diff --git a/include/android/sensor.h b/include/android/sensor.h
index 77a5a1c..d58c460 100644
--- a/include/android/sensor.h
+++ b/include/android/sensor.h
@@ -210,11 +210,18 @@
 
 /*
  * Returns the default sensor for the given type, or NULL if no sensor
- * of that type exist.
+ * of that type exists.
  */
 ASensor const* ASensorManager_getDefaultSensor(ASensorManager* manager, int type);
 
 /*
+ * Returns the default sensor with the given type and wakeUp properties or NULL if no sensor
+ * of this type and wakeUp properties exists.
+ */
+ASensor const* ASensorManager_getDefaultSensorEx(ASensorManager* manager, int type,
+        bool wakeUp);
+
+/*
  * Creates a new sensor event queue and associate it with a looper.
  */
 ASensorEventQueue* ASensorManager_createEventQueue(ASensorManager* manager,
@@ -321,6 +328,11 @@
  */
 int ASensor_getReportingMode(ASensor const* sensor);
 
+/*
+ * Returns true if this is a wake up sensor, false otherwise.
+ */
+bool ASensor_isWakeUpSensor(ASensor const* sensor);
+
 #ifdef __cplusplus
 };
 #endif