diff --git a/camera/camera_platform.aconfig b/camera/camera_platform.aconfig
index 076394d..63a514d 100644
--- a/camera/camera_platform.aconfig
+++ b/camera/camera_platform.aconfig
@@ -83,3 +83,10 @@
      description: "Enable using ro.board.api_level instead of ro.vndk.version to get VNDK version"
      bug: "312315580"
 }
+
+flag {
+     namespace: "camera_platform"
+     name: "delay_lazy_hal_instantiation"
+     description: "Only trigger lazy HAL instantiation when the HAL is needed for an operation."
+     bug: "319735068"
+}
diff --git a/services/camera/libcameraservice/common/CameraProviderManager.cpp b/services/camera/libcameraservice/common/CameraProviderManager.cpp
index 98c1a79..be5ed4e 100644
--- a/services/camera/libcameraservice/common/CameraProviderManager.cpp
+++ b/services/camera/libcameraservice/common/CameraProviderManager.cpp
@@ -139,7 +139,7 @@
 }
 
 std::shared_ptr<aidl::android::hardware::camera::provider::ICameraProvider>
-CameraProviderManager::AidlServiceInteractionProxyImpl::getAidlService(
+CameraProviderManager::AidlServiceInteractionProxyImpl::getService(
         const std::string& serviceName) {
     using aidl::android::hardware::camera::provider::ICameraProvider;
 
@@ -151,15 +151,31 @@
     }
 
     if (binder == nullptr) {
-        ALOGD("%s: AIDL Camera provider HAL '%s' is not actually available", __FUNCTION__,
-              serviceName.c_str());
+        ALOGE("%s: AIDL Camera provider HAL '%s' is not actually available, despite waiting "
+              "indefinitely?", __FUNCTION__, serviceName.c_str());
         return nullptr;
     }
     std::shared_ptr<ICameraProvider> interface =
             ICameraProvider::fromBinder(ndk::SpAIBinder(binder));
 
     return interface;
-};
+}
+
+std::shared_ptr<aidl::android::hardware::camera::provider::ICameraProvider>
+CameraProviderManager::AidlServiceInteractionProxyImpl::tryGetService(
+        const std::string& serviceName) {
+    using aidl::android::hardware::camera::provider::ICameraProvider;
+
+    std::shared_ptr<ICameraProvider> interface = ICameraProvider::fromBinder(
+                    ndk::SpAIBinder(AServiceManager_checkService(serviceName.c_str())));
+    if (interface == nullptr) {
+        ALOGD("%s: AIDL Camera provider HAL '%s' is not actually available", __FUNCTION__,
+              serviceName.c_str());
+        return nullptr;
+    }
+
+    return interface;
+}
 
 static std::string getFullAidlProviderName(const std::string instance) {
     std::string aidlHalServiceDescriptor =
@@ -2096,8 +2112,14 @@
         const std::string& providerName, const sp<ProviderInfo>& providerInfo) {
     using aidl::android::hardware::camera::provider::ICameraProvider;
 
-    std::shared_ptr<ICameraProvider> interface =
-            mAidlServiceProxy->getAidlService(providerName.c_str());
+    std::shared_ptr<ICameraProvider> interface;
+    if (flags::delay_lazy_hal_instantiation()) {
+        // Only get remote instance if already running. Lazy Providers will be
+        // woken up later.
+        interface = mAidlServiceProxy->tryGetService(providerName);
+    } else {
+        interface = mAidlServiceProxy->getService(providerName);
+    }
 
