diff --git a/camera/device/3.3/ICameraDeviceSession.hal b/camera/device/3.3/ICameraDeviceSession.hal
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+++ b/camera/device/3.3/ICameraDeviceSession.hal
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+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.camera.device@3.3;
+
+import android.hardware.camera.common@1.0::Status;
+import android.hardware.camera.device@3.2::ICameraDeviceSession;
+import android.hardware.camera.device@3.2::StreamConfiguration;
+
+/**
+ * Camera device active session interface.
+ *
+ * Obtained via ICameraDevice::open(), this interface contains the methods to
+ * configure and request captures from an active camera device.
+ *
+ */
+interface ICameraDeviceSession extends @3.2::ICameraDeviceSession {
+
+    /**
+     * configureStreams_3_3:
+     *
+     * Identical to @3.2::ICameraDeviceSession.configureStreams, except that:
+     *
+     * - The output HalStreamConfiguration now contains an overrideDataspace
+     *   field, to be used by the HAL to select a different dataspace for some
+     *   use cases when dealing with the IMPLEMENTATION_DEFINED pixel format.
+     *
+     * Clients may invoke either this method or
+     * @3.2::ICameraDeviceSession.configureStreams() for stream configuration.
+     * This method is recommended for clients to use since it provides more
+     * flexibility.
+     */
+    configureStreams_3_3(StreamConfiguration requestedConfiguration)
+            generates (Status status,
+                    @3.3::HalStreamConfiguration halConfiguration);
+
+};