Name
input_mt_get_slot_by_key —
return slot matching key
Synopsis
int input_mt_get_slot_by_key ( | struct input_dev * dev, |
| | int key); |
Arguments
dev
input device with allocated MT slots
key
the key of the sought slot
Description
Returns the slot of the given key, if it exists, otherwise
set the key on the first unused slot and return.
If no available slot can be found, -1 is returned.
Note that for this function to work properly, input_mt_sync_frame has
to be called at each frame.