diff --git a/broadcastradio/1.2/IBroadcastRadioFactory.hal b/broadcastradio/1.2/IBroadcastRadioFactory.hal
new file mode 100644
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+++ b/broadcastradio/1.2/IBroadcastRadioFactory.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.broadcastradio@1.2;
+
+import @1.1::IBroadcastRadioFactory;
+
+/**
+ * To use 1.2 features you must cast specific interfaces returned from the
+ * 1.0 HAL. For example V1_0::IBroadcastRadio::openTuner() returns V1_0::ITuner,
+ * which can be cast with V1_2::ITuner::castFrom() call.
+ *
+ * The 1.2 server must always return the 1.2 version of specific interface.
+ */
+interface IBroadcastRadioFactory extends @1.1::IBroadcastRadioFactory {
+};