diff --git a/audio/2.0/default/Device.cpp b/audio/2.0/default/Device.cpp
index 8a51cd7..5ced0bc 100644
--- a/audio/2.0/default/Device.cpp
+++ b/audio/2.0/default/Device.cpp
@@ -59,6 +59,14 @@
     }
 }
 
+void Device::closeInputStream(audio_stream_in_t* stream) {
+    mDevice->close_input_stream(mDevice, stream);
+}
+
+void Device::closeOutputStream(audio_stream_out_t* stream) {
+    mDevice->close_output_stream(mDevice, stream);
+}
+
 char* Device::halGetParameters(const char* keys) {
     return mDevice->get_parameters(mDevice, keys);
 }
@@ -160,7 +168,7 @@
     ALOGV("open_output_stream status %d stream %p", status, halStream);
     sp<IStreamOut> streamOut;
     if (status == OK) {
-        streamOut = new StreamOut(mDevice, halStream);
+        streamOut = new StreamOut(this, halStream);
     }
     AudioConfig suggestedConfig;
     HidlUtils::audioConfigFromHal(halConfig, &suggestedConfig);
@@ -196,7 +204,7 @@
     ALOGV("open_input_stream status %d stream %p", status, halStream);
     sp<IStreamIn> streamIn;
     if (status == OK) {
-        streamIn = new StreamIn(mDevice, halStream);
+        streamIn = new StreamIn(this, halStream);
     }
     AudioConfig suggestedConfig;
     HidlUtils::audioConfigFromHal(halConfig, &suggestedConfig);
diff --git a/audio/2.0/default/Device.h b/audio/2.0/default/Device.h
index 46177fc..7738361 100644
--- a/audio/2.0/default/Device.h
+++ b/audio/2.0/default/Device.h
@@ -98,6 +98,8 @@
 
     // Utility methods for extending interfaces.
     Result analyzeStatus(const char* funcName, int status);
+    void closeInputStream(audio_stream_in_t* stream);
+    void closeOutputStream(audio_stream_out_t* stream);
     audio_hw_device_t* device() const { return mDevice; }
 
   private:
diff --git a/audio/2.0/default/StreamIn.cpp b/audio/2.0/default/StreamIn.cpp
index b641e82..2745607 100644
--- a/audio/2.0/default/StreamIn.cpp
+++ b/audio/2.0/default/StreamIn.cpp
@@ -135,7 +135,7 @@
 
 }  // namespace
 
-StreamIn::StreamIn(audio_hw_device_t* device, audio_stream_in_t* stream)
+StreamIn::StreamIn(const sp<Device>& device, audio_stream_in_t* stream)
         : mIsClosed(false), mDevice(device), mStream(stream),
           mStreamCommon(new Stream(&stream->common)),
           mStreamMmap(new StreamMmap<audio_stream_in_t>(stream)),
@@ -154,9 +154,8 @@
         status_t status = EventFlag::deleteEventFlag(&mEfGroup);
         ALOGE_IF(status, "read MQ event flag deletion error: %s", strerror(-status));
     }
-    mDevice->close_input_stream(mDevice, mStream);
+    mDevice->closeInputStream(mStream);
     mStream = nullptr;
-    mDevice = nullptr;
 }
 
 // Methods from ::android::hardware::audio::V2_0::IStream follow.
diff --git a/audio/2.0/default/StreamIn.h b/audio/2.0/default/StreamIn.h
index b867387..950d68f 100644
--- a/audio/2.0/default/StreamIn.h
+++ b/audio/2.0/default/StreamIn.h
@@ -27,6 +27,7 @@
 #include <hidl/Status.h>
 #include <utils/Thread.h>
 
+#include "Device.h"
 #include "Stream.h"
 
 namespace android {
@@ -55,7 +56,7 @@
     typedef MessageQueue<uint8_t, kSynchronizedReadWrite> DataMQ;
     typedef MessageQueue<ReadStatus, kSynchronizedReadWrite> StatusMQ;
 
-    StreamIn(audio_hw_device_t* device, audio_stream_in_t* stream);
+    StreamIn(const sp<Device>& device, audio_stream_in_t* stream);
 
     // Methods from ::android::hardware::audio::V2_0::IStream follow.
     Return<uint64_t> getFrameSize()  override;
@@ -101,10 +102,10 @@
 
   private:
     bool mIsClosed;
-    audio_hw_device_t *mDevice;
+    const sp<Device> mDevice;
     audio_stream_in_t *mStream;
-    sp<Stream> mStreamCommon;
-    sp<StreamMmap<audio_stream_in_t>> mStreamMmap;
+    const sp<Stream> mStreamCommon;
+    const sp<StreamMmap<audio_stream_in_t>> mStreamMmap;
     std::unique_ptr<CommandMQ> mCommandMQ;
     std::unique_ptr<DataMQ> mDataMQ;
     std::unique_ptr<StatusMQ> mStatusMQ;
diff --git a/audio/2.0/default/StreamOut.cpp b/audio/2.0/default/StreamOut.cpp
index d820f3c..88045a0 100644
--- a/audio/2.0/default/StreamOut.cpp
+++ b/audio/2.0/default/StreamOut.cpp
@@ -135,7 +135,7 @@
 
