diff --git a/authsecret/aidl/default/service.cpp b/authsecret/aidl/default/service.cpp
index efecf10..a7d8678 100644
--- a/authsecret/aidl/default/service.cpp
+++ b/authsecret/aidl/default/service.cpp
@@ -28,7 +28,7 @@
 
     const std::string instance = std::string() + AuthSecret::descriptor + "/default";
     binder_status_t status = AServiceManager_addService(authsecret->asBinder().get(), instance.c_str());
-    CHECK(status == STATUS_OK);
+    CHECK_EQ(status, STATUS_OK);
 
     ABinderProcess_joinThreadPool();
     return -1; // Should never be reached
diff --git a/automotive/audiocontrol/aidl/default/main.cpp b/automotive/audiocontrol/aidl/default/main.cpp
index 9b259fc..cc15ccb 100644
--- a/automotive/audiocontrol/aidl/default/main.cpp
+++ b/automotive/audiocontrol/aidl/default/main.cpp
@@ -31,7 +31,7 @@
     const std::string instance = std::string() + AudioControl::descriptor + "/default";
     binder_status_t status =
             AServiceManager_addService(audioControl->asBinder().get(), instance.c_str());
-    CHECK(status == STATUS_OK);
+    CHECK_EQ(status, STATUS_OK);
 
     std::shared_ptr<PowerPolicyClient> powerPolicyClient =
             ::ndk::SharedRefBase::make<PowerPolicyClient>(audioControl);
diff --git a/biometrics/face/aidl/default/main.cpp b/biometrics/face/aidl/default/main.cpp
index 80b153e..b7274e3 100644
--- a/biometrics/face/aidl/default/main.cpp
+++ b/biometrics/face/aidl/default/main.cpp
@@ -29,7 +29,7 @@
 
     const std::string instance = std::string(Face::descriptor) + "/default";
     binder_status_t status = AServiceManager_addService(hal->asBinder().get(), instance.c_str());
-    CHECK(status == STATUS_OK);
+    CHECK_EQ(status, STATUS_OK);
 
     ABinderProcess_joinThreadPool();
     return EXIT_FAILURE;  // should not reach
diff --git a/biometrics/fingerprint/aidl/default/main.cpp b/biometrics/fingerprint/aidl/default/main.cpp
index 4690d73..c985201 100644
--- a/biometrics/fingerprint/aidl/default/main.cpp
+++ b/biometrics/fingerprint/aidl/default/main.cpp
@@ -29,7 +29,7 @@
 
     const std::string instance = std::string(Fingerprint::descriptor) + "/default";
     binder_status_t status = AServiceManager_addService(hal->asBinder().get(), instance.c_str());
-    CHECK(status == STATUS_OK);
+    CHECK_EQ(status, STATUS_OK);
 
     ABinderProcess_joinThreadPool();
     return EXIT_FAILURE;  // should not reach
diff --git a/camera/device/3.8/ICameraDevice.hal b/camera/device/3.8/ICameraDevice.hal
index 448f176..1101819 100644
--- a/camera/device/3.8/ICameraDevice.hal
+++ b/camera/device/3.8/ICameraDevice.hal
@@ -16,6 +16,7 @@
 
 package android.hardware.camera.device@3.8;
 
+import android.hardware.camera.common@1.0::Status;
 import @3.7::ICameraDevice;
 
 /**
@@ -29,4 +30,81 @@
  * @3.7::ICameraDeviceSession.
  */
 interface ICameraDevice extends @3.7::ICameraDevice {
+    /**
+     * turnOnTorchWithStrengthLevel:
+     *
+     * Change the brightness level of the flash unit associated with this camera device
+     * and set it to value in torchStrength. This function also turns ON the torch
+     * with specified torchStrength if the torch is OFF.
+     *
+     * The torchStrength value must be within the valid range i.e. >=1 and
+     * <= FLASH_INFO_STRENGTH_MAXIMUM_LEVEL. Whenever the torch is turned OFF,
+     * the brightness level will reset to FLASH_INFO_STRENGTH_DEFAULT_LEVEL.
+     * When the client calls setTorchMode(ON) after turnOnTorchWithStrengthLevel(N),
+     * the flash unit will have brightness level equal to N. This level does not
+     * represent the real brightness units. It is linear in nature i.e. flashlight
+     * at level 10 is twice as bright as at level 5.
+     *
+     * @param torchStrength Brightness level to be set for the flashlight.
+     *
+     * @return status Status code for the operation, one of:
+     *     OK:
+     *         On a successful change to the torch strength level.
+     *     INTERNAL_ERROR:
+     *         The flash unit cannot be operated due to an unexpected internal
+     *         error.
+     *     CAMERA_IN_USE:
+     *         This status code is returned when:
+     *           - This camera device has been opened, so the torch cannot be
+     *             controlled until it is closed.
+     *           - Due to other camera devices being open, or due to other
+     *             resource constraints, the torch cannot be controlled currently.
+     *     ILLEGAL_ARGUMENT:
+     *         If the torchStrength value is not within the range i.e. < 1 or
+     *         > FLASH_INFO_STRENGTH_MAXIMUM_LEVEL.
+     *     METHOD_NOT_SUPPORTED:
+     *         This status code is returned when:
+     *           - This camera device does not support direct operation of flashlight
+     *             torch mode. The framework must open the camera device and turn
+     *             the torch on through the device interface.
+     *           - This camera device does not have a flash unit.
+     *           - This camera device has flash unit but does not support torch
+     *             strength control.
+     *     CAMERA_DISCONNECTED:
+     *         An external camera device has been disconnected, and is no longer
+     *         available. This camera device interface is now stale, and a new
+     *         instance must be acquired if the device is reconnected. All
+     *         subsequent calls on this interface must return
+     *         CAMERA_DISCONNECTED.
+     *
+     */
+    turnOnTorchWithStrengthLevel(int32_t torchStrength) generates (Status status);
+
+    /**
+     * getTorchStrengthLevel:
+     *
+     * Get current torch strength level.
+     * If the device supports torch strength control, when the torch is OFF the
+     * strength level will reset to default level, so the return
+     * value in this case will be equal to FLASH_INFO_STRENGTH_DEFAULT_LEVEL.
+     *
+     * @return status Status code for the operation, one of:
+     *      OK:
+     *           On success.
+     *      INTERNAL_ERROR:
+     *           An unexpected error occurred and the information is not
+     *           available.
+     *      METHOD_NOT_SUPPORTED:
+     *          This status code is returned when:
+     *            - This camera device does not support direct operation of flashlight
+     *              torch mode. The framework must open the camera device and turn
+     *              the torch on through the device interface.
+     *            - This camera device does not have a flash unit.
+     *            - This camera device has flash unit but does not support torch
+     *              strength control.
+     *
+     * @return torchStrength Current torch strength level.
+     *
+     */
+    getTorchStrengthLevel() generates (Status status, int32_t torchStrength);
 };
diff --git a/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp b/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
index 77974fc..01ec9cb 100644
--- a/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
+++ b/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
@@ -41,6 +41,7 @@
 #include <android/hardware/camera/device/3.6/ICameraDevice.h>
 #include <android/hardware/camera/device/3.6/ICameraDeviceSession.h>
 #include <android/hardware/camera/device/3.7/ICameraDevice.h>
+#include <android/hardware/camera/device/3.8/ICameraDevice.h>
 #include <android/hardware/camera/device/3.7/ICameraDeviceSession.h>
 #include <android/hardware/camera/device/3.7/ICameraInjectionSession.h>
 #include <android/hardware/camera/device/3.8/ICameraDeviceCallback.h>
@@ -911,6 +912,7 @@
             uint32_t* outBufSize);
     static Status isConstrainedModeAvailable(camera_metadata_t *staticMeta);
     static Status isLogicalMultiCamera(const camera_metadata_t *staticMeta);
+    static bool isTorchStrengthControlSupported(const camera_metadata_t *staticMeta);
     static Status isOfflineSessionSupported(const camera_metadata_t *staticMeta);
     static Status getPhysicalCameraIds(const camera_metadata_t *staticMeta,
             std::unordered_set<std::string> *physicalIds/*out*/);
@@ -2933,6 +2935,137 @@
     }
 }
 
+// Verify that the torch strength level can be set and retrieved successfully.
+TEST_P(CameraHidlTest, turnOnTorchWithStrengthLevel) {
+    hidl_vec<hidl_string> cameraDeviceNames = getCameraDeviceNames(mProvider);
+    bool torchControlSupported = false;
+    bool torchStrengthControlSupported = false;
+    Return<void> ret;
+
+    ret = mProvider->isSetTorchModeSupported([&](auto status, bool support) {
+        ALOGI("isSetTorchModeSupported returns status:%d supported:%d", (int)status, support);
+        ASSERT_EQ(Status::OK, status);
+        torchControlSupported = support;
+    });
+
+    sp<TorchProviderCb> cb = new TorchProviderCb(this);
+    Return<Status> returnStatus = mProvider->setCallback(cb);
+    ASSERT_TRUE(returnStatus.isOk());
+    ASSERT_EQ(Status::OK, returnStatus);
+
+    for (const auto& name : cameraDeviceNames) {
+        int deviceVersion = getCameraDeviceVersion(name, mProviderType);
+        int32_t defaultLevel;
+        switch (deviceVersion) {
+            case CAMERA_DEVICE_API_VERSION_3_8: {
+                ::android::sp<::android::hardware::camera::device::V3_8::ICameraDevice> device3_8;
+                ALOGI("%s: Testing camera device %s", __FUNCTION__, name.c_str());
+                ret = mProvider->getCameraDeviceInterface_V3_x(
+                        name, [&](auto status, const auto& device) {
+                            ASSERT_EQ(Status::OK, status);
+                            ASSERT_NE(device, nullptr);
+                            auto castResult = device::V3_8::ICameraDevice::castFrom(device);
+                            ASSERT_TRUE(castResult.isOk());
+                            device3_8 = castResult;
+                        });
+                ASSERT_TRUE(ret.isOk());
+
+                ret = device3_8->getCameraCharacteristics([&] (auto s, const auto& chars) {
+                    ASSERT_EQ(Status::OK, s);
+                    const camera_metadata_t* staticMeta =
+                            reinterpret_cast<const camera_metadata_t*>(chars.data());
+                    ASSERT_NE(nullptr, staticMeta);
+                    torchStrengthControlSupported = isTorchStrengthControlSupported(staticMeta);
+                    camera_metadata_ro_entry entry;
+                    int rc = find_camera_metadata_ro_entry(staticMeta,
+                            ANDROID_FLASH_INFO_STRENGTH_DEFAULT_LEVEL, &entry);
+                    if (torchStrengthControlSupported) {
+                        ASSERT_EQ(rc, 0);
+                        ASSERT_GT(entry.count, 0);
+                        defaultLevel = *entry.data.i32;
+                        ALOGI("Default level is:%d", defaultLevel);
+                    }
+                });
+                ASSERT_TRUE(ret.isOk());
+                // If torchStrengthControl is supported, torchControlSupported should be true.
+                if (torchStrengthControlSupported) {
+                    ASSERT_TRUE(torchControlSupported);
+                }
+                mTorchStatus = TorchModeStatus::NOT_AVAILABLE;
+                returnStatus = device3_8->turnOnTorchWithStrengthLevel(2);
+                ASSERT_TRUE(returnStatus.isOk());
+                // Method_not_supported check
+                if (!torchStrengthControlSupported) {
+                    ALOGI("Torch strength control not supported.");
+                    ASSERT_EQ(Status::METHOD_NOT_SUPPORTED, returnStatus);
+                } else {
+                    ASSERT_EQ(Status::OK, returnStatus);
+                    if (returnStatus == Status::OK) {
+                        {
+                            std::unique_lock<std::mutex> l(mTorchLock);
+                            while (TorchModeStatus::NOT_AVAILABLE == mTorchStatus) {
+                                auto timeout = std::chrono::system_clock::now() +
+                                        std::chrono::seconds(kTorchTimeoutSec);
+                                ASSERT_NE(std::cv_status::timeout, mTorchCond.wait_until(l,
+                                        timeout));
+                            }
+                            ASSERT_EQ(TorchModeStatus::AVAILABLE_ON, mTorchStatus);
+                            mTorchStatus = TorchModeStatus::NOT_AVAILABLE;
+                        }
+                        ALOGI("getTorchStrengthLevel: Testing");
+                        ret = device3_8->getTorchStrengthLevel([&]
+                                (auto status, const auto& strengthLevel) {
+                                    ASSERT_TRUE(ret.isOk());
+                                    ASSERT_EQ(Status::OK, status);
+                                    ALOGI("Torch strength level is : %d", strengthLevel);
+                                    ASSERT_EQ(strengthLevel, 2);
+                                });
+                        // Turn OFF the torch and verify torch strength level is reset to default level.
+                        ALOGI("Testing torch strength level reset after turning the torch OFF.");
+                        returnStatus = device3_8->setTorchMode(TorchMode::OFF);
+                        ASSERT_TRUE(returnStatus.isOk());
+                        ASSERT_EQ(Status::OK, returnStatus);
+                        {
+                            std::unique_lock<std::mutex> l(mTorchLock);
+                            while (TorchModeStatus::NOT_AVAILABLE == mTorchStatus) {
+                                auto timeout = std::chrono::system_clock::now() +
+                                        std::chrono::seconds(kTorchTimeoutSec);
+                                ASSERT_NE(std::cv_status::timeout, mTorchCond.wait_until(l,
+                                        timeout));
+                            }
+                            ASSERT_EQ(TorchModeStatus::AVAILABLE_OFF, mTorchStatus);
+                        }
+                        ret = device3_8->getTorchStrengthLevel([&]
+                                (auto status, const auto& strengthLevel) {
+                                    ASSERT_TRUE(ret.isOk());
+                                    ASSERT_EQ(Status::OK, status);
+                                    ALOGI("Torch strength level after turning OFF torch is : %d",
+                                            strengthLevel);
+                                    ASSERT_EQ(strengthLevel, defaultLevel);
+                                });
+                    }
+                }
+            }
+            break;
+            case CAMERA_DEVICE_API_VERSION_3_7:
+            case CAMERA_DEVICE_API_VERSION_3_6:
+            case CAMERA_DEVICE_API_VERSION_3_5:
+            case CAMERA_DEVICE_API_VERSION_3_4:
+            case CAMERA_DEVICE_API_VERSION_3_3:
+            case CAMERA_DEVICE_API_VERSION_3_2:
+            case CAMERA_DEVICE_API_VERSION_1_0: {
+                ALOGI("Torch strength control feature not supported.");
+            }
+            break;
+            default: {
+                ALOGI("Invalid device version.");
+                ADD_FAILURE();
+            }
+            break;
+        }
+    }
+}
+
 //In case it is supported verify that torch can be enabled.
 //Check for corresponding toch callbacks as well.
 TEST_P(CameraHidlTest, setTorchMode) {
@@ -6600,6 +6733,22 @@
     return ret;
 }
 
