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Input: estimate number of events per packet

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Calculate a default based on the number of ABS axes, REL axes,
and MT slots for the device during input device registration.

Signed-off-by: Jeff Brown <jeffbrown@android.com>
Reviewed-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Jeff Brown
2011-04-18 10:08:02 -07:00
committed by Dmitry Torokhov
parent 9fb0f14e31
commit 80b4895aa4
2 changed files with 46 additions and 0 deletions
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6
include/linux/input/mt.h
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@ -48,6 +48,12 @@ static inline void input_mt_slot(struct input_dev *dev, int slot)
input_event(dev, EV_ABS, ABS_MT_SLOT, slot);
}
static inline bool input_is_mt_axis(int axis)
{
return axis == ABS_MT_SLOT ||
(axis >= ABS_MT_FIRST && axis <= ABS_MT_LAST);
}
void input_mt_report_slot_state(struct input_dev *dev,
unsigned int tool_type, bool active);