Merge "Virtual Face: use file_contexts in system/sepolicy" into main
diff --git a/audio/aidl/default/EngineConfigXmlConverter.cpp b/audio/aidl/default/EngineConfigXmlConverter.cpp
index 5a8b0a3..d945b17 100644
--- a/audio/aidl/default/EngineConfigXmlConverter.cpp
+++ b/audio/aidl/default/EngineConfigXmlConverter.cpp
@@ -179,8 +179,13 @@
         const eng_xsd::ProductStrategies::ProductStrategy& xsdcProductStrategy) {
     AudioHalProductStrategy aidlProductStrategy;
 
-    aidlProductStrategy.id =
-            VALUE_OR_FATAL(convertProductStrategyIdToAidl(xsdcProductStrategy.getId()));
+    if (xsdcProductStrategy.hasId()) {
+        aidlProductStrategy.id =
+                VALUE_OR_FATAL(convertProductStrategyIdToAidl(xsdcProductStrategy.getId()));
+    } else {
+        aidlProductStrategy.id =
+                VALUE_OR_FATAL(convertProductStrategyNameToAidl(xsdcProductStrategy.getName()));
+    }
     aidlProductStrategy.name = xsdcProductStrategy.getName();
 
     if (xsdcProductStrategy.hasAttributesGroup()) {
diff --git a/audio/aidl/default/config/audioPolicy/engine/audio_policy_engine_configuration.xsd b/audio/aidl/default/config/audioPolicy/engine/audio_policy_engine_configuration.xsd
index c16e366..cfd99eb 100644
--- a/audio/aidl/default/config/audioPolicy/engine/audio_policy_engine_configuration.xsd
+++ b/audio/aidl/default/config/audioPolicy/engine/audio_policy_engine_configuration.xsd
@@ -105,7 +105,8 @@
                         <xs:element name="AttributesGroup" type="AttributesGroup" minOccurs="1" maxOccurs="unbounded"/>
                     </xs:sequence>
                     <xs:attribute name="name" type="xs:string" use="required"/>
-                    <xs:attribute name="id" type="xs:int" use="required"/>
+                    <!-- Only needs to be specified for vendor strategies. -->
+                    <xs:attribute name="id" type="xs:int" use="optional"/>
                 </xs:complexType>
             </xs:element>
         </xs:sequence>
diff --git a/audio/aidl/default/r_submix/StreamRemoteSubmix.cpp b/audio/aidl/default/r_submix/StreamRemoteSubmix.cpp
index ea59771..cef0ea6 100644
--- a/audio/aidl/default/r_submix/StreamRemoteSubmix.cpp
+++ b/audio/aidl/default/r_submix/StreamRemoteSubmix.cpp
@@ -77,17 +77,15 @@
 }
 
 ::android::status_t StreamRemoteSubmix::drain(StreamDescriptor::DrainMode) {
-    usleep(1000);
     return ::android::OK;
 }
 
 ::android::status_t StreamRemoteSubmix::flush() {
-    usleep(1000);
-    return ::android::OK;
+    // TODO(b/372951987): consider if this needs to be done from 'StreamInWorkerLogic::cycle'.
+    return mIsInput ? standby() : ::android::OK;
 }
 
 ::android::status_t StreamRemoteSubmix::pause() {
-    usleep(1000);
     return ::android::OK;
 }
 
diff --git a/audio/aidl/default/r_submix/SubmixRoute.cpp b/audio/aidl/default/r_submix/SubmixRoute.cpp
index 325a012..445b1d3 100644
--- a/audio/aidl/default/r_submix/SubmixRoute.cpp
+++ b/audio/aidl/default/r_submix/SubmixRoute.cpp
@@ -134,10 +134,10 @@
 // - the peer input is in standby AFTER having been active.
 // We DO block if:
 // - the input was never activated to avoid discarding first frames in the pipe in case capture
-// start was delayed
+//   start was delayed
 bool SubmixRoute::shouldBlockWrite() {
     std::lock_guard guard(mLock);
-    return (mStreamInOpen || (mStreamInStandby && (mReadCounterFrames != 0)));
+    return mStreamInOpen && (!mStreamInStandby || mReadCounterFrames == 0);
 }
 
 long SubmixRoute::updateReadCounterFrames(size_t frameCount) {
diff --git a/audio/aidl/vts/EffectHelper.h b/audio/aidl/vts/EffectHelper.h
index eedac3d..8ceb56b 100644
--- a/audio/aidl/vts/EffectHelper.h
+++ b/audio/aidl/vts/EffectHelper.h
@@ -47,6 +47,7 @@
 using aidl::android::hardware::audio::effect::getRange;
 using aidl::android::hardware::audio::effect::IEffect;
 using aidl::android::hardware::audio::effect::isRangeValid;
+using aidl::android::hardware::audio::effect::kDrainSupportedVersion;
 using aidl::android::hardware::audio::effect::kEffectTypeUuidSpatializer;
 using aidl::android::hardware::audio::effect::kEventFlagDataMqNotEmpty;
 using aidl::android::hardware::audio::effect::kEventFlagDataMqUpdate;
@@ -195,8 +196,11 @@
                 ASSERT_TRUE(expectState(effect, State::PROCESSING));
                 break;
             case CommandId::STOP:
-                ASSERT_TRUE(expectState(effect, State::IDLE) ||
-                            expectState(effect, State::DRAINING));
+                // Enforce the state checking after kDrainSupportedVersion
+                if (getHalVersion(effect) >= kDrainSupportedVersion) {
+                    ASSERT_TRUE(expectState(effect, State::IDLE) ||
+                                expectState(effect, State::DRAINING));
+                }
                 break;
             case CommandId::RESET:
                 ASSERT_TRUE(expectState(effect, State::IDLE));
@@ -518,6 +522,11 @@
         }
     }
 
+    static int getHalVersion(const std::shared_ptr<IEffect>& effect) {
+        int version = 0;
+        return (effect && effect->getInterfaceVersion(&version).isOk()) ? version : 0;
+    }
+
     bool mIsSpatializer;
     Descriptor mDescriptor;
     size_t mInputFrameSize, mOutputFrameSize;
diff --git a/audio/aidl/vts/VtsHalAECTargetTest.cpp b/audio/aidl/vts/VtsHalAECTargetTest.cpp
index 53b6757..c007f18 100644
--- a/audio/aidl/vts/VtsHalAECTargetTest.cpp
+++ b/audio/aidl/vts/VtsHalAECTargetTest.cpp
@@ -139,12 +139,12 @@
 };
 
 TEST_P(AECParamTest, SetAndGetEchoDelay) {
-    EXPECT_NO_FATAL_FAILURE(addEchoDelayParam(mEchoDelay));
+    addEchoDelayParam(mEchoDelay);
     SetAndGetParameters();
 }
 
 TEST_P(AECParamTest, SetAndGetMobileMode) {
-    EXPECT_NO_FATAL_FAILURE(addMobileModeParam(mMobileMode));
+    addMobileModeParam(mMobileMode);
     SetAndGetParameters();
 }
 
diff --git a/audio/aidl/vts/VtsHalAGC1TargetTest.cpp b/audio/aidl/vts/VtsHalAGC1TargetTest.cpp
index f14afbc..72a2d5e 100644
--- a/audio/aidl/vts/VtsHalAGC1TargetTest.cpp
+++ b/audio/aidl/vts/VtsHalAGC1TargetTest.cpp
@@ -139,17 +139,17 @@
 };
 
 TEST_P(AGC1ParamTest, SetAndGetTargetPeakLevelParam) {
-    EXPECT_NO_FATAL_FAILURE(addTargetPeakLevelParam(mTargetPeakLevel));
+    addTargetPeakLevelParam(mTargetPeakLevel);
     SetAndGetParameters();
 }
 
 TEST_P(AGC1ParamTest, SetAndGetMaxCompressionGain) {
-    EXPECT_NO_FATAL_FAILURE(addMaxCompressionGainParam(mMaxCompressionGain));
+    addMaxCompressionGainParam(mMaxCompressionGain);
     SetAndGetParameters();
 }
 
 TEST_P(AGC1ParamTest, SetAndGetEnableLimiter) {
-    EXPECT_NO_FATAL_FAILURE(addEnableLimiterParam(mEnableLimiter));
+    addEnableLimiterParam(mEnableLimiter);
     SetAndGetParameters();
 }
 
diff --git a/audio/aidl/vts/VtsHalAGC2TargetTest.cpp b/audio/aidl/vts/VtsHalAGC2TargetTest.cpp
index 048d540..ccac8c5 100644
--- a/audio/aidl/vts/VtsHalAGC2TargetTest.cpp
+++ b/audio/aidl/vts/VtsHalAGC2TargetTest.cpp
@@ -145,17 +145,17 @@
 };
 
 TEST_P(AGC2ParamTest, SetAndGetDigitalGainParam) {
-    EXPECT_NO_FATAL_FAILURE(addDigitalGainParam(mGain));
+    addDigitalGainParam(mGain);
     SetAndGetParameters();
 }
 
 TEST_P(AGC2ParamTest, SetAndGetSaturationMargin) {
-    EXPECT_NO_FATAL_FAILURE(addSaturationMarginParam(mMargin));
+    addSaturationMarginParam(mMargin);
     SetAndGetParameters();
 }
 