+bool CameraHidlTest::isTorchStrengthControlSupported(const camera_metadata_t *staticMetadata) {
+    int32_t maxLevel = 0;
+    camera_metadata_ro_entry maxEntry;
+    int rc = find_camera_metadata_ro_entry(staticMetadata,
+            ANDROID_FLASH_INFO_STRENGTH_MAXIMUM_LEVEL, &maxEntry);
+    if (rc != 0) {
+        return false;
+    }
+    maxLevel = *maxEntry.data.i32;
+    if (maxLevel > 1) {
+        ALOGI("Torch strength control supported.");
+        return true;
+    }
+    return false;
+}
+
 // Check if the camera device has logical multi-camera capability.
 Status CameraHidlTest::isOfflineSessionSupported(const camera_metadata_t *staticMeta) {
     Status ret = Status::METHOD_NOT_SUPPORTED;
diff --git a/compatibility_matrices/compatibility_matrix.current.xml b/compatibility_matrices/compatibility_matrix.current.xml
index 6919b9b..34fbaaf 100644
--- a/compatibility_matrices/compatibility_matrix.current.xml
+++ b/compatibility_matrices/compatibility_matrix.current.xml
@@ -372,7 +372,7 @@
     </hal>
     <hal format="aidl" optional="true">
         <name>android.hardware.security.keymint</name>
-        <version>1</version>
+        <version>1-2</version>
         <interface>
             <name>IKeyMintDevice</name>
             <instance>default</instance>
@@ -381,6 +381,7 @@
     </hal>
     <hal format="aidl" optional="true">
         <name>android.hardware.security.keymint</name>
+        <version>1-2</version>
         <interface>
             <name>IRemotelyProvisionedComponent</name>
             <instance>default</instance>
@@ -457,7 +458,7 @@
     </hal>
     <hal format="aidl" optional="false">
         <name>android.hardware.power</name>
-        <version>1-2</version>
+        <version>1-3</version>
         <interface>
             <name>IPower</name>
             <instance>default</instance>
diff --git a/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/NanoappInfo.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/NanoappInfo.aidl
index ea7825a..7175d7f 100644
--- a/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/NanoappInfo.aidl
+++ b/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/NanoappInfo.aidl
@@ -38,4 +38,5 @@
   int nanoappVersion;
   boolean enabled;
   String[] permissions;
+  android.hardware.contexthub.NanoappRpcService[] rpcServices;
 }
diff --git a/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/NanoappRpcService.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/NanoappRpcService.aidl
new file mode 100644
index 0000000..a6a1644
--- /dev/null
+++ b/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/NanoappRpcService.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2021 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.contexthub;
+@VintfStability
+parcelable NanoappRpcService {
+  long id;
+  int version;
+}
diff --git a/contexthub/aidl/android/hardware/contexthub/NanoappInfo.aidl b/contexthub/aidl/android/hardware/contexthub/NanoappInfo.aidl
index 9991dc8..77ac026 100644
--- a/contexthub/aidl/android/hardware/contexthub/NanoappInfo.aidl
+++ b/contexthub/aidl/android/hardware/contexthub/NanoappInfo.aidl
@@ -16,6 +16,8 @@
 
 package android.hardware.contexthub;
 
+import android.hardware.contexthub.NanoappRpcService;
+
 @VintfStability
 parcelable NanoappInfo {
     /** The unique identifier of the nanoapp. */
@@ -39,4 +41,9 @@
      * this list.
      */
     String[] permissions;
+
+    /**
+     * The list of RPC services supported by this nanoapp.
+     */
+    NanoappRpcService[] rpcServices;
 }
diff --git a/contexthub/aidl/android/hardware/contexthub/NanoappRpcService.aidl b/contexthub/aidl/android/hardware/contexthub/NanoappRpcService.aidl
new file mode 100644
index 0000000..6dc5e95
--- /dev/null
+++ b/contexthub/aidl/android/hardware/contexthub/NanoappRpcService.aidl
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2021 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.contexthub;
+
+/**
+ * An RPC service exposed by a nanoapp.
+ *
+ * The implementation of the RPC interface is not defined by the HAL, and is written
+ * at the messaging endpoint layers (Android app and/or CHRE nanoapp). NanoappRpcService
+ * contains the informational metadata to be consumed by the RPC interface layer.
+ */
+@VintfStability
+parcelable NanoappRpcService {
+    /**
+     * The unique 64-bit ID of an RPC service exposed by a nanoapp. Note that
+     * the uniqueness is only required within the nanoapp's domain (i.e. the
+     * combination of the nanoapp ID and service id must be unique).
+     */
+    long id;
+
+    /**
+     * The software version of this service, which follows the semantic
+     * versioning scheme (see semver.org). It follows the format
+     * major.minor.patch, where major and minor versions take up one byte
+     * each, and the patch version takes up the final 2 bytes.
+     */
+    int version;
+}
diff --git a/contexthub/aidl/vts/VtsAidlHalContextHubTargetTest.cpp b/contexthub/aidl/vts/VtsAidlHalContextHubTargetTest.cpp
index 1b2dc29..392e23c 100644
--- a/contexthub/aidl/vts/VtsAidlHalContextHubTargetTest.cpp
+++ b/contexthub/aidl/vts/VtsAidlHalContextHubTargetTest.cpp
@@ -41,6 +41,7 @@
 using ::android::hardware::contexthub::IContextHubCallbackDefault;
 using ::android::hardware::contexthub::NanoappBinary;
 using ::android::hardware::contexthub::NanoappInfo;
+using ::android::hardware::contexthub::NanoappRpcService;
 using ::android::hardware::contexthub::Setting;
 using ::android::hardware::contexthub::vts_utils::kNonExistentAppId;
 using ::android::hardware::contexthub::vts_utils::waitForCallback;
@@ -151,6 +152,14 @@
     for (const NanoappInfo& appInfo : appInfoList) {
         EXPECT_NE(appInfo.nanoappId, UINT64_C(0));
         EXPECT_NE(appInfo.nanoappId, kNonExistentAppId);
+
+        // Verify services are unique.
+        std::set<uint64_t> existingServiceIds;
+        for (const NanoappRpcService& rpcService : appInfo.rpcServices) {
+            EXPECT_NE(rpcService.id, UINT64_C(0));
+            EXPECT_EQ(existingServiceIds.count(rpcService.id), 0);
+            existingServiceIds.insert(rpcService.id);
+        }
     }
 }
 
diff --git a/dumpstate/aidl/default/main.cpp b/dumpstate/aidl/default/main.cpp
index 2451752..5bc85b4 100644
--- a/dumpstate/aidl/default/main.cpp
+++ b/dumpstate/aidl/default/main.cpp
@@ -29,7 +29,7 @@
     const std::string instance = std::string() + Dumpstate::descriptor + "/default";
     binder_status_t status =
             AServiceManager_registerLazyService(dumpstate->asBinder().get(), instance.c_str());
-    CHECK(status == STATUS_OK);
+    CHECK_EQ(status, STATUS_OK);
 
     ABinderProcess_joinThreadPool();
     return EXIT_FAILURE;  // Unreachable
diff --git a/gnss/aidl/aidl_api/android.hardware.gnss/current/android/hardware/gnss/IGnss.aidl b/gnss/aidl/aidl_api/android.hardware.gnss/current/android/hardware/gnss/IGnss.aidl
index ea98030..9df7fe5 100644
--- a/gnss/aidl/aidl_api/android.hardware.gnss/current/android/hardware/gnss/IGnss.aidl
+++ b/gnss/aidl/aidl_api/android.hardware.gnss/current/android/hardware/gnss/IGnss.aidl
@@ -44,6 +44,7 @@
   @nullable android.hardware.gnss.IGnssGeofence getExtensionGnssGeofence();
   @nullable android.hardware.gnss.IGnssNavigationMessageInterface getExtensionGnssNavigationMessage();
   android.hardware.gnss.IAGnss getExtensionAGnss();
+  android.hardware.gnss.IGnssDebug getExtensionGnssDebug();
   const int ERROR_INVALID_ARGUMENT = 1;
   const int ERROR_ALREADY_INIT = 2;
   const int ERROR_GENERIC = 3;
diff --git a/gnss/aidl/aidl_api/android.hardware.gnss/current/android/hardware/gnss/IGnssDebug.aidl b/gnss/aidl/aidl_api/android.hardware.gnss/current/android/hardware/gnss/IGnssDebug.aidl
new file mode 100644
index 0000000..27d9887
--- /dev/null
+++ b/gnss/aidl/aidl_api/android.hardware.gnss/current/android/hardware/gnss/IGnssDebug.aidl
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2021 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.gnss;
+@VintfStability
+interface IGnssDebug {
+  android.hardware.gnss.IGnssDebug.DebugData getDebugData();
+  @Backing(type="int") @VintfStability
+  enum SatelliteEphemerisType {
+    EPHEMERIS = 0,
+    ALMANAC_ONLY = 1,
+    NOT_AVAILABLE = 2,
+  }
+  @Backing(type="int") @VintfStability
+  enum SatelliteEphemerisSource {
+    DEMODULATED = 0,
+    SUPL_PROVIDED = 1,
+    OTHER_SERVER_PROVIDED = 2,
+    OTHER = 3,
+  }
+  @Backing(type="int") @VintfStability
+  enum SatelliteEphemerisHealth {
+    GOOD = 0,
+    BAD = 1,
+    UNKNOWN = 2,
+  }
+  @VintfStability
+  parcelable TimeDebug {
+    long timeEstimateMs;
+    float timeUncertaintyNs;
+    float frequencyUncertaintyNsPerSec;
+  }
+  @VintfStability
+  parcelable PositionDebug {
+    boolean valid;
+    double latitudeDegrees;
+    double longitudeDegrees;
+    float altitudeMeters;
+    float speedMetersPerSec;
+    float bearingDegrees;
+    double horizontalAccuracyMeters;
+    double verticalAccuracyMeters;
+    double speedAccuracyMetersPerSecond;
+    double bearingAccuracyDegrees;
+    float ageSeconds;
+  }
+  @VintfStability
+  parcelable SatelliteData {
+    int svid;
+    android.hardware.gnss.GnssConstellationType constellation;
+    android.hardware.gnss.IGnssDebug.SatelliteEphemerisType ephemerisType;
+    android.hardware.gnss.IGnssDebug.SatelliteEphemerisSource ephemerisSource;
+    android.hardware.gnss.IGnssDebug.SatelliteEphemerisHealth ephemerisHealth;
+    float ephemerisAgeSeconds;
+    boolean serverPredictionIsAvailable;
+    float serverPredictionAgeSeconds;
+  }
+  @VintfStability
+  parcelable DebugData {
+    android.hardware.gnss.IGnssDebug.PositionDebug position;
+    android.hardware.gnss.IGnssDebug.TimeDebug time;
+    List<android.hardware.gnss.IGnssDebug.SatelliteData> satelliteDataArray;
+  }
+}
diff --git a/gnss/aidl/android/hardware/gnss/IGnss.aidl b/gnss/aidl/android/hardware/gnss/IGnss.aidl
index 91403ca..2751521 100644
--- a/gnss/aidl/android/hardware/gnss/IGnss.aidl
+++ b/gnss/aidl/android/hardware/gnss/IGnss.aidl
@@ -20,6 +20,7 @@
 import android.hardware.gnss.IGnssBatching;
 import android.hardware.gnss.IGnssCallback;
 import android.hardware.gnss.IGnssConfiguration;
+import android.hardware.gnss.IGnssDebug;
 import android.hardware.gnss.IGnssGeofence;
 import android.hardware.gnss.IGnssMeasurementInterface;
 import android.hardware.gnss.IGnssNavigationMessageInterface;
@@ -134,4 +135,13 @@
      * @return The IAGnss interface.
      */
     IAGnss getExtensionAGnss();
+
+    /**
+     * This method returns the IGnssDebug interface.
+     *
+     * This method must return non-null.
+     *
+     * @return Handle to the IGnssDebug interface.
+     */
+    IGnssDebug getExtensionGnssDebug();
 }
diff --git a/gnss/aidl/android/hardware/gnss/IGnssDebug.aidl b/gnss/aidl/android/hardware/gnss/IGnssDebug.aidl
new file mode 100644
index 0000000..475a4a3
--- /dev/null
+++ b/gnss/aidl/android/hardware/gnss/IGnssDebug.aidl
@@ -0,0 +1,208 @@
+/*
+ * Copyright (C) 2021 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.gnss;
+
+import android.hardware.gnss.GnssConstellationType;
+
+/**
+ * Extended interface for GNSS Debug support
+ *
+ * This information is used for debugging purpose, e.g., shown in a bugreport to
+ * describe the chipset states including time, position, and satellite data.
+ */
+@VintfStability
+interface IGnssDebug {
+    /** Satellite's ephemeris type */
+    @VintfStability
+    @Backing(type="int")
+    enum SatelliteEphemerisType {
+        EPHEMERIS = 0,
+        ALMANAC_ONLY = 1,
+        NOT_AVAILABLE = 2,
+    }
+
+    /** Satellite's ephemeris source */
+    @VintfStability
+    @Backing(type="int")
+    enum SatelliteEphemerisSource {
+        DEMODULATED = 0,
+        SUPL_PROVIDED = 1,
+        OTHER_SERVER_PROVIDED = 2,
+        OTHER = 3,
+    }
+
+    /** Satellite's ephemeris health */
+    @VintfStability
+    @Backing(type="int")
+    enum SatelliteEphemerisHealth {
+        GOOD = 0,
+        BAD = 1,
+        UNKNOWN = 2,
+    }
+
+    /**
+     * Provides the current best known UTC time estimate.
+     * If no fresh information is available, e.g. after a delete all,
+     * then whatever the effective defaults are on the device must be
+     * provided (e.g. Jan. 1, 2017, with an uncertainty of 5 years) expressed
+     * in the specified units.
+     */
+    @VintfStability
+    parcelable TimeDebug {
+        /** UTC time estimate in milliseconds. */
+        long timeEstimateMs;
+
+        /** 68% time error estimate in nanoseconds. */
+        float timeUncertaintyNs;
+
+        /**
+         * 68% error estimate in local clock drift,
+         * in nanoseconds per second (also known as parts per billion - ppb.)
+         */
+        float frequencyUncertaintyNsPerSec;
+    }
+
+    @VintfStability
+    parcelable PositionDebug {
+        /**
+         * Validity of the data in this struct. False only if no
+         * latitude/longitude information is known.
+         */
+        boolean valid;
+
+        /** Latitude expressed in degrees */
+        double latitudeDegrees;
+
+        /** Longitude expressed in degrees */
+        double longitudeDegrees;
+
+        /** Altitude above ellipsoid expressed in meters */
+        float altitudeMeters;
+
+        /** Represents horizontal speed in meters per second. */
+        float speedMetersPerSec;
+
+        /** Represents heading in degrees. */
+        float bearingDegrees;
+
+        /**
+         * Estimated horizontal accuracy of position expressed in meters,
+         * radial, 68% confidence.
+         */
+        double horizontalAccuracyMeters;
+
+        /**
+         * Estimated vertical accuracy of position expressed in meters, with
+         * 68% confidence.
+         */
+        double verticalAccuracyMeters;
+
+        /**
+         * Estimated speed accuracy in meters per second with 68% confidence.
+         */
+        double speedAccuracyMetersPerSecond;
+
+        /**
+         * Estimated bearing accuracy degrees with 68% confidence.
+         */
+        double bearingAccuracyDegrees;
+
+        /**
+         * Time duration before this report that this position information was
+         * valid.  This can, for example, be a previous injected location with
+         * an age potentially thousands of seconds old, or
+         * extrapolated to the current time (with appropriately increased
+         * accuracy estimates), with a (near) zero age.
+         */
+        float ageSeconds;
+    }
+
+    @VintfStability
+    parcelable SatelliteData {
+        /** Satellite vehicle ID number */
+        int svid;
+
+        /** Defines the constellation type of the given SV. */
+        GnssConstellationType constellation;
+
+        /**
+         * Defines the standard broadcast ephemeris or almanac availability for
+         * the satellite.  To report status of predicted orbit and clock
+         * information, see the serverPrediction fields below.
+         */
+        SatelliteEphemerisType ephemerisType;
+
+        /** Defines the ephemeris source of the satellite. */
+        SatelliteEphemerisSource ephemerisSource;
+
+        /**
+         * Defines whether the satellite is known healthy
+         * (safe for use in location calculation.)
+         */
+        SatelliteEphemerisHealth ephemerisHealth;
+
+        /**
+         * Time duration from this report (current time), minus the
+         * effective time of the ephemeris source (e.g. TOE, TOA.)
+         * Set to 0 when ephemerisType is NOT_AVAILABLE.
+         */
+        float ephemerisAgeSeconds;
+
+        /**
+         * True if a server has provided a predicted orbit and clock model for
+         * this satellite.
+         */
+        boolean serverPredictionIsAvailable;
+
+        /**
+         * Time duration from this report (current time) minus the time of the
+         * start of the server predicted information.  For example, a 1 day
+         * old prediction would be reported as 86400 seconds here.
+         */
+        float serverPredictionAgeSeconds;
+    }
+
+    /**
+     * Provides a set of debug information that is filled by the GNSS chipset
+     * when the method getDebugData() is invoked.
+     */
+    @VintfStability
+    parcelable DebugData {
+        /** Current best known position. */
+        PositionDebug position;
+
+        /** Current best know time estimate */
+        TimeDebug time;
+
+        /**
+         * Provides a list of the available satellite data, for all
+         * satellites and constellations the device can track,
+         * including GnssConstellationType UNKNOWN.
+         */
+        List<SatelliteData> satelliteDataArray;
+    }
+
+    /**
+     * This methods requests position, time and satellite ephemeris debug information
+     * from the HAL.
+     *
+     * @return ret debugData information from GNSS Hal that contains the current best
+     * known position, best known time estimate and a complete list of
+     * constellations that the device can track.
+     */
+    DebugData getDebugData();
+}
diff --git a/gnss/aidl/default/Android.bp b/gnss/aidl/default/Android.bp
index 1236714..24569ae 100644
--- a/gnss/aidl/default/Android.bp
+++ b/gnss/aidl/default/Android.bp
@@ -58,6 +58,7 @@
         "AGnss.cpp",
         "Gnss.cpp",
         "GnssBatching.cpp",
+        "GnssDebug.cpp",
         "GnssGeofence.cpp",
         "GnssHidlHal.cpp",
         "GnssNavigationMessageInterface.cpp",
diff --git a/gnss/aidl/default/Gnss.cpp b/gnss/aidl/default/Gnss.cpp
index 0e3cdd3..45d6b1d 100644
--- a/gnss/aidl/default/Gnss.cpp
+++ b/gnss/aidl/default/Gnss.cpp
@@ -21,6 +21,7 @@
 #include "AGnss.h"
 #include "GnssBatching.h"
 #include "GnssConfiguration.h"
+#include "GnssDebug.h"
 #include "GnssGeofence.h"
 #include "GnssMeasurementInterface.h"
 #include "GnssNavigationMessageInterface.h"
@@ -120,4 +121,11 @@
     return ndk::ScopedAStatus::ok();
 }
 