 }  // namespace
 
-StreamOut::StreamOut(audio_hw_device_t* device, audio_stream_out_t* stream)
+StreamOut::StreamOut(const sp<Device>& device, audio_stream_out_t* stream)
         : mIsClosed(false), mDevice(device), mStream(stream),
           mStreamCommon(new Stream(&stream->common)),
           mStreamMmap(new StreamMmap<audio_stream_out_t>(stream)),
@@ -155,9 +155,8 @@
         ALOGE_IF(status, "write MQ event flag deletion error: %s", strerror(-status));
     }
     mCallback.clear();
-    mDevice->close_output_stream(mDevice, mStream);
+    mDevice->closeOutputStream(mStream);
     mStream = nullptr;
-    mDevice = nullptr;
 }
 
 // Methods from ::android::hardware::audio::V2_0::IStream follow.
diff --git a/audio/2.0/default/StreamOut.h b/audio/2.0/default/StreamOut.h
index bbe64a1..99352bc 100644
--- a/audio/2.0/default/StreamOut.h
+++ b/audio/2.0/default/StreamOut.h
@@ -27,6 +27,7 @@
 #include <fmq/MessageQueue.h>
 #include <utils/Thread.h>
 
+#include "Device.h"
 #include "Stream.h"
 
 namespace android {
@@ -57,7 +58,7 @@
     typedef MessageQueue<uint8_t, kSynchronizedReadWrite> DataMQ;
     typedef MessageQueue<WriteStatus, kSynchronizedReadWrite> StatusMQ;
 
-    StreamOut(audio_hw_device_t* device, audio_stream_out_t* stream);
+    StreamOut(const sp<Device>& device, audio_stream_out_t* stream);
 
     // Methods from ::android::hardware::audio::V2_0::IStream follow.
     Return<uint64_t> getFrameSize()  override;
@@ -112,10 +113,10 @@
 
   private:
     bool mIsClosed;
-    audio_hw_device_t *mDevice;
+    const sp<Device> mDevice;
     audio_stream_out_t *mStream;
-    sp<Stream> mStreamCommon;
-    sp<StreamMmap<audio_stream_out_t>> mStreamMmap;
+    const sp<Stream> mStreamCommon;
+    const sp<StreamMmap<audio_stream_out_t>> mStreamMmap;
     sp<IStreamOutCallback> mCallback;
     std::unique_ptr<CommandMQ> mCommandMQ;
     std::unique_ptr<DataMQ> mDataMQ;
diff --git a/broadcastradio/1.1/ITuner.hal b/broadcastradio/1.1/ITuner.hal
index 82d45c6..dd7c844 100644
--- a/broadcastradio/1.1/ITuner.hal
+++ b/broadcastradio/1.1/ITuner.hal
@@ -47,8 +47,8 @@
      *
      * @return result OK if the scan was properly scheduled (this does not mean
      *                it successfully finished).
-     *                TEMPORARILY_UNAVAILABLE if the background scan is
-     *                temporarily unavailable, ie. due to ongoing foreground
+     *                UNAVAILABLE if the background scan is unavailable,
+     *                ie. temporarily due to ongoing foreground
      *                playback in single-tuner device.
      *                NOT_INITIALIZED other error, ie. HW failure.
      */
@@ -74,4 +74,33 @@
     getProgramList(string filter)
         generates (ProgramListResult result, vec<ProgramInfo> programList);
 
+    /**
+     * Checks, if the analog playback is forced, see setAnalogForced.
+     *
+     * The isForced value is only valid if result was OK.
+     *
+     * @return result OK if the call succeeded and isForced is valid.
+     *                INVALID_STATE if the switch is not supported at current
+     *                configuration.
+     *                NOT_INITIALIZED if any other error occurs.
+     * @return isForced true if analog is forced, false otherwise.
+     */
+    isAnalogForced() generates (Result result, bool isForced);
+
+    /**
+     * Forces the analog playback for the supporting radio technology.
+     *
+     * User may disable digital playback for FM HD Radio or hybrid FM/DAB with
+     * this option. This is purely user choice, ie. does not reflect digital-
+     * analog handover managed from the HAL implementation side.
+     *
+     * Some radio technologies may not support this, ie. DAB.
+     *
+     * @param isForced true to force analog, false for a default behaviour.
+     * @return result OK if the setting was successfully done.
+     *                INVALID_STATE if the switch is not supported at current
+     *                configuration.
+     *                NOT_INITIALIZED if any other error occurs.
+     */
+    setAnalogForced(bool isForced) generates (Result result);
 };
diff --git a/broadcastradio/1.1/ITunerCallback.hal b/broadcastradio/1.1/ITunerCallback.hal
index 07ce984..158e217 100644
--- a/broadcastradio/1.1/ITunerCallback.hal
+++ b/broadcastradio/1.1/ITunerCallback.hal
@@ -40,11 +40,19 @@
     oneway afSwitch_1_1(ProgramInfo info);
 
