, you can do so by

 * e-mail - mail your message to <jsimmons@transvirtual.com>.

 */

#include <linux/module.h>

#include <linux/input.h>

#include <linux/slab.h>

#include <linux/init.h>

#include <linux/tty.h>

#include <linux/delay.h>

#include <linux/pm.h>

static struct input_handler power_handler;

/*

 * Power management can't be done in a interrupt context. So we have to

 * use keventd.

 */

static int suspend_button_pushed;

static void suspend_button_task_handler(struct work_struct *work)

{

        udelay(200); /* debounce */

        suspend_button_pushed = 0;

}

static DECLARE_WORK(suspend_button_task, suspend_button_task_handler);

static void power_event(struct input_handle *handle, unsigned int type,

		        unsigned int code, int down)

{

	struct input_dev *dev = handle->dev;

	printk("Entering power_event\n");

	if (type == EV_PWR) {

		switch (code) {

			case KEY_SUSPEND:

				printk("Powering down entire device\n");

				if (!suspend_button_pushed) {

					suspend_button_pushed = 1;

					schedule_work(&suspend_button_task);

				}

				break;

			case KEY_POWER:

				/* Hum power down the machine. */

				break;

			default:

				return;

		}

	}

	if (type == EV_KEY) {

		switch (code) {

			case KEY_SUSPEND:

				printk("Powering down input device\n");

				/* This is risky. See pm.h for details. */

				if (dev->state != PM_RESUME)

					dev->state = PM_RESUME;

				else

					dev->state = PM_SUSPEND;

				 /* pm_send(dev->pm_dev, dev->state, dev); */

				break;

			case KEY_POWER:

				/* Turn the input device off completely ? */

				break;

			default:

				return;

		}

	}

	return;

}

static int power_connect(struct input_handler *handler, struct input_dev *dev,

			 const struct input_device_id *id)

{

	struct input_handle *handle;

	int error;

	handle = kzalloc(sizeof(struct input_handle), GFP_KERNEL);

	if (!handle)

		return -ENOMEM;

	handle->dev = dev;

	handle->handler = handler;

	handle->name = "power";

	error = input_register_handle(handle);

	if (error)

		goto err_free_handle;

	error = input_open_device(handle);

	if (error)

		goto err_unregister_handle;

	return 0;

 err_unregister_handle:

	input_unregister_handle(handle);

 err_free_handle:

	kfree(handle);

	return error;

}

static void power_disconnect(struct input_handle *handle)

{

	input_close_device(handle);

	input_unregister_handle(handle);

	kfree(handle);

}

static const struct input_device_id power_ids[] = {

	{

		.flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_KEYBIT,

		.evbit = { BIT(EV_KEY) },

		.keybit = { [LONG(KEY_SUSPEND)] = BIT(KEY_SUSPEND) }

	},

	{

		.flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_KEYBIT,

		.evbit = { BIT(EV_KEY) },

		.keybit = { [LONG(KEY_POWER)] = BIT(KEY_POWER) }

	},

	{

		.flags = INPUT_DEVICE_ID_MATCH_EVBIT,

		.evbit = { BIT(EV_PWR) },

	},

	{ },	/* Terminating entry */

};

MODULE_DEVICE_TABLE(input, power_ids);

static struct input_handler power_handler = {

	.event =	power_event,

	.connect =	power_connect,

	.disconnect =	power_disconnect,

	.name =		"power",

	.id_table =	power_ids,

};

static int __init power_init(void)

{

	return input_register_handler(&power_handler);

}

static void __exit power_exit(void)

{

	input_unregister_handler(&power_handler);

}

module_init(power_init);

module_exit(power_exit);

MODULE_AUTHOR("James Simmons <jsimmons@transvirtual.com>");

MODULE_DESCRIPTION("Input Power Management driver");

MODULE_LICENSE("GPL");