 TEST_P(AGC2ParamTest, SetAndGetLevelEstimator) {
-    EXPECT_NO_FATAL_FAILURE(addLevelEstimatorParam(mLevelEstimator));
+    addLevelEstimatorParam(mLevelEstimator);
     SetAndGetParameters();
 }
 
diff --git a/audio/aidl/vts/VtsHalAudioCoreModuleTargetTest.cpp b/audio/aidl/vts/VtsHalAudioCoreModuleTargetTest.cpp
index 93c2a61..750e54d 100644
--- a/audio/aidl/vts/VtsHalAudioCoreModuleTargetTest.cpp
+++ b/audio/aidl/vts/VtsHalAudioCoreModuleTargetTest.cpp
@@ -938,6 +938,8 @@
         LOG(DEBUG) << __func__;
         return "";
     }
+    const std::vector<int8_t>& getData() const { return mData; }
+    void fillData(int8_t filler) { std::fill(mData.begin(), mData.end(), filler); }
     std::optional<StreamDescriptor::Command> maybeGetNextCommand(int* actualSize = nullptr) {
         TransitionTrigger trigger = mDriver->getNextTrigger(mData.size(), actualSize);
         if (StreamEventReceiver::Event* expEvent =
@@ -1007,6 +1009,8 @@
     StreamReaderLogic(const StreamContext& context, StreamLogicDriver* driver,
                       StreamEventReceiver* eventReceiver)
         : StreamCommonLogic(context, driver, eventReceiver) {}
+    // Should only be called after the worker has joined.
+    const std::vector<int8_t>& getData() const { return StreamCommonLogic::getData(); }
 
   protected:
     Status cycle() override {
@@ -1072,6 +1076,7 @@
         if (const size_t readCount =
                     !isMmapped() ? getDataMQ()->availableToRead() : reply.fmqByteCount;
             readCount > 0) {
+            fillData(-1);
             if (isMmapped() ? readDataFromMmap(readCount) : readDataFromMQ(readCount)) {
                 goto checkAcceptedReply;
             }
@@ -1093,6 +1098,8 @@
     StreamWriterLogic(const StreamContext& context, StreamLogicDriver* driver,
                       StreamEventReceiver* eventReceiver)
         : StreamCommonLogic(context, driver, eventReceiver) {}
+    // Should only be called after the worker has joined.
+    const std::vector<int8_t>& getData() const { return StreamCommonLogic::getData(); }
 
   protected:
     Status cycle() override {
@@ -1109,6 +1116,14 @@
             return Status::ABORT;
         }
         if (actualSize != 0) {
+            if (command.getTag() == StreamDescriptor::Command::burst) {
+                fillData(mBurstIteration);
+                if (mBurstIteration < std::numeric_limits<int8_t>::max()) {
+                    mBurstIteration++;
+                } else {
+                    mBurstIteration = 0;
+                }
+            }
             if (isMmapped() ? !writeDataToMmap() : !writeDataToMQ()) {
                 return Status::ABORT;
             }
@@ -1167,6 +1182,9 @@
         LOG(ERROR) << __func__ << ": unacceptable reply: " << reply.toString();
         return Status::ABORT;
     }
+
+  private:
+    int8_t mBurstIteration = 1;
 };
 using StreamWriter = StreamWorker<StreamWriterLogic>;
 
@@ -2859,10 +2877,12 @@
         ASSERT_NO_FATAL_FAILURE(mStream->SetUpStream(module, getMinimumStreamBufferSizeFrames()));
     }
 
-    void SetUpStreamForDevicePort(IModule* module, ModuleConfig* moduleConfig,
-                                  const AudioPort& devicePort, bool connectedOnly = false) {
-        ASSERT_NO_FATAL_FAILURE(
-                SetUpPortConfigForDevicePort(module, moduleConfig, devicePort, connectedOnly));
+    void SetUpStreamForDevicePort(
+            IModule* module, ModuleConfig* moduleConfig, const AudioPort& devicePort,
+            bool connectedOnly = false,
+            const std::optional<AudioDeviceAddress>& connectionAddress = std::nullopt) {
+        ASSERT_NO_FATAL_FAILURE(SetUpPortConfigForDevicePort(module, moduleConfig, devicePort,
+                                                             connectedOnly, connectionAddress));
         if (!mSkipTestReason.empty()) return;
         ASSERT_NO_FATAL_FAILURE(SetUpStream(module));
     }
@@ -2898,6 +2918,23 @@
         if (!mSkipTestReason.empty()) return;
         ASSERT_NO_FATAL_FAILURE(SetUpStream(module));
     }
+    void SetUpStreamForNewMixPortConfig(IModule* module, ModuleConfig*,
+                                        const AudioPortConfig& existingMixPortConfig,
+                                        const AudioPortConfig& existingDevicePortConfig) {
+        auto mixPortConfig = existingMixPortConfig;
+        mixPortConfig.id = 0;
+        mMixPortConfig = std::make_unique<WithAudioPortConfig>(mixPortConfig);
+        ASSERT_NO_FATAL_FAILURE(mMixPortConfig->SetUp(module));
+        mDevicePortConfig = std::make_unique<WithAudioPortConfig>(existingDevicePortConfig);
+        ASSERT_NO_FATAL_FAILURE(mDevicePortConfig->SetUp(module));
+        mDevice = existingDevicePortConfig.ext.get<AudioPortExt::device>().device;
+        mPatch = std::make_unique<WithAudioPatch>(mIsInput, mMixPortConfig->get(),
+                                                  mDevicePortConfig->get());
+        ASSERT_NO_FATAL_FAILURE(mPatch->SetUp(module));
+        mStream = std::make_unique<WithStream<Stream>>(mMixPortConfig->get());
+        ASSERT_NO_FATAL_FAILURE(mStream->SetUpPortConfig(module));
+        ASSERT_NO_FATAL_FAILURE(SetUpStream(module));
+    }
     void SetUpPatchForMixPortConfig(IModule* module, ModuleConfig* moduleConfig,
                                     const AudioPortConfig& mixPortConfig) {
         constexpr bool connectedOnly = true;
@@ -2929,6 +2966,7 @@
     }
 
     const AudioDevice& getDevice() const { return mDevice; }
+    const AudioPortConfig& getDevicePortConfig() const { return mDevicePortConfig->get(); }
     int32_t getMinimumStreamBufferSizeFrames() const {
         return mPatch->getMinimumStreamBufferSizeFrames();
     }
@@ -2944,7 +2982,8 @@
   private:
     void SetUpDevicePort(IModule* module, ModuleConfig* moduleConfig,
                          const std::set<int32_t>& devicePortIds, bool connectedOnly,
-                         std::optional<AudioPort>* connectedDevicePort) {
+                         std::optional<AudioPort>* connectedDevicePort,
+                         const std::optional<AudioDeviceAddress>& connectionAddress) {
         const auto attachedDevicePorts = moduleConfig->getAttachedDevicePorts();
         if (auto it = findAny<AudioPort>(attachedDevicePorts, devicePortIds);
             it != attachedDevicePorts.end()) {
@@ -2961,7 +3000,12 @@
             const auto externalDevicePorts = moduleConfig->getExternalDevicePorts();
             if (auto it = findAny<AudioPort>(externalDevicePorts, devicePortIds);
                 it != externalDevicePorts.end()) {
-                AudioPort portWithData = GenerateUniqueDeviceAddress(*it);
+                AudioPort portWithData = *it;
+                if (connectionAddress.has_value()) {
+                    portWithData.ext.get<AudioPortExt::Tag::device>().device.address =
+                            *connectionAddress;
+                }
+                portWithData = GenerateUniqueDeviceAddress(portWithData);
                 mPortConnected = std::make_unique<WithDevicePortConnectedState>(portWithData);
                 ASSERT_NO_FATAL_FAILURE(mPortConnected->SetUp(module, moduleConfig));
                 *connectedDevicePort = mPortConnected->get();
@@ -2980,9 +3024,9 @@
             LOG(DEBUG) << __func__ << ": " << mSkipTestReason;
             return;
         };
-        ASSERT_NO_FATAL_FAILURE(SetUpDevicePort(module, moduleConfig,
-                                                extractIds<AudioPort>(devicePorts), connectedOnly,
-                                                connectedDevicePort));
+        ASSERT_NO_FATAL_FAILURE(SetUpDevicePort(
+                module, moduleConfig, extractIds<AudioPort>(devicePorts), connectedOnly,
+                connectedDevicePort, std::nullopt /*connectionAddress*/));
         if (!connectedDevicePort->has_value()) {
             mSkipTestReason = std::string("Unable to find a device port pair for mix port id ")
                                       .append(std::to_string(mixPort.id));
@@ -2990,11 +3034,14 @@
             return;
         }
     }
-    void SetUpPortConfigForDevicePort(IModule* module, ModuleConfig* moduleConfig,
-                                      const AudioPort& devicePort, bool connectedOnly) {
+    void SetUpPortConfigForDevicePort(
+            IModule* module, ModuleConfig* moduleConfig, const AudioPort& devicePort,
+            bool connectedOnly,
+            const std::optional<AudioDeviceAddress>& connectionAddress = std::nullopt) {
         std::optional<AudioPort> connectedDevicePort;
         ASSERT_NO_FATAL_FAILURE(SetUpDevicePort(module, moduleConfig, {devicePort.id},
-                                                connectedOnly, &connectedDevicePort));
+                                                connectedOnly, &connectedDevicePort,
+                                                connectionAddress));
         if (!connectedDevicePort.has_value()) {
             mSkipTestReason = std::string("Device port id ")
                                       .append(std::to_string(devicePort.id))
@@ -3135,7 +3182,8 @@
 };
 