     if (interface == nullptr) {
         ALOGW("%s: AIDL Camera provider HAL '%s' is not actually available", __FUNCTION__,
diff --git a/services/camera/libcameraservice/common/CameraProviderManager.h b/services/camera/libcameraservice/common/CameraProviderManager.h
index 53a2102..fc0172c 100644
--- a/services/camera/libcameraservice/common/CameraProviderManager.h
+++ b/services/camera/libcameraservice/common/CameraProviderManager.h
@@ -178,9 +178,15 @@
     // Proxy to inject fake services in test.
     class AidlServiceInteractionProxy {
       public:
-        // Returns the Aidl service with the given serviceName
+        // Returns the Aidl service with the given serviceName. Will wait indefinitely
+        // for the service to come up if not running.
         virtual std::shared_ptr<aidl::android::hardware::camera::provider::ICameraProvider>
-        getAidlService(const std::string& serviceName) = 0;
+        getService(const std::string& serviceName) = 0;
+
+        // Attempts to get an already running AIDL service of the given serviceName.
+        // Returns nullptr immediately if service is not running.
+        virtual std::shared_ptr<aidl::android::hardware::camera::provider::ICameraProvider>
+        tryGetService(const std::string& serviceName) = 0;
 
         virtual ~AidlServiceInteractionProxy() = default;
     };
@@ -190,7 +196,10 @@
     class AidlServiceInteractionProxyImpl : public AidlServiceInteractionProxy {
       public:
         virtual std::shared_ptr<aidl::android::hardware::camera::provider::ICameraProvider>
-        getAidlService(const std::string& serviceName) override;
+        getService(const std::string& serviceName) override;
+
+        virtual std::shared_ptr<aidl::android::hardware::camera::provider::ICameraProvider>
+        tryGetService(const std::string& serviceName) override;
     };
 
     /**
diff --git a/services/camera/libcameraservice/common/aidl/AidlProviderInfo.cpp b/services/camera/libcameraservice/common/aidl/AidlProviderInfo.cpp
index 921ee43..a721d28 100644
--- a/services/camera/libcameraservice/common/aidl/AidlProviderInfo.cpp
+++ b/services/camera/libcameraservice/common/aidl/AidlProviderInfo.cpp
@@ -297,9 +297,10 @@
     }
 
     ALOGV("Camera provider actually needs restart, calling getService(%s)", mProviderName.c_str());
-    interface = mManager->mAidlServiceProxy->getAidlService(mProviderName.c_str());
+    interface = mManager->mAidlServiceProxy->getService(mProviderName);
+
     if (interface == nullptr) {
-        ALOGD("%s: %s service not started", __FUNCTION__, mProviderName.c_str());
+        ALOGE("%s: %s service not started", __FUNCTION__, mProviderName.c_str());
         return nullptr;
     }
 
diff --git a/services/camera/libcameraservice/tests/CameraProviderManagerTest.cpp b/services/camera/libcameraservice/tests/CameraProviderManagerTest.cpp
index a53d26d..939126c 100644
--- a/services/camera/libcameraservice/tests/CameraProviderManagerTest.cpp
+++ b/services/camera/libcameraservice/tests/CameraProviderManagerTest.cpp
@@ -372,28 +372,22 @@
 };
 
 /**
- * Simple test version of the interaction proxy, to use to inject onRegistered calls to the
+ * Simple test version of HidlServiceInteractionProxy, to use to inject onRegistered calls to the
  * CameraProviderManager
  */
-struct TestInteractionProxy : public CameraProviderManager::HidlServiceInteractionProxy,
-                              public CameraProviderManager::AidlServiceInteractionProxy {
+struct TestHidlInteractionProxy : public CameraProviderManager::HidlServiceInteractionProxy {
     sp<hidl::manager::V1_0::IServiceNotification> mManagerNotificationInterface;
     sp<TestICameraProvider> mTestCameraProvider;
-    std::shared_ptr<TestAidlICameraProvider> mTestAidlCameraProvider;
 
-    TestInteractionProxy() {}
+    TestHidlInteractionProxy() {}
 
     void setProvider(sp<TestICameraProvider> provider) {
         mTestCameraProvider = provider;
     }
 
-    void setAidlProvider(std::shared_ptr<TestAidlICameraProvider> provider) {
-        mTestAidlCameraProvider = provider;
-    }
-
     std::vector<std::string> mLastRequestedServiceNames;
 
