diff --git a/include/hardware/sensors-base.h b/include/hardware/sensors-base.h
index b88a8c2..7dc42a0 100644
--- a/include/hardware/sensors-base.h
+++ b/include/hardware/sensors-base.h
@@ -53,6 +53,10 @@
     SENSOR_TYPE_ACCELEROMETER_UNCALIBRATED = 35,
     SENSOR_TYPE_HINGE_ANGLE = 36,
     SENSOR_TYPE_HEAD_TRACKER = 37,
+    SENSOR_TYPE_ACCELEROMETER_LIMITED_AXES = 38,
+    SENSOR_TYPE_GYROSCOPE_LIMITED_AXES = 39,
+    SENSOR_TYPE_ACCELEROMETER_LIMITED_AXES_UNCALIBRATED = 40,
+    SENSOR_TYPE_GYROSCOPE_LIMITED_AXES_UNCALIBRATED = 41,
     SENSOR_TYPE_DEVICE_PRIVATE_BASE = 65536 /* 0x10000 */,
 };