mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-19 02:34:01 +08:00
47c78e8913
In preparation for common code to handle a larger set of MT slots devices, move the slots handling over to a separate file. Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
45 lines
1.0 KiB
C
45 lines
1.0 KiB
C
#ifndef _INPUT_MT_H
|
|
#define _INPUT_MT_H
|
|
|
|
/*
|
|
* Input Multitouch Library
|
|
*
|
|
* Copyright (c) 2010 Henrik Rydberg
|
|
*
|
|
* 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>
|
|
|
|
/**
|
|
* struct input_mt_slot - represents the state of an input MT slot
|
|
* @abs: holds current values of ABS_MT axes for this slot
|
|
*/
|
|
struct input_mt_slot {
|
|
int abs[ABS_MT_LAST - ABS_MT_FIRST + 1];
|
|
};
|
|
|
|
static inline void input_mt_set_value(struct input_mt_slot *slot,
|
|
unsigned code, int value)
|
|
{
|
|
slot->abs[code - ABS_MT_FIRST] = value;
|
|
}
|
|
|
|
static inline int input_mt_get_value(const struct input_mt_slot *slot,
|
|
unsigned code)
|
|
{
|
|
return slot->abs[code - ABS_MT_FIRST];
|
|
}
|
|
|
|
int input_mt_create_slots(struct input_dev *dev, unsigned int num_slots);
|
|
void input_mt_destroy_slots(struct input_dev *dev);
|
|
|
|
static inline void input_mt_slot(struct input_dev *dev, int slot)
|
|
{
|
|
input_event(dev, EV_ABS, ABS_MT_SLOT, slot);
|
|
}
|
|
|
|
#endif
|