ABS_MT_TRACKING_ID
int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
[ABS_MT_TRACKING_ID] = "MTTrackingID",
int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
int mt_id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
input_event(dev, EV_ABS, ABS_MT_TRACKING_ID, -1);
id = input_mt_get_value(slot, ABS_MT_TRACKING_ID);
input_event(dev, EV_ABS, ABS_MT_TRACKING_ID, id);
int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
input_handle_event(dev, EV_ABS, ABS_MT_TRACKING_ID, -1);
input_set_abs_params(dev, ABS_MT_TRACKING_ID, 0, TRKID_MAX, 0, 0);
input_mt_set_value(&mt->slots[i], ABS_MT_TRACKING_ID, -1);
} else if (test_bit(ABS_MT_TRACKING_ID, dev->absbit)) {
mt_slots = dev->absinfo[ABS_MT_TRACKING_ID].maximum -
dev->absinfo[ABS_MT_TRACKING_ID].minimum + 1;
return input_mt_get_value(slot, ABS_MT_TRACKING_ID) >= 0;