+ndk::ScopedAStatus Gnss::getExtensionGnssDebug(std::shared_ptr<IGnssDebug>* iGnssDebug) {
+    ALOGD("Gnss::getExtensionGnssDebug");
+
+    *iGnssDebug = SharedRefBase::make<GnssDebug>();
+    return ndk::ScopedAStatus::ok();
+}
+
 }  // namespace aidl::android::hardware::gnss
diff --git a/gnss/aidl/default/Gnss.h b/gnss/aidl/default/Gnss.h
index 4feb781..f59607f 100644
--- a/gnss/aidl/default/Gnss.h
+++ b/gnss/aidl/default/Gnss.h
@@ -20,6 +20,7 @@
 #include <aidl/android/hardware/gnss/BnGnss.h>
 #include <aidl/android/hardware/gnss/BnGnssBatching.h>
 #include <aidl/android/hardware/gnss/BnGnssConfiguration.h>
+#include <aidl/android/hardware/gnss/BnGnssDebug.h>
 #include <aidl/android/hardware/gnss/BnGnssMeasurementInterface.h>
 #include <aidl/android/hardware/gnss/BnGnssPowerIndication.h>
 #include <aidl/android/hardware/gnss/BnGnssPsds.h>
@@ -46,6 +47,7 @@
     ndk::ScopedAStatus getExtensionGnssNavigationMessage(
             std::shared_ptr<IGnssNavigationMessageInterface>* iGnssNavigationMessage) override;
     ndk::ScopedAStatus getExtensionAGnss(std::shared_ptr<IAGnss>* iAGnss) override;
+    ndk::ScopedAStatus getExtensionGnssDebug(std::shared_ptr<IGnssDebug>* iGnssDebug) override;
 
     std::shared_ptr<GnssConfiguration> mGnssConfiguration;
     std::shared_ptr<GnssPowerIndication> mGnssPowerIndication;
diff --git a/gnss/aidl/default/GnssDebug.cpp b/gnss/aidl/default/GnssDebug.cpp
new file mode 100644
index 0000000..f40c0bc
--- /dev/null
+++ b/gnss/aidl/default/GnssDebug.cpp
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2021 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.
+ */
+
+#define LOG_TAG "GnssDebugAidl"
+
+#include "GnssDebug.h"
+#include <log/log.h>
+#include "MockLocation.h"
+
+namespace aidl::android::hardware::gnss {
+
+ndk::ScopedAStatus GnssDebug::getDebugData(DebugData* debugData) {
+    ALOGD("GnssDebug::getDebugData");
+
+    PositionDebug positionDebug = {.valid = true,
+                                   .latitudeDegrees = 37.4219999,
+                                   .longitudeDegrees = -122.0840575,
+                                   .altitudeMeters = 1.60062531,
+                                   .speedMetersPerSec = 0,
+                                   .bearingDegrees = 0,
+                                   .horizontalAccuracyMeters = 5,
+                                   .verticalAccuracyMeters = 5,
+                                   .speedAccuracyMetersPerSecond = 1,
+                                   .bearingAccuracyDegrees = 90,
+                                   .ageSeconds = 0.99};
+    TimeDebug timeDebug = {.timeEstimateMs = 1519930775453L,
+                           .timeUncertaintyNs = 1000,
+                           .frequencyUncertaintyNsPerSec = 5.0e4};
+    std::vector<SatelliteData> satelliteDataArrayDebug = {};
+    debugData->position = positionDebug;
+    debugData->time = timeDebug;
+    debugData->satelliteDataArray = satelliteDataArrayDebug;
+
+    return ndk::ScopedAStatus::ok();
+}
+
+}  // namespace aidl::android::hardware::gnss
diff --git a/gnss/aidl/default/GnssDebug.h b/gnss/aidl/default/GnssDebug.h
new file mode 100644
index 0000000..001d47c
--- /dev/null
+++ b/gnss/aidl/default/GnssDebug.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2021 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.
+ */
+
+#pragma once
+
+#include <aidl/android/hardware/gnss/BnGnssDebug.h>
+
+namespace aidl::android::hardware::gnss {
+
+struct GnssDebug : public BnGnssDebug {
+  public:
+    ndk::ScopedAStatus getDebugData(DebugData* debugData) override;
+};
+
+}  // namespace aidl::android::hardware::gnss
diff --git a/gnss/aidl/default/service.cpp b/gnss/aidl/default/service.cpp
index 09f1ad2..bbe34f1 100644
--- a/gnss/aidl/default/service.cpp
+++ b/gnss/aidl/default/service.cpp
@@ -42,7 +42,7 @@
     const std::string instance = std::string() + Gnss::descriptor + "/default";
     binder_status_t status =
             AServiceManager_addService(gnssAidl->asBinder().get(), instance.c_str());
-    CHECK(status == STATUS_OK);
+    CHECK_EQ(status, STATUS_OK);
 
     sp<IGnss> gnss = new GnssHidlHal(gnssAidl);
     configureRpcThreadpool(1, true /* will join */);
diff --git a/gnss/aidl/vts/gnss_hal_test_cases.cpp b/gnss/aidl/vts/gnss_hal_test_cases.cpp
index aac59db..36be631 100644
--- a/gnss/aidl/vts/gnss_hal_test_cases.cpp
+++ b/gnss/aidl/vts/gnss_hal_test_cases.cpp
@@ -19,10 +19,12 @@
 #include <android/hardware/gnss/IAGnss.h>
 #include <android/hardware/gnss/IGnss.h>
 #include <android/hardware/gnss/IGnssBatching.h>
+#include <android/hardware/gnss/IGnssDebug.h>
 #include <android/hardware/gnss/IGnssMeasurementCallback.h>
 #include <android/hardware/gnss/IGnssMeasurementInterface.h>
 #include <android/hardware/gnss/IGnssPowerIndication.h>
 #include <android/hardware/gnss/IGnssPsds.h>
+#include <cutils/properties.h>
 #include "AGnssCallbackAidl.h"
 #include "GnssBatchingCallback.h"
 #include "GnssGeofenceCallback.h"
@@ -43,6 +45,7 @@
 using android::hardware::gnss::IGnssBatching;
 using android::hardware::gnss::IGnssBatchingCallback;
 using android::hardware::gnss::IGnssConfiguration;
+using android::hardware::gnss::IGnssDebug;
 using android::hardware::gnss::IGnssGeofence;
 using android::hardware::gnss::IGnssGeofenceCallback;
 using android::hardware::gnss::IGnssMeasurementCallback;
@@ -55,6 +58,12 @@
 
 using GnssConstellationTypeAidl = android::hardware::gnss::GnssConstellationType;
 
+static bool IsAutomotiveDevice() {
+    char buffer[PROPERTY_VALUE_MAX] = {0};
+    property_get("ro.hardware.type", buffer, "");
+    return strncmp(buffer, "automotive", PROPERTY_VALUE_MAX) == 0;
+}
+
 /*
  * SetupTeardownCreateCleanup:
  * Requests the gnss HAL then calls cleanup
@@ -820,3 +829,50 @@
     status = iAGnss->setServer(AGnssType::SUPL, String16("supl.google.com"), 7275);
     ASSERT_TRUE(status.isOk());
 }
+
+/*
+ * GnssDebugValuesSanityTest:
+ * Ensures that GnssDebug values make sense.
+ */
+TEST_P(GnssHalTest, GnssDebugValuesSanityTest) {
+    if (aidl_gnss_hal_->getInterfaceVersion() == 1) {
+        return;
+    }
+    sp<IGnssDebug> iGnssDebug;
+    auto status = aidl_gnss_hal_->getExtensionGnssDebug(&iGnssDebug);
+    ASSERT_TRUE(status.isOk());
+
+    if (!IsAutomotiveDevice() && gnss_cb_->info_cbq_.calledCount() > 0) {
+        ASSERT_TRUE(iGnssDebug != nullptr);
+
+        IGnssDebug::DebugData data;
+        auto status = iGnssDebug->getDebugData(&data);
+        ASSERT_TRUE(status.isOk());
+
+        if (data.position.valid) {
+            ASSERT_TRUE(data.position.latitudeDegrees >= -90 &&
+                        data.position.latitudeDegrees <= 90);
+            ASSERT_TRUE(data.position.longitudeDegrees >= -180 &&
+                        data.position.longitudeDegrees <= 180);
+            ASSERT_TRUE(data.position.altitudeMeters >= -1000 &&  // Dead Sea: -414m
+                        data.position.altitudeMeters <= 20000);   // Mount Everest: 8850m
+            ASSERT_TRUE(data.position.speedMetersPerSec >= 0 &&
+                        data.position.speedMetersPerSec <= 600);
+            ASSERT_TRUE(data.position.bearingDegrees >= -360 &&
+                        data.position.bearingDegrees <= 360);
+            ASSERT_TRUE(data.position.horizontalAccuracyMeters > 0 &&
+                        data.position.horizontalAccuracyMeters <= 20000000);
+            ASSERT_TRUE(data.position.verticalAccuracyMeters > 0 &&
+                        data.position.verticalAccuracyMeters <= 20000);
+            ASSERT_TRUE(data.position.speedAccuracyMetersPerSecond > 0 &&
+                        data.position.speedAccuracyMetersPerSecond <= 500);
+            ASSERT_TRUE(data.position.bearingAccuracyDegrees > 0 &&
+                        data.position.bearingAccuracyDegrees <= 180);
+            ASSERT_TRUE(data.position.ageSeconds >= 0);
+        }
+        ASSERT_TRUE(data.time.timeEstimateMs >= 1483228800000);  // Jan 01 2017 00:00:00 GMT.
+        ASSERT_TRUE(data.time.timeUncertaintyNs > 0);
+        ASSERT_TRUE(data.time.frequencyUncertaintyNsPerSec > 0 &&
+                    data.time.frequencyUncertaintyNsPerSec <= 2.0e5);  // 200 ppm
+    }
+}
diff --git a/graphics/composer/aidl/aidl_api/android.hardware.graphics.composer3/current/android/hardware/graphics/composer3/Composition.aidl b/graphics/composer/aidl/aidl_api/android.hardware.graphics.composer3/current/android/hardware/graphics/composer3/Composition.aidl
index e327e87..d2d8f04 100644
--- a/graphics/composer/aidl/aidl_api/android.hardware.graphics.composer3/current/android/hardware/graphics/composer3/Composition.aidl
+++ b/graphics/composer/aidl/aidl_api/android.hardware.graphics.composer3/current/android/hardware/graphics/composer3/Composition.aidl
@@ -40,4 +40,5 @@
   SOLID_COLOR = 3,
   CURSOR = 4,
   SIDEBAND = 5,
+  DISPLAY_DECORATION = 6,
 }
diff --git a/graphics/composer/aidl/android/hardware/graphics/composer3/ColorTransformPayload.aidl b/graphics/composer/aidl/android/hardware/graphics/composer3/ColorTransformPayload.aidl
index 8bb0711..fc37dac 100644
--- a/graphics/composer/aidl/android/hardware/graphics/composer3/ColorTransformPayload.aidl
+++ b/graphics/composer/aidl/android/hardware/graphics/composer3/ColorTransformPayload.aidl
@@ -27,7 +27,7 @@
 
