return input_mt_get_value(slot, ABS_MT_TRACKING_ID) >= 0;
}
+static inline bool input_mt_is_used(const struct input_mt *mt,
+ const struct input_mt_slot *slot)
+{
+ return slot->frame == mt->frame;
+}
+
int input_mt_init_slots(struct input_dev *dev, unsigned int num_slots,
unsigned int flags);
void input_mt_destroy_slots(struct input_dev *dev);