struct_input_mt (9)

struct input_mt {
  int trkid;
  int num_slots;
  int slot;
  unsigned int flags;
  unsigned int frame;
  int * red;
  struct input_mt_slot slots[];
};

trkid

stores MT tracking ID for the next contact

num_slots

number of MT slots the device uses

slot

MT slot currently being transmitted

flags

input_mt operation flags

frame

increases every time input_mt_sync_frame is called

red

reduced cost matrix for in-kernel tracking

slots[]

array of slots holding current values of tracked contacts