     /**
      * Hint value which may be used instead of the given matrix unless it
-     * is ColorTransform::ARBITRARY.
+     * is ColorTransform.ARBITRARY.
      */
     ColorTransform hint;
 }
diff --git a/graphics/composer/aidl/android/hardware/graphics/composer3/Composition.aidl b/graphics/composer/aidl/android/hardware/graphics/composer3/Composition.aidl
index ea22af2..4947463 100644
--- a/graphics/composer/aidl/android/hardware/graphics/composer3/Composition.aidl
+++ b/graphics/composer/aidl/android/hardware/graphics/composer3/Composition.aidl
@@ -66,11 +66,24 @@
     /**
      * The device must handle the composition of this layer, as well as
      * its buffer updates and content synchronization. Only supported on
-     * devices which provide Capability::SIDEBAND_STREAM.
+     * devices which provide Capability.SIDEBAND_STREAM.
      *
      * Upon validateDisplay, the device may request a change from this
      * type to either DEVICE or CLIENT, but it is unlikely that content
      * will display correctly in these cases.
      */
     SIDEBAND = 5,
+    /**
+     * A display decoration layer contains a buffer which is an 8 bit
+     * alpha mask. Pixels in the mask with an alpha of 0 (transparent) will
+     * show the content underneath, and pixels with an alpha of 255 will be
+     * be rendered in black. An alpha in between will show the content
+     * blended with black. This is useful, for example, to provide
+     * anti-aliasing on the cutout region/rounded corners on the top and
+     * bottom of a display.
+     *
+     * Upon validateDisplay, the device may request a change from this type
+     * to CLIENT.
+     */
+    DISPLAY_DECORATION = 6,
 }
diff --git a/graphics/composer/aidl/android/hardware/graphics/composer3/DisplayCapability.aidl b/graphics/composer/aidl/android/hardware/graphics/composer3/DisplayCapability.aidl
index bfaa15b..eacf106 100644
--- a/graphics/composer/aidl/android/hardware/graphics/composer3/DisplayCapability.aidl
+++ b/graphics/composer/aidl/android/hardware/graphics/composer3/DisplayCapability.aidl
@@ -41,15 +41,15 @@
      */
     SKIP_CLIENT_COLOR_TRANSFORM = 1,
     /**
-     * Indicates that the display supports PowerMode::DOZE and
-     * potentially PowerMode::DOZE_SUSPEND if DisplayCapability.SUSPEND is also
+     * Indicates that the display supports PowerMode.DOZE and
+     * potentially PowerMode.DOZE_SUSPEND if DisplayCapability.SUSPEND is also
      * supported. DOZE_SUSPEND may not provide any benefit
      * over DOZE (see the definition of PowerMode for more information),
      * but if both DOZE and DOZE_SUSPEND are no different from
-     * PowerMode::ON, the device must not claim support.
+     * PowerMode.ON, the device must not claim support.
      * Must be returned by getDisplayCapabilities when getDozeSupport
-     * indicates the display supports PowerMode::DOZE and
-     * PowerMode::DOZE_SUSPEND.
+     * indicates the display supports PowerMode.DOZE and
+     * PowerMode.DOZE_SUSPEND.
      */
     DOZE = 2,
     /**
diff --git a/graphics/composer/aidl/android/hardware/graphics/composer3/DisplayCommand.aidl b/graphics/composer/aidl/android/hardware/graphics/composer3/DisplayCommand.aidl
index cdc4759..21497c4 100644
--- a/graphics/composer/aidl/android/hardware/graphics/composer3/DisplayCommand.aidl
+++ b/graphics/composer/aidl/android/hardware/graphics/composer3/DisplayCommand.aidl
@@ -38,7 +38,7 @@
     /**
      * Sets a color transform which will be applied after composition.
      *
-     * If hint is not ColorTransform::ARBITRARY, then the device may use the
+     * If hint is not ColorTransform.ARBITRARY, then the device may use the
      * hint to apply the desired color transform instead of using the color
      * matrix directly.
      *
@@ -46,7 +46,7 @@
      * apply the desired color transform, it must force all layers to client
      * composition during VALIDATE_DISPLAY.
      *
-     * If IComposer::Capability::SKIP_CLIENT_COLOR_TRANSFORM is present, then
+     * If Capability.SKIP_CLIENT_COLOR_TRANSFORM is present, then
      * the client must never apply the color transform during client
      * composition, even if all layers are being composed by the client.
      *
@@ -74,9 +74,9 @@
 
     /**
      * Sets the buffer handle which will receive the output of client
-     * composition.  Layers marked as Composition::CLIENT must be composited
+     * composition.  Layers marked as Composition.CLIENT must be composited
      * into this buffer prior to the call to PRESENT_DISPLAY, and layers not
-     * marked as Composition::CLIENT must be composited with this buffer by
+     * marked as Composition.CLIENT must be composited with this buffer by
      * the device.
      *
      * The buffer handle provided may be empty if no layers are being
@@ -94,7 +94,7 @@
      * the description of SET_LAYER_SURFACE_DAMAGE.
      *
      * Will be called before PRESENT_DISPLAY if any of the layers are marked
-     * as Composition::CLIENT. If no layers are so marked, then it is not
+     * as Composition.CLIENT. If no layers are so marked, then it is not
      * necessary to call this function. It is not necessary to call
      * validateDisplay after changing the target through this function.
      */
diff --git a/graphics/composer/aidl/android/hardware/graphics/composer3/DisplayRequest.aidl b/graphics/composer/aidl/android/hardware/graphics/composer3/DisplayRequest.aidl
index ea7745d..27fe1e6 100644
--- a/graphics/composer/aidl/android/hardware/graphics/composer3/DisplayRequest.aidl
+++ b/graphics/composer/aidl/android/hardware/graphics/composer3/DisplayRequest.aidl
@@ -27,7 +27,7 @@
     /**
      * Instructs the client to write the result of client composition
      * directly into the virtual display output buffer. If any of the
-     * layers are not marked as Composition::CLIENT or the given display
+     * layers are not marked as Composition.CLIENT or the given display
      * is not a virtual display, this request has no effect.
      */
     const int WRITE_CLIENT_TARGET_TO_OUTPUT = 1 << 1;
diff --git a/graphics/composer/aidl/android/hardware/graphics/composer3/IComposer.aidl b/graphics/composer/aidl/android/hardware/graphics/composer3/IComposer.aidl
index a6a9f73..b8edd80 100644
--- a/graphics/composer/aidl/android/hardware/graphics/composer3/IComposer.aidl
+++ b/graphics/composer/aidl/android/hardware/graphics/composer3/IComposer.aidl
@@ -27,7 +27,7 @@
     const int EX_NO_RESOURCES = 6;
 
     /**
-     * Creates a v2.4 client of the composer. Supersedes @2.3::createClient.
+     * Creates a client of the composer.
      *
      * @return is the newly created client.
      *
diff --git a/graphics/composer/aidl/android/hardware/graphics/composer3/IComposerCallback.aidl b/graphics/composer/aidl/android/hardware/graphics/composer3/IComposerCallback.aidl
index 1709e6d..ac95b41 100644
--- a/graphics/composer/aidl/android/hardware/graphics/composer3/IComposerCallback.aidl
+++ b/graphics/composer/aidl/android/hardware/graphics/composer3/IComposerCallback.aidl
@@ -26,7 +26,7 @@
      * must trigger at least one hotplug notification, even if it only occurs
      * immediately after callback registration.
      *
-     * Displays which have been connected are assumed to be in PowerMode::OFF,
+     * Displays which have been connected are assumed to be in PowerMode.OFF,
      * and the onVsync callback should not be called for a display until vsync
      * has been enabled with setVsyncEnabled.
      *
diff --git a/graphics/composer/aidl/android/hardware/graphics/composer3/IComposerClient.aidl b/graphics/composer/aidl/android/hardware/graphics/composer3/IComposerClient.aidl
index b89b4c4..28bdb2c 100644
--- a/graphics/composer/aidl/android/hardware/graphics/composer3/IComposerClient.aidl
+++ b/graphics/composer/aidl/android/hardware/graphics/composer3/IComposerClient.aidl
@@ -185,7 +185,7 @@
     /**
      * Returns the color modes supported on this display.
      *
-     * All devices must support at least ColorMode::NATIVE.
+     * All devices must support at least ColorMode.NATIVE.
      *
      * @param display is the display to query.
      *
@@ -201,7 +201,7 @@
      *
      * When the layer dataspace is a legacy dataspace (see
      * common@1.1::Dataspace) and the display render intent is
-     * RenderIntent::ENHANCE, the pixel values can go through an
+     * RenderIntent.ENHANCE, the pixel values can go through an
      * implementation-defined saturation transform before being mapped to the
      * current color mode colorimetrically.
      *
@@ -409,8 +409,8 @@
      *
      * The width and height of this buffer must be those of the currently-active
      * display configuration, and the usage flags must consist of the following:
-     *   BufferUsage::CPU_READ | BufferUsage::GPU_TEXTURE |
-     *   BufferUsage::COMPOSER_OUTPUT
+     *   BufferUsage.CPU_READ | BufferUsage.GPU_TEXTURE |
+     *   BufferUsage.COMPOSER_OUTPUT
      *
      * The format and dataspace provided must be sufficient such that if a
      * correctly-configured buffer is passed into setReadbackBuffer, filled by
@@ -485,8 +485,8 @@
      * Returns the render intents supported by the specified display and color
      * mode.
      *
-     * For SDR color modes, RenderIntent::COLORIMETRIC must be supported. For
-     * HDR color modes, RenderIntent::TONE_MAP_COLORIMETRIC must be supported.
+     * For SDR color modes, RenderIntent.COLORIMETRIC must be supported. For
+     * HDR color modes, RenderIntent.TONE_MAP_COLORIMETRIC must be supported.
      *
      * @param display is the display to query.
      * @param mode is the color mode to query.
@@ -500,11 +500,11 @@
 
     /**
      * Provides a list of all the content types supported by this display (any of
-     * ContentType::{GRAPHICS, PHOTO, CINEMA, GAME}). This list must not change after
+     * ContentType.{GRAPHICS, PHOTO, CINEMA, GAME}). This list must not change after
      * initialization.
      *
      * Content types are introduced in HDMI 1.4 and supporting them is optional. The
-     * ContentType::NONE is always supported and will not be returned by this method..
+     * ContentType.NONE is always supported and will not be returned by this method..
      *
      * @return out is a list of supported content types.
      *
@@ -571,7 +571,7 @@
      * be triggered.
      *
      * This function should only be called if the display reports support for
-     * DisplayCapability::AUTO_LOW_LATENCY_MODE from getDisplayCapabilities_2_4.
+     * DisplayCapability.AUTO_LOW_LATENCY_MODE from getDisplayCapabilities_2_4.
      *
      * @exception EX_BAD_DISPLAY when an invalid display handle was passed in.
      * @exception EX_UNSUPPORTED when AUTO_LOW_LATENCY_MODE is not supported by the composer
@@ -595,8 +595,8 @@
      * The color mode and render intent change must take effect on next
      * presentDisplay.
      *
-     * All devices must support at least ColorMode::NATIVE and
-     * RenderIntent::COLORIMETRIC, and displays are assumed to be in this mode
+     * All devices must support at least ColorMode.NATIVE and
+     * RenderIntent.COLORIMETRIC, and displays are assumed to be in this mode
      * upon hotplug.
      *
      * @param display is the display to which the color mode is set.
@@ -682,8 +682,8 @@
      * complete when this function returns. It is valid to call this function
      * multiple times with the same power mode.
      *
-     * All displays must support PowerMode::ON and PowerMode::OFF.  Whether a
-     * display supports PowerMode::DOZE or PowerMode::DOZE_SUSPEND may be
+     * All displays must support PowerMode.ON and PowerMode.OFF.  Whether a
+     * display supports PowerMode.DOZE or PowerMode.DOZE_SUSPEND may be
      * queried using getDozeSupport.
      *
      * @param display is the display to which the power mode is set.
diff --git a/graphics/composer/aidl/android/hardware/graphics/composer3/LayerCommand.aidl b/graphics/composer/aidl/android/hardware/graphics/composer3/LayerCommand.aidl
index 130e3b1..761da9a 100644
--- a/graphics/composer/aidl/android/hardware/graphics/composer3/LayerCommand.aidl
+++ b/graphics/composer/aidl/android/hardware/graphics/composer3/LayerCommand.aidl
@@ -45,7 +45,7 @@
     /**
      * Asynchronously sets the position of a cursor layer.
      *
-     * Prior to validateDisplay, a layer may be marked as Composition::CURSOR.
+     * Prior to validateDisplay, a layer may be marked as Composition.CURSOR.
      * If validation succeeds (i.e., the device does not request a composition
      * change for that layer), then once a buffer has been set for the layer
      * and it has been presented, its position may be set by this function at
@@ -73,8 +73,8 @@
      * may be passed instead.
      *
      * This function must return NONE and have no other effect if called for a
-     * layer with a composition type of Composition::SOLID_COLOR (because it
-     * has no buffer) or Composition::SIDEBAND or Composition::CLIENT (because
+     * layer with a composition type of Composition.SOLID_COLOR (because it
+     * has no buffer) or Composition.SIDEBAND or Composition.CLIENT (because
      * synchronization and buffer updates for these layers are handled
      * elsewhere).
      */
@@ -109,14 +109,14 @@
 
     /**
      * Sets the color of the given layer. If the composition type of the layer
-     * is not Composition::SOLID_COLOR, this call must succeed and have no
+     * is not Composition.SOLID_COLOR, this call must succeed and have no
      * other effect.
      */
     @nullable Color color;
 
     /**
      * Sets the color of the given layer. If the composition type of the layer
-     * is not Composition::SOLID_COLOR, this call must succeed and have no
+     * is not Composition.SOLID_COLOR, this call must succeed and have no
      * other effect.
      */
     @nullable FloatColor floatColor;
@@ -149,20 +149,20 @@
      * Sets an alpha value (a floating point value in the range [0.0, 1.0])
      * which will be applied to the whole layer. It can be conceptualized as a
      * preprocessing step which applies the following function:
-     *   if (blendMode == BlendMode::PREMULTIPLIED)
+     *   if (blendMode == BlendMode.PREMULTIPLIED)
      *       out.rgb = in.rgb * planeAlpha
      *   out.a = in.a * planeAlpha
      *
      * If the device does not support this operation on a layer which is
-     * marked Composition::DEVICE, it must request a composition type change
-     * to Composition::CLIENT upon the next validateDisplay call.
+     * marked Composition.DEVICE, it must request a composition type change
+     * to Composition.CLIENT upon the next validateDisplay call.
      *
      */
     @nullable PlaneAlpha planeAlpha;
 