 // Defined later together with state transition sequences.
-std::shared_ptr<StateSequence> makeBurstCommands(bool isSync);
+std::shared_ptr<StateSequence> makeBurstCommands(bool isSync, size_t burstCount = 10,
+                                                 bool standbyInputWhenDone = false);
 
 // Certain types of ports can not be used without special preconditions.
 static bool skipStreamIoTestForMixPortConfig(const AudioPortConfig& portConfig) {
@@ -3160,10 +3208,11 @@
   public:
     explicit StreamFixtureWithWorker(bool isSync) : mIsSync(isSync) {}
 
-    void SetUp(IModule* module, ModuleConfig* moduleConfig, const AudioPort& devicePort) {
+    void SetUp(IModule* module, ModuleConfig* moduleConfig, const AudioPort& devicePort,
+               const std::optional<AudioDeviceAddress>& connectionAddress = std::nullopt) {
         mStream = std::make_unique<StreamFixture<Stream>>();
-        ASSERT_NO_FATAL_FAILURE(
-                mStream->SetUpStreamForDevicePort(module, moduleConfig, devicePort));
+        ASSERT_NO_FATAL_FAILURE(mStream->SetUpStreamForDevicePort(
+                module, moduleConfig, devicePort, false /*connectedOnly*/, connectionAddress));
         MaybeSetSkipTestReason();
     }
 
@@ -3175,26 +3224,42 @@
         MaybeSetSkipTestReason();
     }
 
-    void SendBurstCommands(bool validatePosition = true) {
-        ASSERT_NO_FATAL_FAILURE(StartWorkerToSendBurstCommands());
+    void SetUp(IModule* module, ModuleConfig* moduleConfig,
+               const AudioPortConfig& existingMixPortConfig,
+               const AudioPortConfig& existingDevicePortConfig) {
+        mStream = std::make_unique<StreamFixture<Stream>>();
+        ASSERT_NO_FATAL_FAILURE(mStream->SetUpStreamForNewMixPortConfig(
+                module, moduleConfig, existingMixPortConfig, existingDevicePortConfig));
+        MaybeSetSkipTestReason();
+    }
+
+    void SendBurstCommands(bool validatePosition = true, size_t burstCount = 10,
+                           bool standbyInputWhenDone = false) {
+        ASSERT_NO_FATAL_FAILURE(StartWorkerToSendBurstCommands(burstCount, standbyInputWhenDone));
         ASSERT_NO_FATAL_FAILURE(JoinWorkerAfterBurstCommands(validatePosition));
     }
 
-    void StartWorkerToSendBurstCommands() {
+    void StartWorkerToSendBurstCommands(size_t burstCount = 10, bool standbyInputWhenDone = false) {
+        if (!IOTraits<Stream>::is_input) {
+            ASSERT_FALSE(standbyInputWhenDone) << "Only supported for input";
+        }
         const StreamContext* context = mStream->getStreamContext();
         mWorkerDriver = std::make_unique<StreamLogicDefaultDriver>(
-                makeBurstCommands(mIsSync), context->getFrameSizeBytes(), context->isMmapped());
+                makeBurstCommands(mIsSync, burstCount, standbyInputWhenDone),
+                context->getFrameSizeBytes(), context->isMmapped());
         mWorker = std::make_unique<typename IOTraits<Stream>::Worker>(
                 *context, mWorkerDriver.get(), mStream->getStreamEventReceiver());
         LOG(DEBUG) << __func__ << ": starting " << IOTraits<Stream>::directionStr << " worker...";
         ASSERT_TRUE(mWorker->start());
     }
 
-    void JoinWorkerAfterBurstCommands(bool validatePosition = true) {
-        // Must call 'prepareToClose' before attempting to join because the stream may be stuck.
-        std::shared_ptr<IStreamCommon> common;
-        ASSERT_IS_OK(mStream->getStream()->getStreamCommon(&common));
-        ASSERT_IS_OK(common->prepareToClose());
+    void JoinWorkerAfterBurstCommands(bool validatePosition = true,
+                                      bool callPrepareToClose = true) {
+        if (callPrepareToClose) {
+            std::shared_ptr<IStreamCommon> common;
+            ASSERT_IS_OK(mStream->getStream()->getStreamCommon(&common));
+            ASSERT_IS_OK(common->prepareToClose());
+        }
         LOG(DEBUG) << __func__ << ": joining " << IOTraits<Stream>::directionStr << " worker...";
         mWorker->join();
         EXPECT_FALSE(mWorker->hasError()) << mWorker->getError();
@@ -3205,6 +3270,7 @@
             EXPECT_FALSE(mWorkerDriver->hasObservableRetrogradePosition());
             EXPECT_FALSE(mWorkerDriver->hasHardwareRetrogradePosition());
         }
+        mLastData = mWorker->getData();
         mWorker.reset();
         mWorkerDriver.reset();
     }
@@ -3212,6 +3278,9 @@
     void TeardownPatch() { mStream->TeardownPatch(); }
 
     const AudioDevice& getDevice() const { return mStream->getDevice(); }
+    const AudioPortConfig& getDevicePortConfig() const { return mStream->getDevicePortConfig(); }
+    const std::vector<int8_t>& getLastData() const { return mLastData; }
+    const AudioPortConfig& getPortConfig() const { return mStream->getPortConfig(); }
     Stream* getStream() const { return mStream->getStream(); }
     std::string skipTestReason() const {
         return !mSkipTestReason.empty() ? mSkipTestReason : mStream->skipTestReason();
@@ -3229,6 +3298,7 @@
     std::unique_ptr<StreamFixture<Stream>> mStream;
     std::unique_ptr<StreamLogicDefaultDriver> mWorkerDriver;
     std::unique_ptr<typename IOTraits<Stream>::Worker> mWorker;
+    std::vector<int8_t> mLastData;
 };
 
 template <typename Stream>
@@ -4576,15 +4646,20 @@
 
 // TODO: Add async test cases for input once it is implemented.
 
-std::shared_ptr<StateSequence> makeBurstCommands(bool isSync) {
+std::shared_ptr<StateSequence> makeBurstCommands(bool isSync, size_t burstCount,
+                                                 bool standbyInputWhenDone) {
     using State = StreamDescriptor::State;
     auto d = std::make_unique<StateDag>();
-    StateDag::Node last = d->makeFinalNode(State::ACTIVE);
+    StateDag::Node active = d->makeFinalNode(State::ACTIVE);
+    StateDag::Node paused = d->makeNodes({std::make_pair(State::ACTIVE, kPauseCommand),
+                                          std::make_pair(State::PAUSED, kFlushCommand)},
+                                         State::STANDBY);
+    StateDag::Node& last = standbyInputWhenDone ? paused : active;
     if (isSync) {
         StateDag::Node idle = d->makeNode(
                 State::IDLE, kBurstCommand,
                 // Use several bursts to ensure that the driver starts reporting the position.
-                d->makeNodes(State::ACTIVE, kBurstCommand, 10, last));
+                d->makeNodes(State::ACTIVE, kBurstCommand, burstCount, last));
         d->makeNode(State::STANDBY, kStartCommand, idle);
     } else {
         StateDag::Node active2 = d->makeNode(State::ACTIVE, kBurstCommand, last);
@@ -4949,49 +5024,69 @@
   public:
     WithRemoteSubmix() : mStream(true /*isSync*/) {}
     explicit WithRemoteSubmix(AudioDeviceAddress address)
-        : mStream(true /*isSync*/), mAddress(address) {}
+        : mStream(true /*isSync*/), mAddress(address) {
+        LOG(DEBUG) << __func__ << ": Creating " << IOTraits<Stream>::directionStr
+                   << " stream for: " << mAddress.value_or(AudioDeviceAddress{}).toString();
+    }
     WithRemoteSubmix(const WithRemoteSubmix&) = delete;
     WithRemoteSubmix& operator=(const WithRemoteSubmix&) = delete;
+    ~WithRemoteSubmix() {
+        LOG(DEBUG) << __func__ << ": Deleting " << IOTraits<Stream>::directionStr
+                   << " stream for: " << mAddress.value_or(AudioDeviceAddress{}).toString();
+    }
 
