#ifndef _INPUT_POLLDEV_H
#define _INPUT_POLLDEV_H
/*
* Copyright (c) 2007 Dmitry Torokhov
*
* 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.
*/
#include <linux/input.h>
#include <linux/workqueue.h>
/**
* struct input_polled_dev - simple polled input device
* @private: private driver data
* @flush: driver-supplied method that flushes device's state upon
* opening (optional)
* @poll: driver-supplied method that polls the device and posts
* input events (mandatory).
* @poll_interval: specifies how often the poll() method shoudl be called.
* @input: input device structire associated with the polled device.
* Must be properly initialized by the driver (id, name, phys, bits).
*
* Polled input device provides a skeleton for supporting simple input
* devices that do not raise interrupts but have to be periodically
* scanned or polled to detect changes in their state.
*/
struct input_polled_dev {
void *private;
void (*flush)(struct input_polled_dev *dev);
void (*poll)(struct input_polled_dev *dev);
unsigned int poll_interval; /* msec */
struct input_dev *input;
struct delayed_work work;
};
struct input_polled_dev *input_allocate_polled_device(void);
void input_free_polled_device(struct input_polled_dev *dev);
int input_register_polled_device(struct input_polled_dev *dev);
void input_unregister_polled_device(struct input_polled_dev *dev);
#endif
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