     /**
      * Sets the sideband stream for this layer. If the composition type of the
-     * given layer is not Composition::SIDEBAND, this call must succeed and
+     * given layer is not Composition.SIDEBAND, this call must succeed and
      * have no other effect.
      */
     @nullable NativeHandle sidebandStream;
@@ -174,7 +174,7 @@
      *
      * If the device is not capable of supporting a true float source crop
      * (i.e., it will truncate or round the floats to integers), it must set
-     * this layer to Composition::CLIENT when crop is non-integral for the
+     * this layer to Composition.CLIENT when crop is non-integral for the
      * most accurate rendering.
      *
      * If the device cannot support float source crops, but still wants to
diff --git a/graphics/composer/aidl/android/hardware/graphics/composer3/RenderIntent.aidl b/graphics/composer/aidl/android/hardware/graphics/composer3/RenderIntent.aidl
index 043b24d..debf32c 100644
--- a/graphics/composer/aidl/android/hardware/graphics/composer3/RenderIntent.aidl
+++ b/graphics/composer/aidl/android/hardware/graphics/composer3/RenderIntent.aidl
@@ -25,8 +25,8 @@
  * modes should not affect the mapping.
  *
  * RenderIntent overrides the render intents defined for individual color
- * modes. It is ignored when the color mode is ColorMode::NATIVE, because
- * ColorMode::NATIVE colors are already display colors.
+ * modes. It is ignored when the color mode is ColorMode.NATIVE, because
+ * ColorMode.NATIVE colors are already display colors.
  */
 @VintfStability
 @Backing(type="int")
@@ -36,7 +36,7 @@
      * gamut are hard-clipped.
      *
      * This implies that the display must have been calibrated unless
-     * ColorMode::NATIVE is the only supported color mode.
+     * ColorMode.NATIVE is the only supported color mode.
      */
     COLORIMETRIC = 0,
     /**
diff --git a/graphics/composer/aidl/android/hardware/graphics/composer3/vts/functional/VtsHalGraphicsComposer3_TargetTest.cpp b/graphics/composer/aidl/android/hardware/graphics/composer3/vts/functional/VtsHalGraphicsComposer3_TargetTest.cpp
index c21a196..1f30475 100644
--- a/graphics/composer/aidl/android/hardware/graphics/composer3/vts/functional/VtsHalGraphicsComposer3_TargetTest.cpp
+++ b/graphics/composer/aidl/android/hardware/graphics/composer3/vts/functional/VtsHalGraphicsComposer3_TargetTest.cpp
@@ -1264,7 +1264,7 @@
         int64_t layer = 0;
         ASSERT_NO_FATAL_FAILURE(layer = createLayer(display));
         {
-            auto buffer = allocate();
+            const auto buffer = allocate();
             ASSERT_NE(nullptr, buffer);
             ASSERT_EQ(::android::OK, buffer->initCheck());
             ASSERT_NE(nullptr, buffer->handle);
@@ -1293,7 +1293,7 @@
         }
 
         {
-            auto buffer = allocate();
+            const auto buffer = allocate();
             ASSERT_NE(nullptr, buffer->handle);
 
             mWriter.setLayerBuffer(display.get(), layer, 0, buffer->handle, -1);
@@ -1455,7 +1455,8 @@
                                                kBufferSlotCount, &display)
                         .isOk());
 
-    auto handle = allocate()->handle;
+    const auto buffer = allocate();
+    const auto handle = buffer->handle;
     mWriter.setOutputBuffer(display.display, 0, handle, -1);
     execute();
 }
@@ -1501,7 +1502,8 @@
     for (auto intent : renderIntents) {
         mComposerClient->setColorMode(mPrimaryDisplay, ColorMode::NATIVE, intent);
 
-        auto handle = allocate()->handle;
+        const auto buffer = allocate();
+        const auto handle = buffer->handle;
         ASSERT_NE(nullptr, handle);
 
         Rect displayFrame{0, 0, mDisplayWidth, mDisplayHeight};
@@ -1536,7 +1538,8 @@
         execute();
         ASSERT_TRUE(mReader.takeErrors().empty());
 
-        auto handle2 = allocate()->handle;
+        const auto buffer2 = allocate();
+        const auto handle2 = buffer2->handle;
         ASSERT_NE(nullptr, handle2);
         mWriter.setLayerBuffer(mPrimaryDisplay, layer, 0, handle2, -1);
         mWriter.setLayerSurfaceDamage(mPrimaryDisplay, layer, std::vector<Rect>(1, {0, 0, 10, 10}));
@@ -1550,7 +1553,8 @@
     int64_t layer;
     EXPECT_TRUE(mComposerClient->createLayer(mPrimaryDisplay, kBufferSlotCount, &layer).isOk());
 
-    auto handle = allocate()->handle;
+    const auto buffer = allocate();
+    const auto handle = buffer->handle;
     ASSERT_NE(nullptr, handle);
     Rect displayFrame{0, 0, mDisplayWidth, mDisplayHeight};
 
@@ -1589,7 +1593,8 @@
 }
 
 TEST_P(GraphicsComposerAidlCommandTest, SET_LAYER_BUFFER) {
-    auto handle = allocate()->handle;
+    const auto buffer = allocate();
+    const auto handle = buffer->handle;
     ASSERT_NE(nullptr, handle);
 
     int64_t layer;
@@ -1709,7 +1714,8 @@
         return;
     }
 
-    auto handle = allocate()->handle;
+    const auto buffer = allocate();
+    const auto handle = buffer->handle;
     ASSERT_NE(nullptr, handle);
 
     int64_t layer;
@@ -1963,5 +1969,41 @@
         ALOGE("Failed to stop init.svc.surfaceflinger");
         return -1;
     }
+
+    android::ProcessState::self()->setThreadPoolMaxThreadCount(4);
+
+    // The binder threadpool we start will inherit sched policy and priority
+    // of (this) creating thread. We want the binder thread pool to have
+    // SCHED_FIFO policy and priority 1 (lowest RT priority)
+    // Once the pool is created we reset this thread's priority back to
+    // original.
+    // This thread policy is based on what we do in the SurfaceFlinger while starting
+    // the thread pool and we need to replicate that for the VTS tests.
+    int newPriority = 0;
+    int origPolicy = sched_getscheduler(0);
+    struct sched_param origSchedParam;
+
+    int errorInPriorityModification = sched_getparam(0, &origSchedParam);
+    if (errorInPriorityModification == 0) {
+        int policy = SCHED_FIFO;
+        newPriority = sched_get_priority_min(policy);
+
+        struct sched_param param;
+        param.sched_priority = newPriority;
+
+        errorInPriorityModification = sched_setscheduler(0, policy, &param);
+    }
+
+    // start the thread pool
+    android::ProcessState::self()->startThreadPool();
+
+    // Reset current thread's policy and priority
+    if (errorInPriorityModification == 0) {
+        errorInPriorityModification = sched_setscheduler(0, origPolicy, &origSchedParam);
+    } else {
+        ALOGE("Failed to set VtsHalGraphicsComposer3_TargetTest binder threadpool priority to "
+              "SCHED_FIFO");
+    }
+
     return RUN_ALL_TESTS();
 }
diff --git a/identity/aidl/default/service.cpp b/identity/aidl/default/service.cpp
index c290c08..78f4fbc 100644
--- a/identity/aidl/default/service.cpp
+++ b/identity/aidl/default/service.cpp
@@ -43,7 +43,7 @@
 
     const std::string instance = std::string() + IdentityCredentialStore::descriptor + "/default";
     binder_status_t status = AServiceManager_addService(store->asBinder().get(), instance.c_str());
-    CHECK(status == STATUS_OK);
+    CHECK_EQ(status, STATUS_OK);
 
     ABinderProcess_joinThreadPool();
     return EXIT_FAILURE;  // should not reach
diff --git a/light/aidl/default/main.cpp b/light/aidl/default/main.cpp
index a860bf4..54e1316 100644
--- a/light/aidl/default/main.cpp
+++ b/light/aidl/default/main.cpp
@@ -28,7 +28,7 @@
 
     const std::string instance = std::string() + Lights::descriptor + "/default";
     binder_status_t status = AServiceManager_addService(lights->asBinder().get(), instance.c_str());
-    CHECK(status == STATUS_OK);
+    CHECK_EQ(status, STATUS_OK);
 
     ABinderProcess_joinThreadPool();
     return EXIT_FAILURE;  // should not reached
diff --git a/memtrack/aidl/default/main.cpp b/memtrack/aidl/default/main.cpp
index d063d2a..5cf5f94 100644
--- a/memtrack/aidl/default/main.cpp
+++ b/memtrack/aidl/default/main.cpp
@@ -29,7 +29,7 @@
     const std::string instance = std::string() + Memtrack::descriptor + "/default";
     binder_status_t status =
             AServiceManager_addService(memtrack->asBinder().get(), instance.c_str());
-    CHECK(status == STATUS_OK);
+    CHECK_EQ(status, STATUS_OK);
 
     ABinderProcess_joinThreadPool();
     return EXIT_FAILURE;  // Unreachable
diff --git a/oemlock/aidl/default/service.cpp b/oemlock/aidl/default/service.cpp
index af828a0..9fa7d63 100644
--- a/oemlock/aidl/default/service.cpp
+++ b/oemlock/aidl/default/service.cpp
@@ -28,7 +28,7 @@
 
     const std::string instance = std::string() + OemLock::descriptor + "/default";
     binder_status_t status = AServiceManager_addService(oemlock->asBinder().get(), instance.c_str());
-    CHECK(status == STATUS_OK);
+    CHECK_EQ(status, STATUS_OK);
 
     ABinderProcess_joinThreadPool();
     return -1; // Should never be reached
diff --git a/power/aidl/aidl_api/android.hardware.power/current/android/hardware/power/Mode.aidl b/power/aidl/aidl_api/android.hardware.power/current/android/hardware/power/Mode.aidl
index 8920c01..ba444a7 100644
--- a/power/aidl/aidl_api/android.hardware.power/current/android/hardware/power/Mode.aidl
+++ b/power/aidl/aidl_api/android.hardware.power/current/android/hardware/power/Mode.aidl
@@ -49,4 +49,5 @@
   CAMERA_STREAMING_LOW = 12,
   CAMERA_STREAMING_MID = 13,
   CAMERA_STREAMING_HIGH = 14,
+  GAME_LOADING = 15,
 }
diff --git a/power/aidl/android/hardware/power/Mode.aidl b/power/aidl/android/hardware/power/Mode.aidl
index ae113e3..2ebace1 100644
--- a/power/aidl/android/hardware/power/Mode.aidl
+++ b/power/aidl/android/hardware/power/Mode.aidl
@@ -162,4 +162,9 @@
      * This hint indicates that camera high resolution stream is being started.
      */
     CAMERA_STREAMING_HIGH,
+
+    /**
+     * This mode indicates that the user is waiting for loading in a game.
+     */
+    GAME_LOADING,
 }
diff --git a/power/aidl/default/Android.bp b/power/aidl/default/Android.bp
index 9acb9e0..223b9d5 100644
--- a/power/aidl/default/Android.bp
+++ b/power/aidl/default/Android.bp
@@ -30,7 +30,7 @@
     shared_libs: [
         "libbase",
         "libbinder_ndk",
-        "android.hardware.power-V2-ndk",
+        "android.hardware.power-V3-ndk",
     ],
     srcs: [
         "main.cpp",
diff --git a/power/aidl/default/main.cpp b/power/aidl/default/main.cpp
index 964bd96..306b91b 100644
--- a/power/aidl/default/main.cpp
+++ b/power/aidl/default/main.cpp
@@ -28,7 +28,7 @@
 
     const std::string instance = std::string() + Power::descriptor + "/default";
     binder_status_t status = AServiceManager_addService(vib->asBinder().get(), instance.c_str());
-    CHECK(status == STATUS_OK);
+    CHECK_EQ(status, STATUS_OK);
 
     ABinderProcess_joinThreadPool();
     return EXIT_FAILURE;  // should not reach
diff --git a/power/aidl/default/power-default.xml b/power/aidl/default/power-default.xml
index 9f56deb..927ba22 100644
--- a/power/aidl/default/power-default.xml
+++ b/power/aidl/default/power-default.xml
@@ -1,7 +1,7 @@
 <manifest version="1.0" type="device">
     <hal format="aidl">
         <name>android.hardware.power</name>
-        <version>2</version>
+        <version>3</version>
         <fqname>IPower/default</fqname>
     </hal>
 </manifest>
diff --git a/power/stats/aidl/default/main.cpp b/power/stats/aidl/default/main.cpp
index 2fe3d2e..9e78247 100644
--- a/power/stats/aidl/default/main.cpp
+++ b/power/stats/aidl/default/main.cpp
@@ -73,7 +73,7 @@
 
     const std::string instance = std::string() + PowerStats::descriptor + "/default";
     binder_status_t status = AServiceManager_addService(p->asBinder().get(), instance.c_str());
-    CHECK(status == STATUS_OK);
+    CHECK_EQ(status, STATUS_OK);
 
     ABinderProcess_joinThreadPool();
     return EXIT_FAILURE;  // should not reach
diff --git a/rebootescrow/aidl/default/service.cpp b/rebootescrow/aidl/default/service.cpp
index 8a8086b..dc06c71 100644
--- a/rebootescrow/aidl/default/service.cpp
+++ b/rebootescrow/aidl/default/service.cpp
@@ -34,7 +34,7 @@
     auto re = ndk::SharedRefBase::make<RebootEscrow>(rebootEscrowDevicePath);
     const std::string instance = std::string() + RebootEscrow::descriptor + "/default";
     binder_status_t status = AServiceManager_addService(re->asBinder().get(), instance.c_str());
-    CHECK(status == STATUS_OK);
+    CHECK_EQ(status, STATUS_OK);
 
     ABinderProcess_joinThreadPool();
     return EXIT_FAILURE;
diff --git a/security/keymint/aidl/Android.bp b/security/keymint/aidl/Android.bp
index 3cf6ff2..dcbe9c1 100644
--- a/security/keymint/aidl/Android.bp
+++ b/security/keymint/aidl/Android.bp
@@ -45,14 +45,14 @@
 cc_defaults {
     name: "keymint_use_latest_hal_aidl_ndk_static",
     static_libs: [
-        "android.hardware.security.keymint-V1-ndk",
+        "android.hardware.security.keymint-V2-ndk",
     ],
 }
 
 cc_defaults {
     name: "keymint_use_latest_hal_aidl_ndk_shared",
     shared_libs: [
-        "android.hardware.security.keymint-V1-ndk",
+        "android.hardware.security.keymint-V2-ndk",
     ],
 }
 