-    static std::optional<AudioPort> getRemoteSubmixAudioPort(
-            ModuleConfig* moduleConfig,
-            const std::optional<AudioDeviceAddress>& address = std::nullopt) {
+    static std::optional<AudioPort> getRemoteSubmixAudioPort(ModuleConfig* moduleConfig) {
         auto ports =
                 moduleConfig->getRemoteSubmixPorts(IOTraits<Stream>::is_input, true /*singlePort*/);
         if (ports.empty()) return {};
-        AudioPort port = ports.front();
-        if (address) {
-            port.ext.template get<AudioPortExt::Tag::device>().device.address = address.value();
-        }
-        return port;
+        return ports.front();
     }
 
     void SetUp(IModule* module, ModuleConfig* moduleConfig) {
-        auto devicePort = getRemoteSubmixAudioPort(moduleConfig, mAddress);
+        auto devicePort = getRemoteSubmixAudioPort(moduleConfig);
         ASSERT_TRUE(devicePort.has_value()) << "Device port for remote submix device not found";
-        ASSERT_NO_FATAL_FAILURE(mStream.SetUp(module, moduleConfig, *devicePort));
+        ASSERT_NO_FATAL_FAILURE(mStream.SetUp(module, moduleConfig, *devicePort, mAddress));
         mAddress = mStream.getDevice().address;
     }
-
-    void StartWorkerToSendBurstCommands() {
-        ASSERT_NO_FATAL_FAILURE(mStream.StartWorkerToSendBurstCommands());
+    void SetUp(IModule* module, ModuleConfig* moduleConfig,
+               const AudioPortConfig& existingMixPortConfig,
+               const AudioPortConfig& existingDevicePortConfig) {
+        ASSERT_NO_FATAL_FAILURE(mStream.SetUp(module, moduleConfig, existingMixPortConfig,
+                                              existingDevicePortConfig));
+        mAddress = mStream.getDevice().address;
+    }
+    void StartWorkerToSendBurstCommands(size_t burstCount = 10, bool standbyInputWhenDone = false) {
+        ASSERT_NO_FATAL_FAILURE(
+                mStream.StartWorkerToSendBurstCommands(burstCount, standbyInputWhenDone));
     }
 
-    void JoinWorkerAfterBurstCommands() {
-        ASSERT_NO_FATAL_FAILURE(mStream.JoinWorkerAfterBurstCommands());
+    void JoinWorkerAfterBurstCommands(bool callPrepareToCloseBeforeJoin) {
+        ASSERT_NO_FATAL_FAILURE(mStream.JoinWorkerAfterBurstCommands(
+                true /*validatePositionIncrease*/, callPrepareToCloseBeforeJoin));
     }
 
-    void SendBurstCommands() {
-        ASSERT_NO_FATAL_FAILURE(mStream.StartWorkerToSendBurstCommands());
-        ASSERT_NO_FATAL_FAILURE(mStream.JoinWorkerAfterBurstCommands());
+    void JoinWorkerAfterBurstCommands(bool validatePositionIncrease,
+                                      bool callPrepareToCloseBeforeJoin) {
+        ASSERT_NO_FATAL_FAILURE(mStream.JoinWorkerAfterBurstCommands(validatePositionIncrease,
+                                                                     callPrepareToCloseBeforeJoin));
+    }
+
+    void SendBurstCommands(bool callPrepareToCloseBeforeJoin, size_t burstCount = 10,
+                           bool standbyInputWhenDone = false) {
+        ASSERT_NO_FATAL_FAILURE(StartWorkerToSendBurstCommands(burstCount, standbyInputWhenDone));
+        // When 'burstCount == 0', there is no "previous" frame count, thus the check for
+        // the position increase fails.
+        ASSERT_NO_FATAL_FAILURE(JoinWorkerAfterBurstCommands(
+                burstCount > 0 /*validatePositionIncrease*/, callPrepareToCloseBeforeJoin));
     }
 
     std::optional<AudioDeviceAddress> getAudioDeviceAddress() const { return mAddress; }
+    const AudioPortConfig& getDevicePortConfig() const { return mStream.getDevicePortConfig(); }
+    int8_t getLastBurstIteration() const { return mStream.getLastData()[0]; }
+    const AudioPortConfig& getPortConfig() const { return mStream.getPortConfig(); }
     std::string skipTestReason() const { return mStream.skipTestReason(); }
 
   private:
-    void SetUp(IModule* module, ModuleConfig* moduleConfig, const AudioPort& devicePort) {}
-
     StreamFixtureWithWorker<Stream> mStream;
     std::optional<AudioDeviceAddress> mAddress;
 };
@@ -5007,77 +5102,130 @@
         }
         ASSERT_NO_FATAL_FAILURE(SetUpModuleConfig());
     }
+
+    void TearDown() override {
+        streamIn.reset();
+        streamOut.reset();
+    }
+
+    void CreateOutputStream() {
+        streamOut = std::make_unique<WithRemoteSubmix<IStreamOut>>();
+        ASSERT_NO_FATAL_FAILURE(streamOut->SetUp(module.get(), moduleConfig.get()));
+        // Note: any issue with connection attempts is considered as a problem.
+        ASSERT_EQ("", streamOut->skipTestReason());
+        ASSERT_TRUE(streamOut->getAudioDeviceAddress().has_value());
+    }
+
+    void CreateInputStream(const std::optional<AudioDeviceAddress>& address = std::nullopt) {
+        if (address.has_value()) {
+            streamIn = std::make_unique<WithRemoteSubmix<IStreamIn>>(address.value());
+        } else {
+            ASSERT_TRUE(streamOut->getAudioDeviceAddress().has_value());
+            streamIn = std::make_unique<WithRemoteSubmix<IStreamIn>>(
+                    streamOut->getAudioDeviceAddress().value());
+        }
+        ASSERT_NO_FATAL_FAILURE(streamIn->SetUp(module.get(), moduleConfig.get()));
+        ASSERT_EQ("", streamIn->skipTestReason());
+        auto inAddress = streamIn->getAudioDeviceAddress();
+        ASSERT_TRUE(inAddress.has_value());
+        if (address.has_value()) {
+            if (address.value() != AudioDeviceAddress{}) {
+                ASSERT_EQ(address.value(), inAddress.value());
+            }
+        } else {
+            ASSERT_EQ(streamOut->getAudioDeviceAddress().value(), inAddress.value());
+        }
+    }
+
+    std::unique_ptr<WithRemoteSubmix<IStreamOut>> streamOut;
+    std::unique_ptr<WithRemoteSubmix<IStreamIn>> streamIn;
 };
 
 TEST_P(AudioModuleRemoteSubmix, OutputDoesNotBlockWhenNoInput) {
-    WithRemoteSubmix<IStreamOut> streamOut;
-    ASSERT_NO_FATAL_FAILURE(streamOut.SetUp(module.get(), moduleConfig.get()));
-    // Note: here and in other tests any issue with connection attempts is considered as a problem.
-    ASSERT_EQ("", streamOut.skipTestReason());
-    ASSERT_NO_FATAL_FAILURE(streamOut.SendBurstCommands());
+    ASSERT_NO_FATAL_FAILURE(CreateOutputStream());
+    ASSERT_NO_FATAL_FAILURE(streamOut->SendBurstCommands(false /*callPrepareToCloseBeforeJoin*/));
 }
 
-TEST_P(AudioModuleRemoteSubmix, OutputDoesNotBlockWhenInputStuck) {
-    WithRemoteSubmix<IStreamOut> streamOut;
-    ASSERT_NO_FATAL_FAILURE(streamOut.SetUp(module.get(), moduleConfig.get()));
-    ASSERT_EQ("", streamOut.skipTestReason());
-    auto address = streamOut.getAudioDeviceAddress();
-    ASSERT_TRUE(address.has_value());
+TEST_P(AudioModuleRemoteSubmix, OutputDoesNotBlockWhenInputInStandby) {
+    if (int32_t version; module->getInterfaceVersion(&version).isOk() && version < 3) {
+        GTEST_SKIP() << "Default remote submix implementation <V3 could not pass this test";
+    }
+    ASSERT_NO_FATAL_FAILURE(CreateOutputStream());
+    ASSERT_NO_FATAL_FAILURE(CreateInputStream());
+    ASSERT_NO_FATAL_FAILURE(streamOut->StartWorkerToSendBurstCommands());
+    // Send just 1 burst command. This triggers the condition "input is in standby after
+    // being active." The output must flush the fifo before writing to avoid being blocked.
+    ASSERT_NO_FATAL_FAILURE(
+            streamIn->StartWorkerToSendBurstCommands(1, true /*stanbyInputWhenDone*/));
+    // The output must be able to close without shutting down the pipe first (due to a call
+    // to 'prepareToClose').
+    ASSERT_NO_FATAL_FAILURE(
+            streamOut->JoinWorkerAfterBurstCommands(false /*callPrepareToCloseBeforeJoin*/));
+    ASSERT_NO_FATAL_FAILURE(
+            streamIn->JoinWorkerAfterBurstCommands(false /*callPrepareToCloseBeforeJoin*/));
+}
 