-    virtual ~TestInteractionProxy() {}
+    virtual ~TestHidlInteractionProxy() {}
 
     virtual bool registerForNotifications(
             [[maybe_unused]] const std::string &serviceName,
@@ -430,9 +424,47 @@
         hardware::hidl_vec<hardware::hidl_string> ret = {"test/0"};
         return ret;
     }
+};
+
+/**
+ * Simple test version of AidlServiceInteractionProxy, to use to inject onRegistered calls to the
+ * CameraProviderManager
+ */
+struct TestAidlInteractionProxy : public CameraProviderManager::AidlServiceInteractionProxy {
+    std::shared_ptr<TestAidlICameraProvider> mTestAidlCameraProvider;
+
+    TestAidlInteractionProxy() {}
+
+    void setProvider(std::shared_ptr<TestAidlICameraProvider> provider) {
+        mTestAidlCameraProvider = provider;
+    }
+
+    std::vector<std::string> mLastRequestedServiceNames;
+
+    virtual ~TestAidlInteractionProxy() {}
 
     virtual std::shared_ptr<aidl::android::hardware::camera::provider::ICameraProvider>
-    getAidlService(const std::string&) {
+            getService(const std::string& serviceName) override {
+        if (!flags::delay_lazy_hal_instantiation()) {
+            return mTestAidlCameraProvider;
+        }
+
+        // If no provider has been given, fail; in reality, getService would
+        // block for HALs that don't start correctly, so we should never use
+        // getService when we don't have a valid HAL running
+        if (mTestAidlCameraProvider == nullptr) {
+            ADD_FAILURE() << __FUNCTION__ << "called with no valid provider;"
+                          << " would block indefinitely";
+            // Real getService would block, but that's bad in unit tests. So
+            // just record an error and return nullptr
+            return nullptr;
+        }
+        mLastRequestedServiceNames.push_back(serviceName);
+        return mTestAidlCameraProvider;
+    }
+
+    virtual std::shared_ptr<aidl::android::hardware::camera::provider::ICameraProvider>
+    tryGetService(const std::string&) override {
         return mTestAidlCameraProvider;
     }
 };
@@ -462,7 +494,7 @@
     status_t res;
     sp<CameraProviderManager> providerManager = new CameraProviderManager();
     sp<TestStatusListener> statusListener = new TestStatusListener();
-    TestInteractionProxy serviceProxy;
+    TestHidlInteractionProxy serviceProxy;
 
     android::hardware::hidl_vec<uint8_t> chars;
     CameraMetadata meta;
@@ -510,7 +542,7 @@
     status_t res;
     sp<CameraProviderManager> providerManager = new CameraProviderManager();
     sp<TestStatusListener> statusListener = new TestStatusListener();
-    TestInteractionProxy serviceProxy;
+    TestHidlInteractionProxy serviceProxy;
     sp<TestICameraProvider> provider =  new TestICameraProvider(deviceNames,
             vendorSection);
     serviceProxy.setProvider(provider);
@@ -560,7 +592,7 @@
 
     sp<CameraProviderManager> providerManager = new CameraProviderManager();
     sp<TestStatusListener> statusListener = new TestStatusListener();
-    TestInteractionProxy serviceProxy;
+    TestHidlInteractionProxy serviceProxy;
 
     sp<TestICameraProvider> provider =  new TestICameraProvider(deviceNames,
             vendorSection);
@@ -696,7 +728,7 @@
     status_t res;
     sp<CameraProviderManager> providerManager = new CameraProviderManager();
     sp<TestStatusListener> statusListener = new TestStatusListener();
-    TestInteractionProxy serviceProxy;
+    TestHidlInteractionProxy serviceProxy;
     sp<TestICameraProvider> provider =  new TestICameraProvider(deviceNames,
             vendorSection);
     serviceProxy.setProvider(provider);
@@ -730,7 +762,7 @@
 
     sp<CameraProviderManager> providerManager = new CameraProviderManager();
     sp<TestStatusListener> statusListener = new TestStatusListener();
-    TestInteractionProxy serviceProxy;
+    TestHidlInteractionProxy serviceProxy;
     sp<TestICameraProvider> provider =  new TestICameraProvider(deviceNames,
             vendorSection);
 