@@ -62,6 +62,6 @@
 rust_defaults {
     name: "keymint_use_latest_hal_aidl_rust",
     rustlibs: [
-        "android.hardware.security.keymint-V1-rust",
+        "android.hardware.security.keymint-V2-rust",
     ],
 }
diff --git a/security/keymint/aidl/aidl_api/android.hardware.security.keymint/current/android/hardware/security/keymint/EcCurve.aidl b/security/keymint/aidl/aidl_api/android.hardware.security.keymint/current/android/hardware/security/keymint/EcCurve.aidl
index 6b4a9ae..ffc7efe 100644
--- a/security/keymint/aidl/aidl_api/android.hardware.security.keymint/current/android/hardware/security/keymint/EcCurve.aidl
+++ b/security/keymint/aidl/aidl_api/android.hardware.security.keymint/current/android/hardware/security/keymint/EcCurve.aidl
@@ -39,4 +39,5 @@
   P_256 = 1,
   P_384 = 2,
   P_521 = 3,
+  CURVE_25519 = 4,
 }
diff --git a/security/keymint/aidl/android/hardware/security/keymint/EcCurve.aidl b/security/keymint/aidl/android/hardware/security/keymint/EcCurve.aidl
index 5b1c10c..e9f81d8 100644
--- a/security/keymint/aidl/android/hardware/security/keymint/EcCurve.aidl
+++ b/security/keymint/aidl/android/hardware/security/keymint/EcCurve.aidl
@@ -27,4 +27,5 @@
     P_256 = 1,
     P_384 = 2,
     P_521 = 3,
+    CURVE_25519 = 4,
 }
diff --git a/security/keymint/aidl/android/hardware/security/keymint/IKeyMintDevice.aidl b/security/keymint/aidl/android/hardware/security/keymint/IKeyMintDevice.aidl
index cd8cfc5..9846ee9 100644
--- a/security/keymint/aidl/android/hardware/security/keymint/IKeyMintDevice.aidl
+++ b/security/keymint/aidl/android/hardware/security/keymint/IKeyMintDevice.aidl
@@ -93,6 +93,11 @@
  *        P-521.  STRONGBOX IKeyMintDevices must support NIST curve P-256.
  *      - TRUSTED_ENVIRONMENT IKeyMintDevices must support SHA1, SHA-2 224, SHA-2 256, SHA-2
  *        384 and SHA-2 512 digest modes.  STRONGBOX IKeyMintDevices must support SHA-2 256.
+ *      - TRUSTED_ENVRIONMENT IKeyMintDevices must support curve 25519 for Purpose::SIGN (Ed25519,
+ *        as specified in RFC 8032), Purpose::ATTEST_KEY (Ed25519) or for KeyPurpose::AGREE_KEY
+ *        (X25519, as specified in RFC 7748).  However, a key must have exactly one of these
+ *        purpose values; the same key cannot be used for multiple purposes.
+ *        STRONGBOX IKeyMintDevices do not support curve 25519.
  *
  * o   AES
  *
@@ -287,7 +292,7 @@
      *   except AGREE_KEY must be supported for RSA keys.
      *
      * o Tag::DIGEST specifies digest algorithms that may be used with the new key.  TEE
-     *   IKeyMintDevice implementations must support all Digest values (see digest.aidl) for RSA
+     *   IKeyMintDevice implementations must support all Digest values (see Digest.aidl) for RSA
      *   keys.  StrongBox IKeyMintDevice implementations must support SHA_2_256.
      *
      * o Tag::PADDING specifies the padding modes that may be used with the new
@@ -298,13 +303,24 @@
      * == ECDSA Keys ==
      *
      * Tag::EC_CURVE must be provided to generate an ECDSA key.  If it is not provided, generateKey
-     * must return ErrorCode::UNSUPPORTED_KEY_SIZE. TEE IKeyMintDevice implementations must support
-     * all curves.  StrongBox implementations must support P_256.
-
+     * must return ErrorCode::UNSUPPORTED_KEY_SIZE or ErrorCode::UNSUPPORTED_EC_CURVE. TEE
+     * IKeyMintDevice implementations must support all required curves.  StrongBox implementations
+     * must support P_256 and no other curves.
+     *
      * Tag::CERTIFICATE_NOT_BEFORE and Tag::CERTIFICATE_NOT_AFTER must be provided to specify the
      * valid date range for the returned X.509 certificate holding the public key. If omitted,
      * generateKey must return ErrorCode::MISSING_NOT_BEFORE or ErrorCode::MISSING_NOT_AFTER.
      *
+     * Keys with EC_CURVE of EcCurve::CURVE_25519 must have exactly one purpose in the set
+     * {KeyPurpose::SIGN, KeyPurpose::ATTEST_KEY, KeyPurpose::AGREE_KEY}.  Key generation with more
+     * than one purpose should be rejected with ErrorCode::INCOMPATIBLE_PURPOSE.
+     * StrongBox implementation do not support CURVE_25519.
+     *
+     * Tag::DIGEST specifies digest algorithms that may be used with the new key.  TEE
+     * IKeyMintDevice implementations must support all Digest values (see Digest.aidl) for ECDSA
+     * keys; Ed25519 keys only support Digest::NONE. StrongBox IKeyMintDevice implementations must
+     * support SHA_2_256.
+     *
      * == AES Keys ==
      *
      * Only Tag::KEY_SIZE is required to generate an AES key.  If omitted, generateKey must return
diff --git a/security/keymint/aidl/android/hardware/security/keymint/KeyFormat.aidl b/security/keymint/aidl/android/hardware/security/keymint/KeyFormat.aidl
index da3d521..3faef38 100644
--- a/security/keymint/aidl/android/hardware/security/keymint/KeyFormat.aidl
+++ b/security/keymint/aidl/android/hardware/security/keymint/KeyFormat.aidl
@@ -25,8 +25,10 @@
 enum KeyFormat {
     /** X.509 certificate format, for public key export. */
     X509 = 0,
-    /** PCKS#8 format, asymmetric key pair import. */
+    /** PKCS#8 format, asymmetric key pair import. */
     PKCS8 = 1,
-    /** Raw bytes, for symmetric key import. */
+    /**
+     * Raw bytes, for symmetric key import, and for import of raw asymmetric keys for curve 25519.
+     */
     RAW = 3,
 }
diff --git a/security/keymint/aidl/android/hardware/security/keymint/KeyPurpose.aidl b/security/keymint/aidl/android/hardware/security/keymint/KeyPurpose.aidl
index e141e55..fd103ef 100644
--- a/security/keymint/aidl/android/hardware/security/keymint/KeyPurpose.aidl
+++ b/security/keymint/aidl/android/hardware/security/keymint/KeyPurpose.aidl
@@ -44,6 +44,10 @@
     AGREE_KEY = 6,
 
     /* Usable as an attestation signing key.  Keys with this purpose must not have any other
-     * purpose. */
+     * purpose; if they do, key generation/import must be rejected with
+     * ErrorCode::INCOMPATIBLE_PURPOSE. (Rationale: If key also included KeyPurpose::SIGN, then
+     * it could be used to sign arbitrary data, including any tbsCertificate, and so an
+     * attestation produced by the key would have no security properties.)
+     */
     ATTEST_KEY = 7,
 }
diff --git a/security/keymint/aidl/default/service.cpp b/security/keymint/aidl/default/service.cpp
index 8092e34..dc0c618 100644
--- a/security/keymint/aidl/default/service.cpp
+++ b/security/keymint/aidl/default/service.cpp
@@ -39,7 +39,7 @@
     LOG(INFO) << "adding keymint service instance: " << instanceName;
     binder_status_t status =
             AServiceManager_addService(ser->asBinder().get(), instanceName.c_str());
-    CHECK(status == STATUS_OK);
+    CHECK_EQ(status, STATUS_OK);
     return ser;
 }
 
diff --git a/security/keymint/aidl/vts/functional/AttestKeyTest.cpp b/security/keymint/aidl/vts/functional/AttestKeyTest.cpp
index 73c3820..0fdf48d 100644
--- a/security/keymint/aidl/vts/functional/AttestKeyTest.cpp
+++ b/security/keymint/aidl/vts/functional/AttestKeyTest.cpp
@@ -175,6 +175,24 @@
 }
 
 /*
+ * AttestKeyTest.RsaAttestKeyMultiPurposeFail
+ *
+ * This test attempts to create an RSA attestation key that also allows signing.
+ */
+TEST_P(AttestKeyTest, RsaAttestKeyMultiPurposeFail) {
+    vector<uint8_t> attest_key_blob;
+    vector<KeyCharacteristics> attest_key_characteristics;
+    vector<Certificate> attest_key_cert_chain;
+    ASSERT_EQ(ErrorCode::INCOMPATIBLE_PURPOSE,
+              GenerateKey(AuthorizationSetBuilder()
+                                  .RsaSigningKey(2048, 65537)
+                                  .AttestKey()
+                                  .SetDefaultValidity(),
+                          {} /* attestation signing key */, &attest_key_blob,
+                          &attest_key_characteristics, &attest_key_cert_chain));
+}
+
+/*
  * AttestKeyTest.RsaAttestedAttestKeys
  *
  * This test creates an RSA attestation key signed by factory keys, and varifies it can be
@@ -412,6 +430,24 @@
 }
 
 /*
+ * AttestKeyTest.EcAttestKeyMultiPurposeFail
+ *
+ * This test attempts to create an EC attestation key that also allows signing.
+ */
+TEST_P(AttestKeyTest, EcAttestKeyMultiPurposeFail) {
+    vector<uint8_t> attest_key_blob;
+    vector<KeyCharacteristics> attest_key_characteristics;
+    vector<Certificate> attest_key_cert_chain;
+    ASSERT_EQ(ErrorCode::INCOMPATIBLE_PURPOSE,
+              GenerateKey(AuthorizationSetBuilder()
+                                  .EcdsaSigningKey(EcCurve::P_256)
+                                  .AttestKey()
+                                  .SetDefaultValidity(),
+                          {} /* attestation signing key */, &attest_key_blob,
+                          &attest_key_characteristics, &attest_key_cert_chain));
+}
+
+/*
  * AttestKeyTest.AlternateAttestKeyChaining
  *
  * This test creates a chain of multiple attest keys, in the order Ec - RSA - Ec - RSA ....
diff --git a/security/keymint/aidl/vts/functional/KeyMintTest.cpp b/security/keymint/aidl/vts/functional/KeyMintTest.cpp
index d8b19dc..3f33686 100644
--- a/security/keymint/aidl/vts/functional/KeyMintTest.cpp
+++ b/security/keymint/aidl/vts/functional/KeyMintTest.cpp
@@ -3352,6 +3352,26 @@
 }
 
 /*
+ * ImportKeyTest.RsaAttestMultiPurposeFail
+ *
+ * Verifies that importing an RSA key pair with purpose ATTEST_KEY+SIGN fails.
+ */
+TEST_P(ImportKeyTest, RsaAttestMultiPurposeFail) {
+    uint32_t key_size = 2048;
+    string key = rsa_2048_key;
+
+    ASSERT_EQ(ErrorCode::INCOMPATIBLE_PURPOSE,
+              ImportKey(AuthorizationSetBuilder()
+                                .Authorization(TAG_NO_AUTH_REQUIRED)
+                                .RsaSigningKey(key_size, 65537)
+                                .AttestKey()
+                                .Digest(Digest::SHA_2_256)
+                                .Padding(PaddingMode::RSA_PSS)
+                                .SetDefaultValidity(),
+                        KeyFormat::PKCS8, key));
+}
+
+/*
  * ImportKeyTest.EcdsaSuccess
  *
  * Verifies that importing and using an ECDSA P-256 key pair works correctly.
@@ -3470,6 +3490,22 @@
 }
 
 /*
+ * ImportKeyTest.EcdsaAttestMultiPurposeFail
+ *
+ * Verifies that importing and using an ECDSA P-256 key pair with purpose ATTEST_KEY+SIGN fails.
+ */
+TEST_P(ImportKeyTest, EcdsaAttestMultiPurposeFail) {
+    ASSERT_EQ(ErrorCode::INCOMPATIBLE_PURPOSE,
+              ImportKey(AuthorizationSetBuilder()
+                                .Authorization(TAG_NO_AUTH_REQUIRED)
+                                .EcdsaSigningKey(EcCurve::P_256)
+                                .AttestKey()
+                                .Digest(Digest::SHA_2_256)
+                                .SetDefaultValidity(),
+                        KeyFormat::PKCS8, ec_256_key));
+}
+
+/*
  * ImportKeyTest.AesSuccess
  *
  * Verifies that importing and using an AES key works.
@@ -6661,7 +6697,7 @@
 
 typedef KeyMintAidlTestBase KeyAgreementTest;
 
-int CurveToOpenSslCurveName(EcCurve curve) {
+static int EcdhCurveToOpenSslCurveName(EcCurve curve) {
     switch (curve) {
         case EcCurve::P_224:
             return NID_secp224r1;
@@ -6671,6 +6707,8 @@
             return NID_secp384r1;
         case EcCurve::P_521:
             return NID_secp521r1;
+        case EcCurve::CURVE_25519:
+            return NID_X25519;
     }
 }
 
