input_mt_init_slots_flags9
Initialize mt input slots
Usage
int input_mt_init_slots_flags(struct input_dev * dev, unsigned int num_slots, unsigned int flags);
Arguments
dev
input device supporting MT events and finger tracking
num_slots
number of slots used by the device
flags
-- undescribed --
Overview
This function allocates all necessary memory for MT slot handling in the input device, prepares the ABS_MT_SLOT and ABS_MT_TRACKING_ID events for use and sets up appropriate buffers. May be called repeatedly. Returns -EINVAL if attempting to reinitialize with a different number of slots.