-    WithRemoteSubmix<IStreamIn> streamIn(address.value());
-    ASSERT_NO_FATAL_FAILURE(streamIn.SetUp(module.get(), moduleConfig.get()));
-    ASSERT_EQ("", streamIn.skipTestReason());
+TEST_P(AudioModuleRemoteSubmix, BlockedOutputUnblocksOnClose) {
+    ASSERT_NO_FATAL_FAILURE(CreateOutputStream());
+    ASSERT_NO_FATAL_FAILURE(CreateInputStream());
+    ASSERT_NO_FATAL_FAILURE(streamOut->StartWorkerToSendBurstCommands());
+    // Send just 3 burst command, but do not enter standby. This is a stalled input.
+    ASSERT_NO_FATAL_FAILURE(streamIn->StartWorkerToSendBurstCommands(3));
+    ASSERT_NO_FATAL_FAILURE(
+            streamOut->JoinWorkerAfterBurstCommands(true /*callPrepareToCloseBeforeJoin*/));
+    ASSERT_NO_FATAL_FAILURE(
+            streamIn->JoinWorkerAfterBurstCommands(false /*callPrepareToCloseBeforeJoin*/));
+}
 
-    ASSERT_NO_FATAL_FAILURE(streamOut.SendBurstCommands());
+TEST_P(AudioModuleRemoteSubmix, OutputBlocksUntilInputStarts) {
+    ASSERT_NO_FATAL_FAILURE(CreateOutputStream());
+    ASSERT_NO_FATAL_FAILURE(CreateInputStream());
+    ASSERT_NO_FATAL_FAILURE(streamOut->StartWorkerToSendBurstCommands());
+    // Read the head of the pipe and check that it starts with the first output burst, that is,
+    // the contents of the very first write has not been superseded due to pipe overflow.
+    // The burstCount is '0' because the very first burst is used to exit from the 'IDLE' state,
+    // see 'makeBurstCommands'.
+    ASSERT_NO_FATAL_FAILURE(streamIn->SendBurstCommands(false /*callPrepareToCloseBeforeJoin*/, 0,
+                                                        true /*standbyInputWhenDone*/));
+    EXPECT_EQ(1, streamIn->getLastBurstIteration());
+    ASSERT_NO_FATAL_FAILURE(
+            streamOut->JoinWorkerAfterBurstCommands(true /*callPrepareToCloseBeforeJoin*/));
 }
 
 TEST_P(AudioModuleRemoteSubmix, OutputAndInput) {
-    WithRemoteSubmix<IStreamOut> streamOut;
-    ASSERT_NO_FATAL_FAILURE(streamOut.SetUp(module.get(), moduleConfig.get()));
-    ASSERT_EQ("", streamOut.skipTestReason());
-    auto address = streamOut.getAudioDeviceAddress();
-    ASSERT_TRUE(address.has_value());
-
-    WithRemoteSubmix<IStreamIn> streamIn(address.value());
-    ASSERT_NO_FATAL_FAILURE(streamIn.SetUp(module.get(), moduleConfig.get()));
-    ASSERT_EQ("", streamIn.skipTestReason());
-
+    ASSERT_NO_FATAL_FAILURE(CreateOutputStream());
+    ASSERT_NO_FATAL_FAILURE(CreateInputStream());
     // Start writing into the output stream.
-    ASSERT_NO_FATAL_FAILURE(streamOut.StartWorkerToSendBurstCommands());
+    ASSERT_NO_FATAL_FAILURE(streamOut->StartWorkerToSendBurstCommands());
     // Simultaneously, read from the input stream.
-    ASSERT_NO_FATAL_FAILURE(streamIn.SendBurstCommands());
-    ASSERT_NO_FATAL_FAILURE(streamOut.JoinWorkerAfterBurstCommands());
+    ASSERT_NO_FATAL_FAILURE(streamIn->SendBurstCommands(false /*callPrepareToCloseBeforeJoin*/));
+    ASSERT_NO_FATAL_FAILURE(
+            streamOut->JoinWorkerAfterBurstCommands(false /*callPrepareToCloseBeforeJoin*/));
 }
 
 TEST_P(AudioModuleRemoteSubmix, OpenInputMultipleTimes) {
-    WithRemoteSubmix<IStreamOut> streamOut;
-    ASSERT_NO_FATAL_FAILURE(streamOut.SetUp(module.get(), moduleConfig.get()));
-    ASSERT_EQ("", streamOut.skipTestReason());
-    auto address = streamOut.getAudioDeviceAddress();
-    ASSERT_TRUE(address.has_value());
-
-    const size_t streamInCount = 3;
-    std::vector<std::unique_ptr<WithRemoteSubmix<IStreamIn>>> streamIns(streamInCount);
-    for (size_t i = 0; i < streamInCount; i++) {
-        streamIns[i] = std::make_unique<WithRemoteSubmix<IStreamIn>>(address.value());
-        ASSERT_NO_FATAL_FAILURE(streamIns[i]->SetUp(module.get(), moduleConfig.get()));
+    ASSERT_NO_FATAL_FAILURE(CreateOutputStream());
+    ASSERT_NO_FATAL_FAILURE(CreateInputStream());
+    ASSERT_NO_FATAL_FAILURE(streamOut->StartWorkerToSendBurstCommands());
+    ASSERT_NO_FATAL_FAILURE(streamIn->SendBurstCommands(false /*callPrepareToCloseBeforeJoin*/, 1,
+                                                        true /*standbyInputWhenDone*/));
+    // For the new stream, only create a new mix port config and a new patch.
+    const size_t extraStreamInCount = 2;
+    std::vector<std::unique_ptr<WithRemoteSubmix<IStreamIn>>> streamIns(extraStreamInCount);
+    for (size_t i = 0; i < extraStreamInCount; i++) {
+        streamIns[i] = std::make_unique<WithRemoteSubmix<IStreamIn>>();
+        ASSERT_NO_FATAL_FAILURE(streamIns[i]->SetUp(module.get(), moduleConfig.get(),
+                                                    streamIn->getPortConfig(),
+                                                    streamIn->getDevicePortConfig()));
         ASSERT_EQ("", streamIns[i]->skipTestReason());
+        const auto inAddress = streamIns[i]->getAudioDeviceAddress();
+        ASSERT_TRUE(inAddress.has_value());
+        ASSERT_EQ(streamOut->getAudioDeviceAddress().value(), inAddress.value());
+        ASSERT_NO_FATAL_FAILURE(streamIns[i]->SendBurstCommands(
+                false /*callPrepareToCloseBeforeJoin*/, 1, true /*standbyInputWhenDone*/));
     }
-    // Start writing into the output stream.
-    ASSERT_NO_FATAL_FAILURE(streamOut.StartWorkerToSendBurstCommands());
-    // Simultaneously, read from input streams.
-    for (size_t i = 0; i < streamInCount; i++) {
-        ASSERT_NO_FATAL_FAILURE(streamIns[i]->StartWorkerToSendBurstCommands());
-    }
-    for (size_t i = 0; i < streamInCount; i++) {
-        ASSERT_NO_FATAL_FAILURE(streamIns[i]->JoinWorkerAfterBurstCommands());
-    }
-    ASSERT_NO_FATAL_FAILURE(streamOut.JoinWorkerAfterBurstCommands());
-    // Clean up input streams in the reverse order because the device connection is owned
-    // by the first one.
-    for (size_t i = streamInCount; i != 0; --i) {
-        streamIns[i - 1].reset();
-    }
+    ASSERT_NO_FATAL_FAILURE(
+            streamOut->JoinWorkerAfterBurstCommands(false /*callPrepareToCloseBeforeJoin*/));
 }
 
 INSTANTIATE_TEST_SUITE_P(AudioModuleRemoteSubmixTest, AudioModuleRemoteSubmix,
diff --git a/audio/aidl/vts/VtsHalDynamicsProcessingTest.cpp b/audio/aidl/vts/VtsHalDynamicsProcessingTest.cpp
index 3b1f3d9..37441f0 100644
--- a/audio/aidl/vts/VtsHalDynamicsProcessingTest.cpp
+++ b/audio/aidl/vts/VtsHalDynamicsProcessingTest.cpp
@@ -542,7 +542,7 @@
 };
 
 TEST_P(DynamicsProcessingTestEngineArchitecture, SetAndGetEngineArch) {
-    EXPECT_NO_FATAL_FAILURE(addEngineConfig(mCfg));
+    addEngineConfig(mCfg);
     ASSERT_NO_FATAL_FAILURE(SetAndGetDynamicsProcessingParameters());
 }
 
@@ -594,7 +594,7 @@
 };
 
 TEST_P(DynamicsProcessingTestInputGain, SetAndGetInputGain) {
-    EXPECT_NO_FATAL_FAILURE(addInputGain(mInputGain));
+    addInputGain(mInputGain);
     ASSERT_NO_FATAL_FAILURE(SetAndGetDynamicsProcessingParameters());
 }
 
@@ -652,7 +652,7 @@
             mInputGain.push_back(DynamicsProcessing::InputGain(i, gainDb));
         }
         std::vector<float> output(mInput.size());
-        EXPECT_NO_FATAL_FAILURE(addInputGain(mInputGain));
+        addInputGain(mInputGain);
         EXPECT_NO_FATAL_FAILURE(setParamsAndProcess(mInput, output));
         if (!isAllParamsValid()) {
             continue;
@@ -719,8 +719,8 @@
 };
 
 TEST_P(DynamicsProcessingTestLimiterConfig, SetAndGetLimiterConfig) {
-    EXPECT_NO_FATAL_FAILURE(addEngineConfig(mEngineConfigPreset));
-    EXPECT_NO_FATAL_FAILURE(addLimiterConfig(mLimiterConfigList));
+    addEngineConfig(mEngineConfigPreset);
+    addLimiterConfig(mLimiterConfigList);
     ASSERT_NO_FATAL_FAILURE(SetAndGetDynamicsProcessingParameters());
 }
 
