diff --git a/camera/Camera.cpp b/camera/Camera.cpp
index c6c35ef..19849f8 100644
--- a/camera/Camera.cpp
+++ b/camera/Camera.cpp
@@ -347,6 +347,13 @@
     return c->setPreviewCallbackTarget(callbackProducer);
 }
 
+int32_t Camera::setAudioRestriction(int32_t mode)
+{
+    sp <::android::hardware::ICamera> c = mCamera;
+    if (c == 0) return NO_INIT;
+    return c->setAudioRestriction(mode);
+}
+
 // callback from camera service
 void Camera::notifyCallback(int32_t msgType, int32_t ext1, int32_t ext2)
 {
diff --git a/camera/ICamera.cpp b/camera/ICamera.cpp
index f0945c7..060e8e0 100644
--- a/camera/ICamera.cpp
+++ b/camera/ICamera.cpp
@@ -56,6 +56,7 @@
     SET_VIDEO_BUFFER_TARGET,
     RELEASE_RECORDING_FRAME_HANDLE,
     RELEASE_RECORDING_FRAME_HANDLE_BATCH,
+    SET_AUDIO_RESTRICTION,
 };
 
 class BpCamera: public BpInterface<ICamera>
@@ -191,6 +192,14 @@
         }
     }
 
+    int32_t setAudioRestriction(int32_t mode) {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+        data.writeInt32(mode);
+        remote()->transact(SET_AUDIO_RESTRICTION, data, &reply);
+        return reply.readInt32();
+    }
+
     status_t setVideoBufferMode(int32_t videoBufferMode)
     {
         ALOGV("setVideoBufferMode: %d", videoBufferMode);
@@ -494,6 +503,12 @@
             reply->writeInt32(setVideoTarget(st));
             return NO_ERROR;
         } break;
+        case SET_AUDIO_RESTRICTION: {
+            CHECK_INTERFACE(ICamera, data, reply);
+            int32_t mode = data.readInt32();
+            reply->writeInt32(setAudioRestriction(mode));
+            return NO_ERROR;
+        } break;
         default:
             return BBinder::onTransact(code, data, reply, flags);
     }
diff --git a/camera/aidl/android/hardware/camera2/ICameraDeviceUser.aidl b/camera/aidl/android/hardware/camera2/ICameraDeviceUser.aidl
index 49dfde8..5987b42 100644
--- a/camera/aidl/android/hardware/camera2/ICameraDeviceUser.aidl
+++ b/camera/aidl/android/hardware/camera2/ICameraDeviceUser.aidl
@@ -155,4 +155,20 @@
     void updateOutputConfiguration(int streamId, in OutputConfiguration outputConfiguration);
 
     void finalizeOutputConfigurations(int streamId, in OutputConfiguration outputConfiguration);
+
+
+    // Keep in sync with public API in
+    // frameworks/base/core/java/android/hardware/camera2/CameraDevice.java
+    const int AUDIO_RESTRICTION_NONE = 0;
+    const int AUDIO_RESTRICTION_VIBRATION = 1;
+    const int AUDIO_RESTRICTION_VIBRATION_SOUND = 3;
+
+    /**
+      * Set audio restriction mode for this camera device.
+      *
+      * @param mode the audio restriction mode ID as above
+      *
+      * @return the resulting system-wide audio restriction mode
+      */
+    int setCameraAudioRestriction(int mode);
 }
diff --git a/camera/include/camera/Camera.h b/camera/include/camera/Camera.h
index 430aa1c..9800bb7 100644
--- a/camera/include/camera/Camera.h
+++ b/camera/include/camera/Camera.h
@@ -167,6 +167,8 @@
 
             sp<ICameraRecordingProxy> getRecordingProxy();
 