@@ -6692,7 +6730,7 @@
         for (auto localCurve : ValidCurves()) {
             // Generate EC key locally (with access to private key material)
             auto ecKey = EC_KEY_Ptr(EC_KEY_new());
-            int curveName = CurveToOpenSslCurveName(localCurve);
+            int curveName = EcdhCurveToOpenSslCurveName(localCurve);
             auto group = EC_GROUP_Ptr(EC_GROUP_new_by_curve_name(curveName));
             ASSERT_NE(group, nullptr);
             ASSERT_EQ(EC_KEY_set_group(ecKey.get(), group.get()), 1);
diff --git a/tv/tuner/aidl/aidl_api/android.hardware.tv.tuner/current/android/hardware/tv/tuner/DemuxFilterDownloadEvent.aidl b/tv/tuner/aidl/aidl_api/android.hardware.tv.tuner/current/android/hardware/tv/tuner/DemuxFilterDownloadEvent.aidl
index b51e633..8a05dbd 100644
--- a/tv/tuner/aidl/aidl_api/android.hardware.tv.tuner/current/android/hardware/tv/tuner/DemuxFilterDownloadEvent.aidl
+++ b/tv/tuner/aidl/aidl_api/android.hardware.tv.tuner/current/android/hardware/tv/tuner/DemuxFilterDownloadEvent.aidl
@@ -36,6 +36,7 @@
 @VintfStability
 parcelable DemuxFilterDownloadEvent {
   int itemId;
+  int downloadId;
   int mpuSequenceNumber;
   int itemFragmentIndex;
   int lastItemFragmentIndex;
diff --git a/tv/tuner/aidl/aidl_api/android.hardware.tv.tuner/current/android/hardware/tv/tuner/DemuxFilterDownloadSettings.aidl b/tv/tuner/aidl/aidl_api/android.hardware.tv.tuner/current/android/hardware/tv/tuner/DemuxFilterDownloadSettings.aidl
index ff06888..86ce646 100644
--- a/tv/tuner/aidl/aidl_api/android.hardware.tv.tuner/current/android/hardware/tv/tuner/DemuxFilterDownloadSettings.aidl
+++ b/tv/tuner/aidl/aidl_api/android.hardware.tv.tuner/current/android/hardware/tv/tuner/DemuxFilterDownloadSettings.aidl
@@ -35,5 +35,6 @@
 /* @hide */
 @VintfStability
 parcelable DemuxFilterDownloadSettings {
+  boolean useDownloadId;
   int downloadId;
 }
diff --git a/tv/tuner/aidl/aidl_api/android.hardware.tv.tuner/current/android/hardware/tv/tuner/DemuxFilterMediaEvent.aidl b/tv/tuner/aidl/aidl_api/android.hardware.tv.tuner/current/android/hardware/tv/tuner/DemuxFilterMediaEvent.aidl
index a463d68..993c639 100644
--- a/tv/tuner/aidl/aidl_api/android.hardware.tv.tuner/current/android/hardware/tv/tuner/DemuxFilterMediaEvent.aidl
+++ b/tv/tuner/aidl/aidl_api/android.hardware.tv.tuner/current/android/hardware/tv/tuner/DemuxFilterMediaEvent.aidl
@@ -38,6 +38,8 @@
   int streamId;
   boolean isPtsPresent;
   long pts;
+  boolean isDtsPresent;
+  long dts;
   long dataLength;
   long offset;
   android.hardware.common.NativeHandle avMemory;
diff --git a/tv/tuner/aidl/aidl_api/android.hardware.tv.tuner/current/android/hardware/tv/tuner/DemuxFilterSectionEvent.aidl b/tv/tuner/aidl/aidl_api/android.hardware.tv.tuner/current/android/hardware/tv/tuner/DemuxFilterSectionEvent.aidl
index 01b8a77..199a09c 100644
--- a/tv/tuner/aidl/aidl_api/android.hardware.tv.tuner/current/android/hardware/tv/tuner/DemuxFilterSectionEvent.aidl
+++ b/tv/tuner/aidl/aidl_api/android.hardware.tv.tuner/current/android/hardware/tv/tuner/DemuxFilterSectionEvent.aidl
@@ -38,5 +38,5 @@
   int tableId;
   int version;
   int sectionNum;
-  int dataLength;
+  long dataLength;
 }
diff --git a/tv/tuner/aidl/aidl_api/android.hardware.tv.tuner/current/android/hardware/tv/tuner/FrontendStatus.aidl b/tv/tuner/aidl/aidl_api/android.hardware.tv.tuner/current/android/hardware/tv/tuner/FrontendStatus.aidl
index 7677221..c79b751 100644
--- a/tv/tuner/aidl/aidl_api/android.hardware.tv.tuner/current/android/hardware/tv/tuner/FrontendStatus.aidl
+++ b/tv/tuner/aidl/aidl_api/android.hardware.tv.tuner/current/android/hardware/tv/tuner/FrontendStatus.aidl
@@ -74,4 +74,5 @@
   boolean isShortFrames;
   android.hardware.tv.tuner.FrontendIsdbtMode isdbtMode;
   android.hardware.tv.tuner.FrontendIsdbtPartialReceptionFlag partialReceptionFlag;
+  int[] streamIdList;
 }
diff --git a/tv/tuner/aidl/aidl_api/android.hardware.tv.tuner/current/android/hardware/tv/tuner/FrontendStatusType.aidl b/tv/tuner/aidl/aidl_api/android.hardware.tv.tuner/current/android/hardware/tv/tuner/FrontendStatusType.aidl
index 6342479..9ea3200 100644
--- a/tv/tuner/aidl/aidl_api/android.hardware.tv.tuner/current/android/hardware/tv/tuner/FrontendStatusType.aidl
+++ b/tv/tuner/aidl/aidl_api/android.hardware.tv.tuner/current/android/hardware/tv/tuner/FrontendStatusType.aidl
@@ -74,4 +74,5 @@
   IS_SHORT_FRAMES = 36,
   ISDBT_MODE = 37,
   ISDBT_PARTIAL_RECEPTION_FLAG = 38,
+  STREAM_ID_LIST = 39,
 }
diff --git a/tv/tuner/aidl/android/hardware/tv/tuner/DemuxFilterDownloadEvent.aidl b/tv/tuner/aidl/android/hardware/tv/tuner/DemuxFilterDownloadEvent.aidl
index cf88928..b9df5a0 100644
--- a/tv/tuner/aidl/android/hardware/tv/tuner/DemuxFilterDownloadEvent.aidl
+++ b/tv/tuner/aidl/android/hardware/tv/tuner/DemuxFilterDownloadEvent.aidl
@@ -28,6 +28,11 @@
     int itemId;
 
     /**
+     * Uniquely identify data content within the same Package ID (PID).
+     */
+    int downloadId;
+
+    /**
      * MPU sequence number of filtered data (only for MMTP)
      */
     int mpuSequenceNumber;
diff --git a/tv/tuner/aidl/android/hardware/tv/tuner/DemuxFilterDownloadSettings.aidl b/tv/tuner/aidl/android/hardware/tv/tuner/DemuxFilterDownloadSettings.aidl
index bd79bd5..1188b03 100644
--- a/tv/tuner/aidl/android/hardware/tv/tuner/DemuxFilterDownloadSettings.aidl
+++ b/tv/tuner/aidl/android/hardware/tv/tuner/DemuxFilterDownloadSettings.aidl
@@ -23,6 +23,11 @@
 @VintfStability
 parcelable DemuxFilterDownloadSettings {
     /**
+     * Whether download ID should be used.
+     */
+    boolean useDownloadId;
+
+    /**
      * Download ID (also known as the carousel ID) is carried in the PMT in
      * ISO/IEC 13818-1 for the service containing the object carousel.
      */
diff --git a/tv/tuner/aidl/android/hardware/tv/tuner/DemuxFilterMediaEvent.aidl b/tv/tuner/aidl/android/hardware/tv/tuner/DemuxFilterMediaEvent.aidl
index ec7bbf1..e92b711 100644
--- a/tv/tuner/aidl/android/hardware/tv/tuner/DemuxFilterMediaEvent.aidl
+++ b/tv/tuner/aidl/android/hardware/tv/tuner/DemuxFilterMediaEvent.aidl
@@ -40,6 +40,16 @@
     long pts;
 
     /**
+     * true if DTS is present in the PES header.
+     */
+    boolean isDtsPresent;
+
+    /**
+     * Decode TimeStamp for audio or video frame.
+     */
+    long dts;
+
+    /**
      * Data size in bytes of audio or video frame
      */
     long dataLength;
diff --git a/tv/tuner/aidl/android/hardware/tv/tuner/DemuxFilterSectionEvent.aidl b/tv/tuner/aidl/android/hardware/tv/tuner/DemuxFilterSectionEvent.aidl
index d666316..a5f9ca7 100644
--- a/tv/tuner/aidl/android/hardware/tv/tuner/DemuxFilterSectionEvent.aidl
+++ b/tv/tuner/aidl/android/hardware/tv/tuner/DemuxFilterSectionEvent.aidl
@@ -40,5 +40,5 @@
     /**
      * Data size in bytes of filtered data
      */
-    int dataLength;
+    long dataLength;
 }
diff --git a/tv/tuner/aidl/android/hardware/tv/tuner/DemuxFilterStatus.aidl b/tv/tuner/aidl/android/hardware/tv/tuner/DemuxFilterStatus.aidl
index f07c26f..e6f3b63 100644
--- a/tv/tuner/aidl/android/hardware/tv/tuner/DemuxFilterStatus.aidl
+++ b/tv/tuner/aidl/android/hardware/tv/tuner/DemuxFilterStatus.aidl
@@ -24,7 +24,8 @@
 @Backing(type="byte")
 enum DemuxFilterStatus {
     /**
-     * The data in the filter buffer is ready to be read.
+     * The data in the filter buffer is ready to be read. It can also be used to know the STC
+     * (System Time Clock) ready status if it's PCR filter.
      */
     DATA_READY = 1 << 0,
 
diff --git a/tv/tuner/aidl/android/hardware/tv/tuner/FrontendEventType.aidl b/tv/tuner/aidl/android/hardware/tv/tuner/FrontendEventType.aidl
index 40b5161..501dc1f 100644
--- a/tv/tuner/aidl/android/hardware/tv/tuner/FrontendEventType.aidl
+++ b/tv/tuner/aidl/android/hardware/tv/tuner/FrontendEventType.aidl
@@ -24,7 +24,9 @@
 @Backing(type="int")
 enum FrontendEventType {
     /**
-     * The frontend has locked to the signal specified by the tune method.
+     * The frontend has locked to the signal specified by the tune method. It can also be notified
+     * after signal is locked if the signal attributes transmission parameter of the signal is
+     * changed (e.g., Modulation).
      */
     LOCKED,
 
diff --git a/tv/tuner/aidl/android/hardware/tv/tuner/FrontendStatus.aidl b/tv/tuner/aidl/android/hardware/tv/tuner/FrontendStatus.aidl
index 9302b76..6e6f315 100644
--- a/tv/tuner/aidl/android/hardware/tv/tuner/FrontendStatus.aidl
+++ b/tv/tuner/aidl/android/hardware/tv/tuner/FrontendStatus.aidl
@@ -91,11 +91,19 @@
 
     /**
      * AGC value is normalized from 0 to 255.
+     * Larger AGC values indicate it is applying more gain.
      */
     int agc;
 
     boolean isLnaOn;
 
+    /**
+     * Layer Error status.
+     *
+     * The order of the vectors is in ascending order of the required CNR (Contrast-to-noise ratio).
+     * The most robust layer is the first. For example, in ISDB-T, isLayerError[0] is the
+     * information of layer A. isLayerError[1] is the information of layer B.
+     */
     boolean[] isLayerError;
 
     /**
@@ -119,16 +127,28 @@
 
     /**
      * Modulation status.
+     *
+     * The order of the vectors is in ascending order of the required CNR (Contrast-to-noise ratio).
+     * The most robust layer is the first. For example, in ISDB-T, modulations[0] is the information
+     * of layer A. modulations[1] is the information of layer B.
      */
     FrontendModulation[] modulations;
 
     /**
      * Bit error ratio status.
+     *
+     * The order of the vectors is in ascending order of the required CNR (Contrast-to-noise ratio).
+     * The most robust layer is the first. For example, in ISDB-T, bers[0] is the information of
+     * layer A. bers[1] is the information of layer B.
      */
     int[] bers;
 
     /**
      * Code rate status.
+     *
+     * The order of the vectors is in ascending order of the required CN. The most robust layer is
+     * the first. For example, in ISDB-T, codeRates[0] is the information of layer A. codeRates[1]
+     * is the information of layer B.
      */
     FrontendInnerFec[] codeRates;
 
@@ -160,11 +180,19 @@
 
     /**
      * Frontend Interleaving Modes.
+     *
+     * The order of the vectors is in ascending order of the required CNR (Contrast-to-noise ratio).
+     * The most robust layer is the first. For example, in ISDB-T, interleaving[0] is the
+     * information of layer A. interleaving[1] is the information of layer B.
      */
     FrontendInterleaveMode[] interleaving;
 
     /**
      * Segments in ISDB-T Specification of all the channels.
+     *
+     * The order of the vectors is in ascending order of the required CNR (Contrast-to-noise ratio).
+     * The most robust layer is the first. For example, in ISDB-T, isdbtSegment[0] is the
+     * information of layer A. isdbtSegment[1] is the information of layer B.
      */
     int[] isdbtSegment;
 
@@ -202,4 +230,10 @@
      * ISDB-T Partial Reception Flag.
      */
     FrontendIsdbtPartialReceptionFlag partialReceptionFlag;
+
+    /**
+     * Stream ID list included in a transponder.
+     */
+    int[] streamIdList;
+
 }
diff --git a/tv/tuner/aidl/android/hardware/tv/tuner/FrontendStatusType.aidl b/tv/tuner/aidl/android/hardware/tv/tuner/FrontendStatusType.aidl
index 103a4ab..7feb72d 100644
--- a/tv/tuner/aidl/android/hardware/tv/tuner/FrontendStatusType.aidl
+++ b/tv/tuner/aidl/android/hardware/tv/tuner/FrontendStatusType.aidl
@@ -218,4 +218,9 @@
      * ISDB-T Partial Reception Flag.
      */
     ISDBT_PARTIAL_RECEPTION_FLAG,
+
+    /**
+     * Stream ID list included in a transponder.
+     */
+   STREAM_ID_LIST,
 }
diff --git a/tv/tuner/aidl/default/Demux.cpp b/tv/tuner/aidl/default/Demux.cpp
index 4385461..a94b4ad 100644
--- a/tv/tuner/aidl/default/Demux.cpp
+++ b/tv/tuner/aidl/default/Demux.cpp
@@ -410,6 +410,37 @@
     return mIsRecording;
 }
 
+binder_status_t Demux::dump(int fd, const char** args, uint32_t numArgs) {
+    dprintf(fd, " Demux %d:\n", mDemuxId);
+    dprintf(fd, "  mIsRecording %d\n", mIsRecording);
+    {
+        dprintf(fd, "  Filters:\n");
+        map<int64_t, std::shared_ptr<Filter>>::iterator it;
+        for (it = mFilters.begin(); it != mFilters.end(); it++) {
+            it->second->dump(fd, args, numArgs);
+        }
+    }
+    {
+        dprintf(fd, "  TimeFilter:\n");
+        if (mTimeFilter != nullptr) {
+            mTimeFilter->dump(fd, args, numArgs);
+        }
+    }
+    {
+        dprintf(fd, "  DvrPlayback:\n");
+        if (mDvrPlayback != nullptr) {
+            mDvrPlayback->dump(fd, args, numArgs);
+        }
+    }
+    {
+        dprintf(fd, "  DvrRecord:\n");
+        if (mDvrRecord != nullptr) {
+            mDvrRecord->dump(fd, args, numArgs);
+        }
+    }
+    return STATUS_OK;
+}
+
 bool Demux::attachRecordFilter(int64_t filterId) {
     if (mFilters[filterId] == nullptr || mDvrRecord == nullptr ||
         !mFilters[filterId]->isRecordFilter()) {
diff --git a/tv/tuner/aidl/default/Demux.h b/tv/tuner/aidl/default/Demux.h
index 1b789bd..7f0b0a7 100644
--- a/tv/tuner/aidl/default/Demux.h
+++ b/tv/tuner/aidl/default/Demux.h
@@ -71,6 +71,8 @@
     ::ndk::ScopedAStatus connectCiCam(int32_t in_ciCamId) override;
     ::ndk::ScopedAStatus disconnectCiCam() override;
 