@@ -782,8 +782,8 @@
     }
 
     void setLimiterParamsAndProcess(std::vector<float>& input, std::vector<float>& output) {
-        EXPECT_NO_FATAL_FAILURE(addEngineConfig(mEngineConfigPreset));
-        EXPECT_NO_FATAL_FAILURE(addLimiterConfig(mLimiterConfigList));
+        addEngineConfig(mEngineConfigPreset);
+        addLimiterConfig(mLimiterConfigList);
         EXPECT_NO_FATAL_FAILURE(setParamsAndProcess(input, output));
     }
 
@@ -937,20 +937,20 @@
 };
 
 TEST_P(DynamicsProcessingTestChannelConfig, SetAndGetPreEqChannelConfig) {
-    EXPECT_NO_FATAL_FAILURE(addEngineConfig(mEngineConfigPreset));
-    EXPECT_NO_FATAL_FAILURE(addPreEqChannelConfig(mCfg));
+    addEngineConfig(mEngineConfigPreset);
+    addPreEqChannelConfig(mCfg);
     ASSERT_NO_FATAL_FAILURE(SetAndGetDynamicsProcessingParameters());
 }
 
 TEST_P(DynamicsProcessingTestChannelConfig, SetAndGetPostEqChannelConfig) {
-    EXPECT_NO_FATAL_FAILURE(addEngineConfig(mEngineConfigPreset));
-    EXPECT_NO_FATAL_FAILURE(addPostEqChannelConfig(mCfg));
+    addEngineConfig(mEngineConfigPreset);
+    addPostEqChannelConfig(mCfg);
     ASSERT_NO_FATAL_FAILURE(SetAndGetDynamicsProcessingParameters());
 }
 
 TEST_P(DynamicsProcessingTestChannelConfig, SetAndGetMbcChannelConfig) {
-    EXPECT_NO_FATAL_FAILURE(addEngineConfig(mEngineConfigPreset));
-    EXPECT_NO_FATAL_FAILURE(addMbcChannelConfig(mCfg));
+    addEngineConfig(mEngineConfigPreset);
+    addMbcChannelConfig(mCfg);
     ASSERT_NO_FATAL_FAILURE(SetAndGetDynamicsProcessingParameters());
 }
 
@@ -1018,27 +1018,27 @@
 
 TEST_P(DynamicsProcessingTestEqBandConfig, SetAndGetPreEqBandConfig) {
     mEngineConfigPreset.preEqStage.bandCount = mCfgs.size();
-    EXPECT_NO_FATAL_FAILURE(addEngineConfig(mEngineConfigPreset));
+    addEngineConfig(mEngineConfigPreset);
     std::vector<DynamicsProcessing::ChannelConfig> cfgs(mChannelCount);
     for (int i = 0; i < mChannelCount; i++) {
         cfgs[i].channel = i;
         cfgs[i].enable = true;
     }
-    EXPECT_NO_FATAL_FAILURE(addPreEqChannelConfig(cfgs));
-    EXPECT_NO_FATAL_FAILURE(addPreEqBandConfigs(mCfgs));
+    addPreEqChannelConfig(cfgs);
+    addPreEqBandConfigs(mCfgs);
     ASSERT_NO_FATAL_FAILURE(SetAndGetDynamicsProcessingParameters());
 }
 
 TEST_P(DynamicsProcessingTestEqBandConfig, SetAndGetPostEqBandConfig) {
     mEngineConfigPreset.postEqStage.bandCount = mCfgs.size();
-    EXPECT_NO_FATAL_FAILURE(addEngineConfig(mEngineConfigPreset));
+    addEngineConfig(mEngineConfigPreset);
     std::vector<DynamicsProcessing::ChannelConfig> cfgs(mChannelCount);
     for (int i = 0; i < mChannelCount; i++) {
         cfgs[i].channel = i;
         cfgs[i].enable = true;
     }
-    EXPECT_NO_FATAL_FAILURE(addPostEqChannelConfig(cfgs));
-    EXPECT_NO_FATAL_FAILURE(addPostEqBandConfigs(mCfgs));
+    addPostEqChannelConfig(cfgs);
+    addPostEqBandConfigs(mCfgs);
     ASSERT_NO_FATAL_FAILURE(SetAndGetDynamicsProcessingParameters());
 }
 
@@ -1185,14 +1185,14 @@
 
 TEST_P(DynamicsProcessingTestMbcBandConfig, SetAndGetMbcBandConfig) {
     mEngineConfigPreset.mbcStage.bandCount = mCfgs.size();
-    EXPECT_NO_FATAL_FAILURE(addEngineConfig(mEngineConfigPreset));
+    addEngineConfig(mEngineConfigPreset);
     std::vector<DynamicsProcessing::ChannelConfig> cfgs(mChannelCount);
     for (int i = 0; i < mChannelCount; i++) {
         cfgs[i].channel = i;
         cfgs[i].enable = true;
     }
-    EXPECT_NO_FATAL_FAILURE(addMbcChannelConfig(cfgs));
-    EXPECT_NO_FATAL_FAILURE(addMbcBandConfigs(mCfgs));
+    addMbcChannelConfig(cfgs);
+    addMbcBandConfigs(mCfgs);
     ASSERT_NO_FATAL_FAILURE(SetAndGetDynamicsProcessingParameters());
 }
 
diff --git a/audio/aidl/vts/VtsHalNSTargetTest.cpp b/audio/aidl/vts/VtsHalNSTargetTest.cpp
index a50e1b4..c5a9bad 100644
--- a/audio/aidl/vts/VtsHalNSTargetTest.cpp
+++ b/audio/aidl/vts/VtsHalNSTargetTest.cpp
@@ -140,12 +140,12 @@
 };
 
 TEST_P(NSParamTest, SetAndGetLevel) {
-    EXPECT_NO_FATAL_FAILURE(addLevelParam(mLevel));
+    addLevelParam(mLevel);
     SetAndGetParameters();
 }
 
 TEST_P(NSParamTest, SetAndGetType) {
-    EXPECT_NO_FATAL_FAILURE(addLevelParam(mLevel));
+    addLevelParam(mLevel);
     SetAndGetParameters();
 }
 
diff --git a/audio/aidl/vts/VtsHalVisualizerTargetTest.cpp b/audio/aidl/vts/VtsHalVisualizerTargetTest.cpp
index a942521..3b07809 100644
--- a/audio/aidl/vts/VtsHalVisualizerTargetTest.cpp
+++ b/audio/aidl/vts/VtsHalVisualizerTargetTest.cpp
@@ -189,22 +189,22 @@
 };
 
 TEST_P(VisualizerParamTest, SetAndGetCaptureSize) {
-    ASSERT_NO_FATAL_FAILURE(addCaptureSizeParam(mCaptureSize));
+    addCaptureSizeParam(mCaptureSize);
     ASSERT_NO_FATAL_FAILURE(SetAndGetParameters());
 }
 
 TEST_P(VisualizerParamTest, SetAndGetScalingMode) {
-    ASSERT_NO_FATAL_FAILURE(addScalingModeParam(mScalingMode));
+    addScalingModeParam(mScalingMode);
     ASSERT_NO_FATAL_FAILURE(SetAndGetParameters());
 }
 
 TEST_P(VisualizerParamTest, SetAndGetMeasurementMode) {
-    ASSERT_NO_FATAL_FAILURE(addMeasurementModeParam(mMeasurementMode));
+    addMeasurementModeParam(mMeasurementMode);
     ASSERT_NO_FATAL_FAILURE(SetAndGetParameters());
 }
 
 TEST_P(VisualizerParamTest, SetAndGetLatency) {
-    ASSERT_NO_FATAL_FAILURE(addLatencyParam(mLatency));
+    addLatencyParam(mLatency);
     ASSERT_NO_FATAL_FAILURE(SetAndGetParameters());
 }
 
@@ -212,10 +212,10 @@
     SKIP_TEST_IF_DATA_UNSUPPORTED(mDescriptor.common.flags);
 
     bool allParamsValid = true;
-    ASSERT_NO_FATAL_FAILURE(addCaptureSizeParam(mCaptureSize));
-    ASSERT_NO_FATAL_FAILURE(addScalingModeParam(mScalingMode));
-    ASSERT_NO_FATAL_FAILURE(addMeasurementModeParam(mMeasurementMode));
-    ASSERT_NO_FATAL_FAILURE(addLatencyParam(mLatency));
+    addCaptureSizeParam(mCaptureSize);
+    addScalingModeParam(mScalingMode);
+    addMeasurementModeParam(mMeasurementMode);
+    addLatencyParam(mLatency);
     ASSERT_NO_FATAL_FAILURE(SetAndGetParameters(&allParamsValid));
 
