diff --git a/drivers/hid/hid-qvr.c b/drivers/hid/hid-qvr.c
index eb0a30d2587e..19d2b9899cae 100644
--- a/drivers/hid/hid-qvr.c
+++ b/drivers/hid/hid-qvr.c
@@ -621,8 +621,10 @@ static int qvr_external_sensor_raw_event(struct hid_device *hid,
 		else if (data[0] == 2 && data[1] == 1) { /*calibration data*/
 			sensor->calib_data_pkt = data;
 			sensor->calib_data_recv = 1;
-		} else if (data[0] == 2 && data[1] == 4) /*calibration ack*/
+		} else if (data[0] == 2 && data[1] == 4) { /*calibration ack*/
 			sensor->ext_ack = 1;
+			wake_up(&wq);
+		}
 
 	}
 	return ret;