Merge "Spatializer: update getSupportedHeadTrackingModes()" into tm-dev
diff --git a/media/libaudioclient/aidl/android/media/ISpatializer.aidl b/media/libaudioclient/aidl/android/media/ISpatializer.aidl
index b871238..a61ad58 100644
--- a/media/libaudioclient/aidl/android/media/ISpatializer.aidl
+++ b/media/libaudioclient/aidl/android/media/ISpatializer.aidl
@@ -57,8 +57,10 @@
     boolean isHeadTrackingSupported();
 
     /** Reports the list of supported head tracking modes (see SpatializerHeadTrackingMode.aidl).
-     * The list can be empty if the spatializer implementation does not support head tracking or if
-     * no head tracking sensor is registered (see setHeadSensor() and setScreenSensor()).
+     * The list always contains SpatializerHeadTrackingMode.DISABLED and can include other modes
+     * if the spatializer effect implementation supports head tracking.
+     * The result does not depend on currently connected sensors but reflects the capabilities
+     * when sensors are available.
      */
     SpatializerHeadTrackingMode[] getSupportedHeadTrackingModes();
 
diff --git a/services/audiopolicy/service/Spatializer.cpp b/services/audiopolicy/service/Spatializer.cpp
index 389233e..ef11072 100644
--- a/services/audiopolicy/service/Spatializer.cpp
+++ b/services/audiopolicy/service/Spatializer.cpp
@@ -342,12 +342,7 @@
 
     modes->push_back(SpatializerHeadTrackingMode::DISABLED);
     if (mSupportsHeadTracking) {
-        if (mHeadSensor != SpatializerPoseController::INVALID_SENSOR) {
-            modes->push_back(SpatializerHeadTrackingMode::RELATIVE_WORLD);
-            if (mScreenSensor != SpatializerPoseController::INVALID_SENSOR) {
-                modes->push_back(SpatializerHeadTrackingMode::RELATIVE_SCREEN);
-            }
-        }
+        modes->push_back(SpatializerHeadTrackingMode::RELATIVE_WORLD);
     }
     return Status::ok();
 }