     Parameter getParam;
@@ -276,9 +276,9 @@
 
     for (float maxAudioSampleValue : testMaxAudioSampleValueList) {
         bool allParamsValid = true;
-        ASSERT_NO_FATAL_FAILURE(addCaptureSizeParam(mCaptureSize));
-        ASSERT_NO_FATAL_FAILURE(addScalingModeParam(mScalingMode));
-        ASSERT_NO_FATAL_FAILURE(addLatencyParam(mLatency));
+        addCaptureSizeParam(mCaptureSize);
+        addScalingModeParam(mScalingMode);
+        addLatencyParam(mLatency);
         ASSERT_NO_FATAL_FAILURE(SetAndGetParameters(&allParamsValid));
 
         generateSineWave(std::vector<int>{1000}, mInputBuffer, maxAudioSampleValue,
diff --git a/audio/policy/1.0/xml/audio_policy_engine_configuration.xsd b/audio/policy/1.0/xml/audio_policy_engine_configuration.xsd
index 02e593a..2b86049 100644
--- a/audio/policy/1.0/xml/audio_policy_engine_configuration.xsd
+++ b/audio/policy/1.0/xml/audio_policy_engine_configuration.xsd
@@ -105,7 +105,7 @@
                         <xs:element name="AttributesGroup" type="AttributesGroup" minOccurs="1" maxOccurs="unbounded"/>
                     </xs:sequence>
                     <xs:attribute name="name" type="xs:string" use="required"/>
-                    <xs:attribute name="id" type="xs:int" use="required"/>
+                    <xs:attribute name="id" type="xs:int" use="optional"/>
                 </xs:complexType>
             </xs:element>
         </xs:sequence>
diff --git a/automotive/vehicle/aidl/impl/utils/common/test/PendingRequestPoolTest.cpp b/automotive/vehicle/aidl/impl/utils/common/test/PendingRequestPoolTest.cpp
index 734c739..cc690d7 100644
--- a/automotive/vehicle/aidl/impl/utils/common/test/PendingRequestPoolTest.cpp
+++ b/automotive/vehicle/aidl/impl/utils/common/test/PendingRequestPoolTest.cpp
@@ -57,7 +57,7 @@
 
   private:
     // Test timeout is 0.1s.
-    static const int64_t TEST_TIMEOUT = 100000000;
+    static constexpr int64_t TEST_TIMEOUT = 100000000;
 
     std::unique_ptr<PendingRequestPool> mPool;
 };
diff --git a/boot/aidl/default/Android.bp b/boot/aidl/default/Android.bp
index c1d3c57..2fd2dad 100644
--- a/boot/aidl/default/Android.bp
+++ b/boot/aidl/default/Android.bp
@@ -57,7 +57,7 @@
     name: "android.hardware.boot-service.default_recovery",
     defaults: ["android.hardware.boot-service_common"],
     init_rc: ["android.hardware.boot-service.default_recovery.rc"],
-    vintf_fragments: ["android.hardware.boot-service.default.xml"],
+    vintf_fragment_modules: ["android.hardware.boot-service.default.xml.recovery"],
     recovery: true,
 
     shared_libs: [
@@ -77,11 +77,16 @@
     installable: false,
 }
 
-prebuilt_etc {
+vintf_fragment {
+    name: "android.hardware.boot-service.default.xml.recovery",
+    src: "android.hardware.boot-service.default.xml",
+    recovery: true,
+}
+
+vintf_fragment {
     name: "android.hardware.boot-service.default.xml",
     src: "android.hardware.boot-service.default.xml",
-    sub_dir: "vintf",
-    installable: false,
+    vendor: true,
 }
 
 apex {
@@ -98,6 +103,8 @@
     ],
     prebuilts: [
         "android.hardware.boot-service.default.rc",
+    ],
+    vintf_fragment_modules: [
         "android.hardware.boot-service.default.xml",
     ],
 }
diff --git a/compatibility_matrices/Android.bp b/compatibility_matrices/Android.bp
index 825c931..19f4839 100644
--- a/compatibility_matrices/Android.bp
+++ b/compatibility_matrices/Android.bp
@@ -147,6 +147,6 @@
     stem: "compatibility_matrix.202504.xml",
     srcs: ["compatibility_matrix.202504.xml"],
     kernel_configs: [
-        "kernel_config_w_6.12",
+        "kernel_config_b_6.12",
     ],
 }
diff --git a/compatibility_matrices/bump.py b/compatibility_matrices/bump.py
index ee2fa88..bcb0fa6 100755
--- a/compatibility_matrices/bump.py
+++ b/compatibility_matrices/bump.py
@@ -181,14 +181,14 @@
                         help="VINTF level of the next version (e.g. 202504)")
     parser.add_argument("current_letter",
                         type=str,
-                        help="Letter of the API level of the current version (e.g. v)")
+                        help="Letter of the API level of the current version (e.g. b)")
     parser.add_argument("next_letter",
                         type=str,
-                        help="Letter of the API level of the next version (e.g. w)")
+                        help="Letter of the API level of the next version (e.g. c)")
     parser.add_argument("platform_version",
                         type=str,
                         nargs="?",
-                        help="Android release version number number (e.g. 15)")
+                        help="Android release version number number (e.g. 16)")
     cmdline_args = parser.parse_args()
 
     Bump(cmdline_args).run()
diff --git a/security/keymint/support/remote_prov_utils.cpp b/security/keymint/support/remote_prov_utils.cpp
index eaeec32..5afaf31 100644
--- a/security/keymint/support/remote_prov_utils.cpp
+++ b/security/keymint/support/remote_prov_utils.cpp
@@ -870,7 +870,7 @@
     }
 
     auto csr = hwtrust::Csr::validate(encodedCsr, *diceChainKind, false /*isFactory*/,
-                                      false /*allowAnyMode*/, deviceSuffix(instanceName));
+                                      true /*allowAnyMode*/, deviceSuffix(instanceName));
     if (!csr.ok()) {
         return csr.error().message();
     }
@@ -904,7 +904,7 @@
     }
 
     auto csr1 = hwtrust::Csr::validate(encodedCsr1, *diceChainKind, false /*isFactory*/,
-                                       false /*allowAnyMode*/, deviceSuffix(instanceName1));
+                                       true /*allowAnyMode*/, deviceSuffix(instanceName1));
     if (!csr1.ok()) {
         return csr1.error().message();
     }
@@ -921,7 +921,7 @@
     }
 
     auto csr2 = hwtrust::Csr::validate(encodedCsr2, *diceChainKind, false /*isFactory*/,
-                                       false /*allowAnyMode*/, deviceSuffix(instanceName2));
+                                       true /*allowAnyMode*/, deviceSuffix(instanceName2));
     if (!csr2.ok()) {
         return csr2.error().message();
     }
@@ -952,7 +952,7 @@
     }
 
     auto csr = hwtrust::Csr::validate(encodedCsr, *diceChainKind, false /*isFactory*/,
-                                      false /*allowAnyMode*/, deviceSuffix(DEFAULT_INSTANCE_NAME));
+                                      true /*allowAnyMode*/, deviceSuffix(DEFAULT_INSTANCE_NAME));
     if (!csr.ok()) {
         return csr.error().message();
     }
diff --git a/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see.hwcrypto/current/android/hardware/security/see/hwcrypto/IHwCryptoKey.aidl b/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see.hwcrypto/current/android/hardware/security/see/hwcrypto/IHwCryptoKey.aidl
index b31a06c..99eb761 100644
--- a/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see.hwcrypto/current/android/hardware/security/see/hwcrypto/IHwCryptoKey.aidl
+++ b/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see.hwcrypto/current/android/hardware/security/see/hwcrypto/IHwCryptoKey.aidl
@@ -64,7 +64,7 @@
     int keySizeBytes;
   }
   union DerivedKeyPolicy {
-    android.hardware.security.see.hwcrypto.IHwCryptoKey.ClearKeyPolicy clearKey;
+    android.hardware.security.see.hwcrypto.IHwCryptoKey.ClearKeyPolicy clearKeyPolicy;
     byte[] opaqueKey;
   }
   parcelable DerivedKeyParameters {
diff --git a/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see.hwcrypto/current/android/hardware/security/see/hwcrypto/IHwCryptoOperations.aidl b/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see.hwcrypto/current/android/hardware/security/see/hwcrypto/IHwCryptoOperations.aidl
index 7c87dd3..3adb2f9 100644
--- a/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see.hwcrypto/current/android/hardware/security/see/hwcrypto/IHwCryptoOperations.aidl
+++ b/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see.hwcrypto/current/android/hardware/security/see/hwcrypto/IHwCryptoOperations.aidl
@@ -34,5 +34,5 @@
 package android.hardware.security.see.hwcrypto;
 @VintfStability
 interface IHwCryptoOperations {
-  android.hardware.security.see.hwcrypto.CryptoOperationResult[] processCommandList(inout android.hardware.security.see.hwcrypto.CryptoOperationSet[] operations, out android.hardware.security.see.hwcrypto.CryptoOperationErrorAdditionalInfo additionalErrorInfo);
+  android.hardware.security.see.hwcrypto.CryptoOperationResult[] processCommandList(inout android.hardware.security.see.hwcrypto.CryptoOperationSet[] operations);
 }
diff --git a/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/IHwCryptoKey.aidl b/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/IHwCryptoKey.aidl
index 97a4c37..93d6cbc 100644
--- a/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/IHwCryptoKey.aidl
+++ b/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/IHwCryptoKey.aidl
@@ -107,10 +107,12 @@
          * If used we will derive a clear key and pass it back as an array of bytes on
          * <code>HwCryptoKeyMaterial::explicitKey</code>.
          */
-        ClearKeyPolicy clearKey;
+        ClearKeyPolicy clearKeyPolicy;
 