+            int32_t      setAudioRestriction(int32_t mode);
+
     // ICameraClient interface
     virtual void        notifyCallback(int32_t msgType, int32_t ext, int32_t ext2);
     virtual void        dataCallback(int32_t msgType, const sp<IMemory>& dataPtr,
diff --git a/camera/include/camera/android/hardware/ICamera.h b/camera/include/camera/android/hardware/ICamera.h
index 80823d6..eba9efe 100644
--- a/camera/include/camera/android/hardware/ICamera.h
+++ b/camera/include/camera/android/hardware/ICamera.h
@@ -140,6 +140,9 @@
     // Set the video buffer producer for camera to use in VIDEO_BUFFER_MODE_BUFFER_QUEUE mode.
     virtual status_t        setVideoTarget(
             const sp<IGraphicBufferProducer>& bufferProducer) = 0;
+
+    // Set the audio restriction mode
+    virtual int32_t         setAudioRestriction(int32_t mode) = 0;
 };
 
 // ----------------------------------------------------------------------------
diff --git a/services/camera/libcameraservice/CameraService.cpp b/services/camera/libcameraservice/CameraService.cpp
index 9a91ea0..9ba6553 100644
--- a/services/camera/libcameraservice/CameraService.cpp
+++ b/services/camera/libcameraservice/CameraService.cpp
@@ -135,7 +135,8 @@
 CameraService::CameraService() :
         mEventLog(DEFAULT_EVENT_LOG_LENGTH),
         mNumberOfCameras(0),
-        mSoundRef(0), mInitialized(false) {
+        mSoundRef(0), mInitialized(false),
+        mAudioRestriction(hardware::camera2::ICameraDeviceUser::AUDIO_RESTRICTION_NONE) {
     ALOGI("CameraService started (pid=%d)", getpid());
     mServiceLockWrapper = std::make_shared<WaitableMutexWrapper>(&mServiceLock);
 }
@@ -164,6 +165,7 @@
     mUidPolicy->registerSelf();
     mSensorPrivacyPolicy = new SensorPrivacyPolicy(this);
     mSensorPrivacyPolicy->registerSelf();
+    mAppOps.setCameraAudioRestriction(mAudioRestriction);
     sp<HidlCameraService> hcs = HidlCameraService::getInstance(this);
     if (hcs->registerAsService() != android::OK) {
         ALOGE("%s: Failed to register default android.frameworks.cameraservice.service@1.0",
@@ -2027,6 +2029,7 @@
             mActiveClientManager.remove(i);
         }
     }
+    updateAudioRestrictionLocked();
 }
 
 bool CameraService::evictClientIdByRemote(const wp<IBinder>& remote) {
@@ -2400,6 +2403,7 @@
         mClientPackageName(clientPackageName), mClientPid(clientPid), mClientUid(clientUid),
         mServicePid(servicePid),
         mDisconnected(false),
+        mAudioRestriction(hardware::camera2::ICameraDeviceUser::AUDIO_RESTRICTION_NONE),
         mRemoteBinder(remoteCallback)
 {
     if (sCameraService == nullptr) {
@@ -2503,6 +2507,30 @@
     return level == API_2;
 }
 
+int32_t CameraService::BasicClient::setAudioRestriction(int32_t mode) {
+    {
+        Mutex::Autolock l(mAudioRestrictionLock);
+        mAudioRestriction = mode;
+    }
+    return sCameraService->updateAudioRestriction();
+}
+
+int32_t CameraService::BasicClient::getAudioRestriction() const {
+    Mutex::Autolock l(mAudioRestrictionLock);
+    return mAudioRestriction;
+}
+
+bool CameraService::BasicClient::isValidAudioRestriction(int32_t mode) {
+    switch (mode) {
+        case hardware::camera2::ICameraDeviceUser::AUDIO_RESTRICTION_NONE:
+        case hardware::camera2::ICameraDeviceUser::AUDIO_RESTRICTION_VIBRATION:
+        case hardware::camera2::ICameraDeviceUser::AUDIO_RESTRICTION_VIBRATION_SOUND:
+            return true;
+        default:
+            return false;
+    }
+}
+
 status_t CameraService::BasicClient::startCameraOps() {
     ATRACE_CALL();
 
