diff options
| author | Ingo Molnar <mingo@elte.hu> | 2011-02-14 11:55:18 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-02-14 11:55:18 +0100 |
| commit | d2137d5af4259f50c19addb8246a186c9ffac325 (patch) | |
| tree | 2f7e309f9cf8ef2f2698532c226edda38021fe69 /include/linux/input/mt.h | |
| parent | f005fe12b90c5b9fe180a09209a893e09affa8aa (diff) | |
| parent | 795abaf1e4e188c4171e3cd3dbb11a9fcacaf505 (diff) | |
Merge branch 'linus' into x86/bootmem
Conflicts:
arch/x86/mm/numa_64.c
Merge reason: fix the conflict, update to latest -rc and pick up this
dependent fix from Yinghai:
e6d2e2b2b1e1: memblock: don't adjust size in memblock_find_base()
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/input/mt.h')
| -rw-r--r-- | include/linux/input/mt.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/include/linux/input/mt.h b/include/linux/input/mt.h new file mode 100644 index 000000000000..b3ac06a4435d --- /dev/null +++ b/include/linux/input/mt.h @@ -0,0 +1,57 @@ +#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> + +#define TRKID_MAX 0xffff + +/** + * 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_init_slots(struct input_dev *dev, unsigned int num_slots); +void input_mt_destroy_slots(struct input_dev *dev); + +static inline int input_mt_new_trkid(struct input_dev *dev) +{ + return dev->trkid++ & TRKID_MAX; +} + +static inline void input_mt_slot(struct input_dev *dev, int slot) +{ + input_event(dev, EV_ABS, ABS_MT_SLOT, slot); +} + +void input_mt_report_slot_state(struct input_dev *dev, + unsigned int tool_type, bool active); + +void input_mt_report_finger_count(struct input_dev *dev, int count); +void input_mt_report_pointer_emulation(struct input_dev *dev, bool use_count); + +#endif |