         /*
          * Policy for the newly derived opaque key. Defines how the key can be used and its type.
+         * Its definition can be found in <code>KeyPolicy.cddl</code>, which is basically a CBOR
+         * serialization of the file <code>KeyPolicy.aidl</code>.
          */
         byte[] opaqueKey;
     }
@@ -154,11 +156,14 @@
      *     Key to be used to derive the new key using HKDF.
      *
      * @return:
-     *     A DiceCurrentBoundKeyResult containint the versioned key tied the current client version
+     *     A DiceCurrentBoundKeyResult containing the versioned key tied the current client version
      *     on success.
      *
      * @throws:
-     *      ServiceSpecificException based on <code>HalErrorCode</code> if any error occurs.
+     *      ServiceSpecificException based on <code>HalErrorCode</code> if any error occurs,
+     *      in particular:
+     *          - BAD_PARAMETER if an invalid DeviceKeyId is requested.
+     *          - INVALID_KEY if an opaque key is provided that is not suitable for key derivation.
      */
     DiceCurrentBoundKeyResult deriveCurrentDicePolicyBoundKey(
             in DiceBoundDerivationKey derivationKey);
@@ -184,7 +189,11 @@
      *      success.
      *
      * @throws:
-     *      ServiceSpecificException based on <code>HalErrorCode</code> if any error occurs.
+     *      ServiceSpecificException based on <code>HalErrorCode</code> if any error occurs,
+     *      in particular:
+     *          - BAD_PARAMETER if an invalid DeviceKeyId is requested or if dicePolicyForKeyVersion
+     *            is not a valid encrypted DICE policy.
+     *          - INVALID_KEY if an opaque key is provided that is not suitable for key derivation.
      */
     DiceBoundKeyResult deriveDicePolicyBoundKey(
             in DiceBoundDerivationKey derivationKey, in byte[] dicePolicyForKeyVersion);
@@ -197,10 +206,15 @@
      *      file for more information.
      *
      * @return:
-     *      A HwCryptoKeyMaterial containing the derived key on success.
+     *      A <code>DerivedKey</code> containing the derived key on success.
      *
      * @throws:
-     *      ServiceSpecificException based on <code>HalErrorCode</code> if any error occurs.
+     *      ServiceSpecificException based on <code>HalErrorCode</code> if any error occurs,
+     *      in particular:
+     *          - BAD_PARAMETER if an invalid key policy is provided or if the key policy conflicts
+     *            with the requested key.
+     *          - SERIALIZATION_ERROR if the provided key policy is not a valid CBOR key policy.
+     *          - INVALID_KEY if an opaque key is provided that is not suitable for key derivation.
      */
     DerivedKey deriveKey(in DerivedKeyParameters parameters);
 
@@ -233,7 +247,11 @@
      *      IOpaqueKey on success.
      *
      * @throws:
-     *      ServiceSpecificException based on <code>HalErrorCode</code> if any error occurs.
+     *      ServiceSpecificException based on <code>HalErrorCode</code> if any error occurs,
+     *      in particular:
+     *          - BAD_PARAMETER if an invalid Key policy is provided or if the key policy conflicts
+     *            with provided key material.
+     *          - ALLOCATION_ERROR if the system runs out of memory while carring out the operation.
      */
     IOpaqueKey importClearKey(in ExplicitKeyMaterial keyMaterial, in KeyPolicy newKeyPolicy);
 
@@ -248,7 +266,9 @@
      * passing the receiver DICE policy to insure that only that receiver can import the key.
      *
      * @return:
-     *      byte[] on success, which is the caller encrypted DICE policy.
+     *      byte[] on success, which is the caller encrypted DICE policy. The DICE policy follows
+     *      the structure defined on DicePolicy.cddl, located under
+     *      hardware/interfaces/security/authgraph/aidl/android/hardware/security/authgraph/
      */
     byte[] getCurrentDicePolicy();
 
@@ -266,10 +286,14 @@
      *      DICE policy used to seal the exported key.
      *
      * @return:
-     *      An IOpaqueKey that can be directly be used on the local HWCrypto service on success.
+     *      An IOpaqueKey that can be directly used on the local HWCrypto service on success.
      *
      * @throws:
-     *      ServiceSpecificException based on <code>HalErrorCode</code> if any error occurs.
+     *      ServiceSpecificException based on <code>HalErrorCode</code> if any error occurs,
+     *      in particular:
+     *          - BAD_PARAMETER if an invalid encrypted sealing DICE policy is provided.
+     *          - ALLOCATION_ERROR if the system runs out of memory while carring out the operation.
+     *          - UNAUTHORIZED if the sealingDicePolicy do not match the caller.
      */
     IOpaqueKey keyTokenImport(in OpaqueKeyToken requestedKey, in byte[] sealingDicePolicy);
 
@@ -287,8 +311,9 @@
      *      An IOpaqueKey corresponding to the requested key slot on success.
      *
      * @throws:
-     *      ServiceSpecificException <code>UNAUTHORIZED</code> if the caller cannot access the
-     *      requested key, another specific error based on <code>HalErrorCode</code> otherwise.
+     *      ServiceSpecificException based on <code>HalErrorCode</code> if any error occurs,
+     *      in particular:
+     *          - UNAUTHORIZED if the caller cannot access the requested key.
      */
     IOpaqueKey getKeyslotData(KeySlot slotId);
 }
diff --git a/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/IHwCryptoOperations.aidl b/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/IHwCryptoOperations.aidl
index 9df6d67..dbe4d80 100644
--- a/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/IHwCryptoOperations.aidl
+++ b/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/IHwCryptoOperations.aidl
@@ -31,19 +31,21 @@
      *
      * @param operations:
      *      Parameter containing 1 or more set of commands to execute. Additionally, each set can
-     *      also contain a context on which the commands will be executed.
-     *
-     * @param additionalErrorInfo:
-     *      Structure containing additional info when errors are encountered. Only valid if the
-     *      function failed its execution.
+     *      also contain a context on which the commands will be executed. The parameter has type
+     *      inout because it can contain buffers used to write the output of the operation.
      *
      * @return:
      *      CryptoOperationResult[] on success, which can contain a context to continue executing
      *      each of the provided operations sets.
      *
      * @throws:
-     *      ServiceSpecificException based on <code>HalErrorCode</code> if any error occurs.
+     *      ServiceSpecificException based on <code>HalErrorCode</code> if any error occurs,
+     *      in particular:
+     *          - INVALID_KEY if the provided key is not compatible with the operation requested.
+     *          - BAD_STATE if the provided <code>CryptoOperationSet</code> contains operations that
+     *            cannot be carried out in the current server state.
+     *          - UNSUPPORTED if the requested operation is not supported by the server.
+     *          - ALLOCATION_ERROR if the system runs out of memory while carring out the operation.
      */
-    CryptoOperationResult[] processCommandList(inout CryptoOperationSet[] operations,
-            out CryptoOperationErrorAdditionalInfo additionalErrorInfo);
+    CryptoOperationResult[] processCommandList(inout CryptoOperationSet[] operations);
 }
diff --git a/tv/tuner/aidl/vts/functional/VtsHalTvTunerTargetTest.cpp b/tv/tuner/aidl/vts/functional/VtsHalTvTunerTargetTest.cpp
index 158e4f1..59d9593 100644
--- a/tv/tuner/aidl/vts/functional/VtsHalTvTunerTargetTest.cpp
+++ b/tv/tuner/aidl/vts/functional/VtsHalTvTunerTargetTest.cpp
@@ -214,9 +214,7 @@
     ASSERT_TRUE(mFilterTests.startFilter(filterId));
     // tune test
     ASSERT_TRUE(mFrontendTests.tuneFrontend(frontendConf, true /*testWithDemux*/));
-    if (!isPassthroughFilter(filterConf)) {
-        ASSERT_TRUE(filterDataOutputTest());
-    }
+    ASSERT_TRUE(filterDataOutputTest());
     ASSERT_TRUE(mFrontendTests.stopTuneFrontend(true /*testWithDemux*/));
     ASSERT_TRUE(mFilterTests.stopFilter(filterId));
     ASSERT_TRUE(mFilterTests.releaseShareAvHandle(filterId));
@@ -1383,6 +1381,10 @@
     auto live_configs = generateLiveConfigurations();
     for (auto& configuration : live_configs) {
         live = configuration;
+        // shared memory handle is not used by a passthrough filter at all
+        if (isPassthroughFilter(filterMap[live.videoFilterId])) {
+            continue;
+        }
         mediaFilterUsingSharedMemoryTest(filterMap[live.videoFilterId],
                                          frontendMap[live.frontendId]);
     }
diff --git a/virtualization/OWNERS b/virtualization/OWNERS
new file mode 100644
index 0000000..316145b
--- /dev/null
+++ b/virtualization/OWNERS
@@ -0,0 +1 @@
+include platform/packages/modules/Virtualization:/OWNERS