@@ -3532,4 +3560,25 @@
         "  help print this message\n");
 }
 
+int32_t CameraService::updateAudioRestriction() {
+    Mutex::Autolock lock(mServiceLock);
+    return updateAudioRestrictionLocked();
+}
+
+int32_t CameraService::updateAudioRestrictionLocked() {
+    int32_t mode = 0;
+    // iterate through all active client
+    for (const auto& i : mActiveClientManager.getAll()) {
+        const auto clientSp = i->getValue();
+        mode |= clientSp->getAudioRestriction();
+    }
+
+    bool modeChanged = (mAudioRestriction != mode);
+    mAudioRestriction = mode;
+    if (modeChanged) {
+        mAppOps.setCameraAudioRestriction(mode);
+    }
+    return mode;
+}
+
 }; // namespace android
diff --git a/services/camera/libcameraservice/CameraService.h b/services/camera/libcameraservice/CameraService.h
index 67829dd..df8c17c 100644
--- a/services/camera/libcameraservice/CameraService.h
+++ b/services/camera/libcameraservice/CameraService.h
@@ -258,6 +258,14 @@
 
         // Block the client form using the camera
         virtual void block();
+
+        // set audio restriction from client
+        // Will call into camera service and hold mServiceLock
+        virtual int32_t setAudioRestriction(int32_t mode);
+
+        virtual int32_t getAudioRestriction() const;
+
+        static bool isValidAudioRestriction(int32_t mode);
     protected:
         BasicClient(const sp<CameraService>& cameraService,
                 const sp<IBinder>& remoteCallback,
@@ -286,6 +294,9 @@
         const pid_t                     mServicePid;
         bool                            mDisconnected;
 
+        mutable Mutex                   mAudioRestrictionLock;
+        int32_t                         mAudioRestriction;
+
         // - The app-side Binder interface to receive callbacks from us
         sp<IBinder>                     mRemoteBinder;   // immutable after constructor
 
@@ -439,6 +450,9 @@
 
     }; // class CameraClientManager
 
+    int32_t updateAudioRestriction();
+    int32_t updateAudioRestrictionLocked();
+
 private:
 
     typedef hardware::camera::common::V1_0::CameraDeviceStatus CameraDeviceStatus;
@@ -966,6 +980,13 @@
 
     void broadcastTorchModeStatus(const String8& cameraId,
             hardware::camera::common::V1_0::TorchModeStatus status);
+
+    // TODO: right now each BasicClient holds one AppOpsManager instance.
+    // We can refactor the code so all of clients share this instance
+    AppOpsManager mAppOps;
+
+    // Aggreated audio restriction mode for all camera clients
+    int32_t mAudioRestriction;
 };
 
 } // namespace android
diff --git a/services/camera/libcameraservice/api1/Camera2Client.cpp b/services/camera/libcameraservice/api1/Camera2Client.cpp
index 162b50f..eb599e0 100644
--- a/services/camera/libcameraservice/api1/Camera2Client.cpp
+++ b/services/camera/libcameraservice/api1/Camera2Client.cpp
@@ -2253,6 +2253,12 @@
     return OK;
 }
 
+int32_t Camera2Client::setAudioRestriction(int /*mode*/) {
+    // Empty implementation. setAudioRestriction is hidden interface and not
+    // supported by android.hardware.Camera API
+    return INVALID_OPERATION;
+}
+
 const char* Camera2Client::kAutofocusLabel = "autofocus";
 const char* Camera2Client::kTakepictureLabel = "take_picture";
 
diff --git a/services/camera/libcameraservice/api1/Camera2Client.h b/services/camera/libcameraservice/api1/Camera2Client.h
index a9ea271..8df8d2b 100644
--- a/services/camera/libcameraservice/api1/Camera2Client.h
+++ b/services/camera/libcameraservice/api1/Camera2Client.h
@@ -83,6 +83,7 @@
     virtual void            notifyError(int32_t errorCode,
                                         const CaptureResultExtras& resultExtras);
     virtual status_t        setVideoTarget(const sp<IGraphicBufferProducer>& bufferProducer);
+    virtual int32_t         setAudioRestriction(int mode);
 
