diff options
Diffstat (limited to 'include/linux/input/mt.h')
-rw-r--r-- | include/linux/input/mt.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/include/linux/input/mt.h b/include/linux/input/mt.h new file mode 100644 index 000000000000..4f5e9d0e2eae --- /dev/null +++ b/include/linux/input/mt.h | |||
@@ -0,0 +1,44 @@ | |||
1 | #ifndef _INPUT_MT_H | ||
2 | #define _INPUT_MT_H | ||
3 | |||
4 | /* | ||
5 | * Input Multitouch Library | ||
6 | * | ||
7 | * Copyright (c) 2010 Henrik Rydberg | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or modify it | ||
10 | * under the terms of the GNU General Public License version 2 as published by | ||
11 | * the Free Software Foundation. | ||
12 | */ | ||
13 | |||
14 | #include <linux/input.h> | ||
15 | |||
16 | /** | ||
17 | * struct input_mt_slot - represents the state of an input MT slot | ||
18 | * @abs: holds current values of ABS_MT axes for this slot | ||
19 | */ | ||
20 | struct input_mt_slot { | ||
21 | int abs[ABS_MT_LAST - ABS_MT_FIRST + 1]; | ||
22 | }; | ||
23 | |||
24 | static inline void input_mt_set_value(struct input_mt_slot *slot, | ||
25 | unsigned code, int value) | ||
26 | { | ||
27 | slot->abs[code - ABS_MT_FIRST] = value; | ||
28 | } | ||
29 | |||
30 | static inline int input_mt_get_value(const struct input_mt_slot *slot, | ||
31 | unsigned code) | ||
32 | { | ||
33 | return slot->abs[code - ABS_MT_FIRST]; | ||
34 | } | ||
35 | |||
36 | int input_mt_create_slots(struct input_dev *dev, unsigned int num_slots); | ||
37 | void input_mt_destroy_slots(struct input_dev *dev); | ||
38 | |||
39 | static inline void input_mt_slot(struct input_dev *dev, int slot) | ||
40 | { | ||
41 | input_event(dev, EV_ABS, ABS_MT_SLOT, slot); | ||
42 | } | ||
43 | |||
44 | #endif | ||