     /**
+     * Called by the HAL when background scan feature becomes available or not.
+     *
+     * @param isAvailable true, if the tuner turned temporarily background-
+     *                    capable, false in the other case.
+     */
+    oneway backgroundScanAvailable(bool isAvailable);
+
+    /**
      * Called by the HAL when background scan initiated by startBackgroundScan
      * finishes. If the list was changed, programListChanged must be called too.
      * @param result OK if the scan succeeded, client may retrieve the actual
      *               list with ITuner::getProgramList.
-     *               TEMPORARILY_UNAVAILABLE if the scan was interrupted due to
+     *               UNAVAILABLE if the scan was interrupted due to
      *               hardware becoming temporarily unavailable.
      *               NOT_INITIALIZED other error, ie. HW failure.
      */
diff --git a/broadcastradio/1.1/default/Tuner.cpp b/broadcastradio/1.1/default/Tuner.cpp
index f280754..4a6c691 100644
--- a/broadcastradio/1.1/default/Tuner.cpp
+++ b/broadcastradio/1.1/default/Tuner.cpp
@@ -211,6 +211,17 @@
     return Void();
 }
 
+Return<void> Tuner::isAnalogForced(isAnalogForced_cb _hidl_cb) {
+    // TODO(b/34348946): do the actual implementation.
+    _hidl_cb(Result::NOT_INITIALIZED, false);
+    return Void();
+}
+
+Return<Result> Tuner::setAnalogForced(bool isForced __unused) {
+    // TODO(b/34348946): do the actual implementation.
+    return Result::NOT_INITIALIZED;
+}
+
 } // namespace implementation
 }  // namespace V1_1
 }  // namespace broadcastradio
diff --git a/broadcastradio/1.1/default/Tuner.h b/broadcastradio/1.1/default/Tuner.h
index d7b4545..57eafd3 100644
--- a/broadcastradio/1.1/default/Tuner.h
+++ b/broadcastradio/1.1/default/Tuner.h
@@ -44,6 +44,8 @@
     Return<void> getProgramInformation_1_1(getProgramInformation_1_1_cb _hidl_cb) override;
     Return<ProgramListResult> startBackgroundScan() override;
     Return<void> getProgramList(const hidl_string& filter, getProgramList_cb _hidl_cb) override;
+    Return<void> isAnalogForced(isAnalogForced_cb _hidl_cb) override;
+    Return<Result> setAnalogForced(bool isForced) override;
 
     static void callback(radio_hal_event_t *halEvent, void *cookie);
     void onCallback(radio_hal_event_t *halEvent);
diff --git a/broadcastradio/1.1/types.hal b/broadcastradio/1.1/types.hal
index 3021f2e..3016efe 100644
--- a/broadcastradio/1.1/types.hal
+++ b/broadcastradio/1.1/types.hal
@@ -23,7 +23,7 @@
 enum ProgramListResult : Result {
     NOT_READY,
     NOT_STARTED,
-    TEMPORARILY_UNAVAILABLE,
+    UNAVAILABLE,
 };
 
 /**
diff --git a/broadcastradio/1.1/vts/functional/VtsHalBroadcastradioV1_1TargetTest.cpp b/broadcastradio/1.1/vts/functional/VtsHalBroadcastradioV1_1TargetTest.cpp
index d3c05c4..aa5ab54 100644
--- a/broadcastradio/1.1/vts/functional/VtsHalBroadcastradioV1_1TargetTest.cpp
+++ b/broadcastradio/1.1/vts/functional/VtsHalBroadcastradioV1_1TargetTest.cpp
@@ -129,6 +129,10 @@
             return Void();
         }
 
+        virtual Return<void> backgroundScanAvailable(bool isAvailable __unused) {
+            return Void();
+        }
+
         virtual Return<void> backgroundScanComplete(ProgramListResult result __unused) {
             return Void();
         }
diff --git a/graphics/common/1.0/types.hal b/graphics/common/1.0/types.hal
index 979e4c4..8aa0779 100644
--- a/graphics/common/1.0/types.hal
+++ b/graphics/common/1.0/types.hal
@@ -181,9 +181,17 @@
      *    - GRALLOC_USAGE_SW_*
      *    - GRALLOC_USAGE_RENDERSCRIPT
      *
-     * When used with ANativeWindow, the dataSpace should be
-     * HAL_DATASPACE_ARBITRARY, as raw image sensor buffers require substantial
-     * extra metadata to define.
+     * When used with ANativeWindow, the mapping of the dataSpace field to
+     * buffer contents for RAW16 is as follows:
+     *
+     *  dataSpace value               | Buffer contents
+     * -------------------------------+-----------------------------------------
+     *  HAL_DATASPACE_ARBITRARY       | Raw image sensor data, layout is as
+     *                                | defined above.
+     *  HAL_DATASPACE_DEPTH           | Unprocessed implementation-dependent raw
+     *                                | depth measurements, opaque with 16 bit
+     *                                | samples.
+     *  Other                         | Unsupported
      */
     RAW16 = 0x20,