+    binder_status_t dump(int fd, const char** args, uint32_t numArgs) override;
+
     // Functions interacts with Tuner Service
     void stopFrontendInput();
     ::ndk::ScopedAStatus removeFilter(int64_t filterId);
diff --git a/tv/tuner/aidl/default/Dvr.cpp b/tv/tuner/aidl/default/Dvr.cpp
index 4f34b8e..c591d07 100644
--- a/tv/tuner/aidl/default/Dvr.cpp
+++ b/tv/tuner/aidl/default/Dvr.cpp
@@ -177,6 +177,13 @@
     return mDvrEventFlag;
 }
 
+binder_status_t Dvr::dump(int fd, const char** /* args */, uint32_t /* numArgs */) {
+    dprintf(fd, "    Dvr:\n");
+    dprintf(fd, "      mType: %hhd\n", mType);
+    dprintf(fd, "      mDvrThreadRunning: %d\n", (bool)mDvrThreadRunning);
+    return STATUS_OK;
+}
+
 void Dvr::playbackThreadLoop() {
     ALOGD("[Dvr] playback threadLoop start.");
 
diff --git a/tv/tuner/aidl/default/Dvr.h b/tv/tuner/aidl/default/Dvr.h
index ad8728e..6ff71cd 100644
--- a/tv/tuner/aidl/default/Dvr.h
+++ b/tv/tuner/aidl/default/Dvr.h
@@ -71,6 +71,8 @@
     ::ndk::ScopedAStatus flush() override;
     ::ndk::ScopedAStatus close() override;
 
+    binder_status_t dump(int fd, const char** args, uint32_t numArgs) override;
+
     /**
      * To create a DvrMQ and its Event Flag.
      *
diff --git a/tv/tuner/aidl/default/Filter.cpp b/tv/tuner/aidl/default/Filter.cpp
index 54037be..769ebe2 100644
--- a/tv/tuner/aidl/default/Filter.cpp
+++ b/tv/tuner/aidl/default/Filter.cpp
@@ -22,6 +22,7 @@
 #include <aidl/android/hardware/tv/tuner/DemuxQueueNotifyBits.h>
 #include <aidl/android/hardware/tv/tuner/Result.h>
 #include <aidlcommonsupport/NativeHandle.h>
+#include <inttypes.h>
 #include <utils/Log.h>
 
 #include "Filter.h"
@@ -655,6 +656,17 @@
     mSharedAvMemHandle = nullptr;
 }
 
+binder_status_t Filter::dump(int fd, const char** /* args */, uint32_t /* numArgs */) {
+    dprintf(fd, "    Filter %" PRIu64 ":\n", mFilterId);
+    dprintf(fd, "      Main type: %d\n", mType.mainType);
+    dprintf(fd, "      mIsMediaFilter: %d\n", mIsMediaFilter);
+    dprintf(fd, "      mIsPcrFilter: %d\n", mIsPcrFilter);
+    dprintf(fd, "      mIsRecordFilter: %d\n", mIsRecordFilter);
+    dprintf(fd, "      mIsUsingFMQ: %d\n", mIsUsingFMQ);
+    dprintf(fd, "      mFilterThreadRunning: %d\n", (bool)mFilterThreadRunning);
+    return STATUS_OK;
+}
+
 void Filter::maySendFilterStatusCallback() {
     if (!mIsUsingFMQ) {
         return;
@@ -1148,6 +1160,7 @@
     DemuxFilterMediaEvent mediaEvent;
     mediaEvent.streamId = 1;
     mediaEvent.isPtsPresent = true;
+    mediaEvent.isDtsPresent = false;
     mediaEvent.dataLength = 3;
     mediaEvent.offset = 4;
     mediaEvent.isSecureMemory = true;
@@ -1238,6 +1251,7 @@
 void Filter::createDownloadEvent(vector<DemuxFilterEvent>& events) {
     DemuxFilterDownloadEvent download;
     download.itemId = 1;
+    download.downloadId = 1;
     download.mpuSequenceNumber = 2;
     download.itemFragmentIndex = 3;
     download.lastItemFragmentIndex = 4;
diff --git a/tv/tuner/aidl/default/Filter.h b/tv/tuner/aidl/default/Filter.h
index 8388c98..e301249 100644
--- a/tv/tuner/aidl/default/Filter.h
+++ b/tv/tuner/aidl/default/Filter.h
@@ -126,6 +126,8 @@
     ::ndk::ScopedAStatus setDataSource(const std::shared_ptr<IFilter>& in_filter) override;
     ::ndk::ScopedAStatus setDelayHint(const FilterDelayHint& in_hint) override;
 
+    binder_status_t dump(int fd, const char** args, uint32_t numArgs) override;
+
     /**
      * To create a FilterMQ and its Event Flag.
      *
diff --git a/tv/tuner/aidl/default/Frontend.cpp b/tv/tuner/aidl/default/Frontend.cpp
index 77d20e2..a4dde2a 100644
--- a/tv/tuner/aidl/default/Frontend.cpp
+++ b/tv/tuner/aidl/default/Frontend.cpp
@@ -676,6 +676,11 @@
                         FrontendIsdbtPartialReceptionFlag::AUTO);
                 break;
             }
+            case FrontendStatusType::STREAM_ID_LIST: {
+                vector<int32_t> streamIds = {0, 1};
+                status.set<FrontendStatus::streamIdList>(streamIds);
+                break;
+            }
             default: {
                 continue;
             }
@@ -718,6 +723,14 @@
     return ::ndk::ScopedAStatus::ok();
 }
 
+binder_status_t Frontend::dump(int fd, const char** /* args */, uint32_t /* numArgs */) {
+    dprintf(fd, "  Frontend %d\n", mId);
+    dprintf(fd, "    mType: %d\n", mType);
+    dprintf(fd, "    mIsLocked: %d\n", mIsLocked);
+    dprintf(fd, "    mCiCamId: %d\n", mCiCamId);
+    return STATUS_OK;
+}
+
 FrontendType Frontend::getFrontendType() {
     return mType;
 }
diff --git a/tv/tuner/aidl/default/Frontend.h b/tv/tuner/aidl/default/Frontend.h
index 3c602cf..5e7b10c 100644
--- a/tv/tuner/aidl/default/Frontend.h
+++ b/tv/tuner/aidl/default/Frontend.h
@@ -50,6 +50,8 @@
     ::ndk::ScopedAStatus linkCiCam(int32_t in_ciCamId, int32_t* _aidl_return) override;
     ::ndk::ScopedAStatus unlinkCiCam(int32_t in_ciCamId) override;
 
+    binder_status_t dump(int fd, const char** args, uint32_t numArgs) override;
+
     FrontendType getFrontendType();
     int32_t getFrontendId();
     string getSourceFile();
diff --git a/tv/tuner/aidl/default/TimeFilter.cpp b/tv/tuner/aidl/default/TimeFilter.cpp
index dde7be3..9611ed9 100644
--- a/tv/tuner/aidl/default/TimeFilter.cpp
+++ b/tv/tuner/aidl/default/TimeFilter.cpp
@@ -83,6 +83,12 @@
     return ::ndk::ScopedAStatus::ok();
 }
 
+binder_status_t TimeFilter::dump(int fd, const char** /* args */, uint32_t /* numArgs */) {
+    dprintf(fd, "    TimeFilter:\n");
+    dprintf(fd, "      mTimeStamp: %" PRIu64 "\n", mTimeStamp);
+    return STATUS_OK;
+}
+
 }  // namespace tuner
 }  // namespace tv
 }  // namespace hardware
diff --git a/tv/tuner/aidl/default/TimeFilter.h b/tv/tuner/aidl/default/TimeFilter.h
index ff35c47..5f4c2d4 100644
--- a/tv/tuner/aidl/default/TimeFilter.h
+++ b/tv/tuner/aidl/default/TimeFilter.h
@@ -44,8 +44,10 @@
     ::ndk::ScopedAStatus getSourceTime(int64_t* _aidl_return) override;
     ::ndk::ScopedAStatus close() override;
 
+    binder_status_t dump(int fd, const char** args, uint32_t numArgs) override;
+
   private:
-    std::shared_ptr<Demux> mDemux;
+    ::std::shared_ptr<Demux> mDemux;
     uint64_t mTimeStamp = INVALID_TIME_STAMP;
     time_t mBeginTime;
 };
diff --git a/tv/tuner/aidl/default/Tuner.cpp b/tv/tuner/aidl/default/Tuner.cpp
index badb08f..96e83bb 100644
--- a/tv/tuner/aidl/default/Tuner.cpp
+++ b/tv/tuner/aidl/default/Tuner.cpp
@@ -55,9 +55,13 @@
     capsIsdbs.set<FrontendCapabilities::Tag::isdbsCaps>(FrontendIsdbsCapabilities());
     mFrontendCaps[0] = capsIsdbs;
     statusCaps = {
-            FrontendStatusType::DEMOD_LOCK,  FrontendStatusType::SNR,
-            FrontendStatusType::FEC,         FrontendStatusType::MODULATION,
-            FrontendStatusType::MODULATIONS, FrontendStatusType::ROLL_OFF,
+            FrontendStatusType::DEMOD_LOCK,
+            FrontendStatusType::SNR,
+            FrontendStatusType::FEC,
+            FrontendStatusType::MODULATION,
+            FrontendStatusType::MODULATIONS,
+            FrontendStatusType::ROLL_OFF,
+            FrontendStatusType::STREAM_ID_LIST,
     };
     mFrontendStatusCaps[0] = statusCaps;
 
@@ -169,7 +173,7 @@
     statusCaps = {
             FrontendStatusType::DEMOD_LOCK,      FrontendStatusType::MODULATION,
             FrontendStatusType::MODULATIONS,     FrontendStatusType::ROLL_OFF,
-            FrontendStatusType::IS_SHORT_FRAMES,
+            FrontendStatusType::IS_SHORT_FRAMES, FrontendStatusType::STREAM_ID_LIST,
     };
     mFrontendStatusCaps[8] = statusCaps;
 
@@ -313,6 +317,33 @@
     return ::ndk::ScopedAStatus::ok();
 }
 
+binder_status_t Tuner::dump(int fd, const char** args, uint32_t numArgs) {
+    ALOGV("%s", __FUNCTION__);
+    {
+        dprintf(fd, "Frontends:\n");
+        for (int i = 0; i < mFrontendSize; i++) {
+            mFrontends[i]->dump(fd, args, numArgs);
+            for (int j = 0; j < mFrontendStatusCaps[i].size(); j++) {
+                dprintf(fd, "    statusCap: %d\n", mFrontendStatusCaps[i][j]);
+            }
+        }
+    }
+    {
+        dprintf(fd, "Demuxs:\n");
+        map<int32_t, std::shared_ptr<Demux>>::iterator it;
+        for (it = mDemuxes.begin(); it != mDemuxes.end(); it++) {
+            it->second->dump(fd, args, numArgs);
+        }
+    }
+    {
+        dprintf(fd, "Lnbs:\n");
+        for (int i = 0; i < mLnbs.size(); i++) {
+            mLnbs[i]->dump(fd, args, numArgs);
+        }
+    }
+    return STATUS_OK;
+}
+
 void Tuner::setFrontendAsDemuxSource(int32_t frontendId, int32_t demuxId) {
     mFrontendToDemux[frontendId] = demuxId;
     if (mFrontends[frontendId] != nullptr && mFrontends[frontendId]->isLocked()) {
@@ -332,6 +363,10 @@
 }
 
 void Tuner::removeFrontend(int32_t frontendId) {
+    map<int32_t, int32_t>::iterator it = mFrontendToDemux.find(frontendId);
+    if (it != mFrontendToDemux.end()) {
+        mDemuxes.erase(it->second);
+    }
     mFrontendToDemux.erase(frontendId);
 }
 
diff --git a/tv/tuner/aidl/default/Tuner.h b/tv/tuner/aidl/default/Tuner.h
index 7af7ab8..682496c 100644
--- a/tv/tuner/aidl/default/Tuner.h
+++ b/tv/tuner/aidl/default/Tuner.h
@@ -57,6 +57,8 @@
                                        std::vector<int32_t>* out_lnbId,
                                        std::shared_ptr<ILnb>* _aidl_return) override;
 
+    binder_status_t dump(int fd, const char** args, uint32_t numArgs) override;
+
     std::shared_ptr<Frontend> getFrontendById(int32_t frontendId);
     void setFrontendAsDemuxSource(int32_t frontendId, int32_t demuxId);
     void frontendStartTune(int32_t frontendId);
diff --git a/tv/tuner/aidl/vts/functional/FrontendTests.cpp b/tv/tuner/aidl/vts/functional/FrontendTests.cpp
index 6204803..12b1f33 100644
--- a/tv/tuner/aidl/vts/functional/FrontendTests.cpp
+++ b/tv/tuner/aidl/vts/functional/FrontendTests.cpp
@@ -398,6 +398,13 @@
                             expectStatuses[i].get<FrontendStatus::Tag::partialReceptionFlag>());
                 break;
             }
+            case FrontendStatusType::STREAM_ID_LIST: {
+                ASSERT_TRUE(std::equal(
+                        realStatuses[i].get<FrontendStatus::Tag::streamIdList>().begin(),
+                        realStatuses[i].get<FrontendStatus::Tag::streamIdList>().end(),
+                        expectStatuses[i].get<FrontendStatus::Tag::streamIdList>().begin()));
+                break;
+            }
             default: {
                 continue;
             }
diff --git a/vibrator/aidl/default/main.cpp b/vibrator/aidl/default/main.cpp
index bd834d2..feba2c7 100644
--- a/vibrator/aidl/default/main.cpp
+++ b/vibrator/aidl/default/main.cpp
@@ -31,14 +31,14 @@
     auto vib = ndk::SharedRefBase::make<Vibrator>();
     const std::string vibName = std::string() + Vibrator::descriptor + "/default";
     binder_status_t status = AServiceManager_addService(vib->asBinder().get(), vibName.c_str());
-    CHECK(status == STATUS_OK);
+    CHECK_EQ(status, STATUS_OK);
 
     // make the vibrator manager service with a different vibrator
     auto managedVib = ndk::SharedRefBase::make<Vibrator>();
     auto vibManager = ndk::SharedRefBase::make<VibratorManager>(std::move(managedVib));
     const std::string vibManagerName = std::string() + VibratorManager::descriptor + "/default";
     status = AServiceManager_addService(vibManager->asBinder().get(), vibManagerName.c_str());
-    CHECK(status == STATUS_OK);
+    CHECK_EQ(status, STATUS_OK);
 
     ABinderProcess_joinThreadPool();
     return EXIT_FAILURE;  // should not reach
diff --git a/weaver/aidl/default/service.cpp b/weaver/aidl/default/service.cpp
index 1495bc9..2099ffd 100644
--- a/weaver/aidl/default/service.cpp
+++ b/weaver/aidl/default/service.cpp
@@ -28,7 +28,7 @@
 
     const std::string instance = std::string() + Weaver::descriptor + "/default";
     binder_status_t status = AServiceManager_addService(weaver->asBinder().get(), instance.c_str());
-    CHECK(status == STATUS_OK);
+    CHECK_EQ(status, STATUS_OK);
 
     ABinderProcess_joinThreadPool();
     return -1; // Should never be reached