@@ -779,7 +811,7 @@
 
     sp<CameraProviderManager> providerManager = new CameraProviderManager();
     sp<TestStatusListener> statusListener = new TestStatusListener();
-    TestInteractionProxy serviceProxy;
+    TestHidlInteractionProxy serviceProxy;
     sp<TestICameraProvider> provider =  new TestICameraProvider(deviceNames,
             vendorSection);
 
@@ -821,7 +853,7 @@
 
     sp<CameraProviderManager> providerManager = new CameraProviderManager();
     sp<TestStatusListener> statusListener = new TestStatusListener();
-    TestInteractionProxy serviceProxy;
+    TestHidlInteractionProxy serviceProxy;
 
     android::hardware::hidl_vec<uint8_t> chars;
     CameraMetadata meta;
@@ -857,9 +889,11 @@
                 REQUIRES_FLAGS_ENABLED(ACONFIG_FLAG(vd_flags, virtual_camera_service_discovery))) {
     sp<CameraProviderManager> providerManager = new CameraProviderManager();
     sp<TestStatusListener> statusListener = new TestStatusListener();
-    TestInteractionProxy serviceProxy;
+    TestAidlInteractionProxy aidlServiceProxy;
+    TestHidlInteractionProxy hidlServiceProxy;
 
-    status_t res = providerManager->initialize(statusListener, &serviceProxy, &serviceProxy);
+    status_t res = providerManager->initialize(statusListener,
+                                               &hidlServiceProxy, &aidlServiceProxy);
     ASSERT_EQ(res, OK) << "Unable to initialize provider manager";
 
     std::vector<std::string> cameraList = {"device@1.1/virtual/123"};
@@ -868,7 +902,7 @@
             ndk::SharedRefBase::make<TestAidlICameraProvider>(cameraList);
     ndk::SpAIBinder spBinder = aidlProvider->asBinder();
     AIBinder* aiBinder = spBinder.get();
-    serviceProxy.setAidlProvider(aidlProvider);
+    aidlServiceProxy.setProvider(aidlProvider);
     providerManager->onServiceRegistration(
             String16("android.hardware.camera.provider.ICameraProvider/virtual/0"),
             AIBinder_toPlatformBinder(aiBinder));
@@ -883,15 +917,17 @@
                 REQUIRES_FLAGS_ENABLED(ACONFIG_FLAG(vd_flags, virtual_camera_service_discovery))) {
     sp<CameraProviderManager> providerManager = new CameraProviderManager();
     sp<TestStatusListener> statusListener = new TestStatusListener();
-    TestInteractionProxy serviceProxy;
+    TestAidlInteractionProxy aidlServiceProxy;
+    TestHidlInteractionProxy hidlServiceProxy;
 
     std::vector<std::string> cameraList = {"device@1.1/virtual/123"};
 
     std::shared_ptr<TestAidlICameraProvider> aidlProvider =
             ndk::SharedRefBase::make<TestAidlICameraProvider>(cameraList);
-    serviceProxy.setAidlProvider(aidlProvider);
+    aidlServiceProxy.setProvider(aidlProvider);
 
-    status_t res = providerManager->initialize(statusListener, &serviceProxy, &serviceProxy);
+    status_t res = providerManager->initialize(statusListener,
+                                               &hidlServiceProxy, &aidlServiceProxy);
     ASSERT_EQ(res, OK) << "Unable to initialize provider manager";
 
     std::unordered_map<std::string, std::set<std::string>> unavailableDeviceIds;