lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

input: mt: Break out slots handling

Browse Source 
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>
This commit is contained in:
Henrik Rydberg
2010-11-27 09:16:48 +01:00
parent c8ddb2713c
commit 47c78e8913
9 changed files with 108 additions and 65 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
include/linux/input/mt.h Normal file
View File

@ -0,0 +1,44 @@
#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