     /**
      * Interface used by CameraService
diff --git a/services/camera/libcameraservice/api1/CameraClient.cpp b/services/camera/libcameraservice/api1/CameraClient.cpp
index d65ac7b..089f6cf 100644
--- a/services/camera/libcameraservice/api1/CameraClient.cpp
+++ b/services/camera/libcameraservice/api1/CameraClient.cpp
@@ -1171,4 +1171,18 @@
     return INVALID_OPERATION;
 }
 
+int32_t CameraClient::setAudioRestriction(int mode) {
+    if (!isValidAudioRestriction(mode)) {
+        ALOGE("%s: invalid audio restriction mode %d", __FUNCTION__, mode);
+        return BAD_VALUE;
+    }
+
+    Mutex::Autolock lock(mLock);
+    if (checkPidAndHardware() != NO_ERROR) {
+        return INVALID_OPERATION;
+    }
+    return BasicClient::setAudioRestriction(mode);
+}
+
+
 }; // namespace android
diff --git a/services/camera/libcameraservice/api1/CameraClient.h b/services/camera/libcameraservice/api1/CameraClient.h
index 9530b6c..fefa8c9 100644
--- a/services/camera/libcameraservice/api1/CameraClient.h
+++ b/services/camera/libcameraservice/api1/CameraClient.h
@@ -59,6 +59,7 @@
     virtual String8         getParameters() const;
     virtual status_t        sendCommand(int32_t cmd, int32_t arg1, int32_t arg2);
     virtual status_t        setVideoTarget(const sp<IGraphicBufferProducer>& bufferProducer);
+    virtual int32_t         setAudioRestriction(int mode);
 
     // Interface used by CameraService
     CameraClient(const sp<CameraService>& cameraService,
diff --git a/services/camera/libcameraservice/api2/CameraDeviceClient.cpp b/services/camera/libcameraservice/api2/CameraDeviceClient.cpp
index c7a4f2b..be188bc 100644
--- a/services/camera/libcameraservice/api2/CameraDeviceClient.cpp
+++ b/services/camera/libcameraservice/api2/CameraDeviceClient.cpp
@@ -1870,6 +1870,26 @@
     return res;
 }
 
+binder::Status CameraDeviceClient::setCameraAudioRestriction(int32_t mode,
+        /*out*/ int32_t* outMode) {
+    ATRACE_CALL();
+    binder::Status res;
+    if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
+
+    if (!isValidAudioRestriction(mode)) {
+        String8 msg = String8::format("Camera %s: invalid audio restriction mode %d",
+                mCameraIdStr.string(), mode);
+        ALOGW("%s: %s", __FUNCTION__, msg.string());
+        return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
+    }
+
+    Mutex::Autolock icl(mBinderSerializationLock);
+    if (outMode != nullptr) {
+        *outMode = BasicClient::setAudioRestriction(mode);
+    }
+    return binder::Status::ok();
+}
+
 status_t CameraDeviceClient::dump(int fd, const Vector<String16>& args) {
     return BasicClient::dump(fd, args);
 }
diff --git a/services/camera/libcameraservice/api2/CameraDeviceClient.h b/services/camera/libcameraservice/api2/CameraDeviceClient.h
index 1c5abb0..a9aa190 100644
--- a/services/camera/libcameraservice/api2/CameraDeviceClient.h
+++ b/services/camera/libcameraservice/api2/CameraDeviceClient.h
@@ -152,6 +152,10 @@
     virtual binder::Status finalizeOutputConfigurations(int32_t streamId,
             const hardware::camera2::params::OutputConfiguration &outputConfiguration) override;
 
+    virtual binder::Status setCameraAudioRestriction(int32_t mode,
+            /*out*/
+            int32_t* outMode = NULL) override;
+
     /**
      * Interface used by CameraService
      */