diff --git a/camera/libcameraservice/CameraHardwareStub.cpp b/camera/libcameraservice/CameraHardwareStub.cpp
index fda48e8..b3e0ee6 100644
--- a/camera/libcameraservice/CameraHardwareStub.cpp
+++ b/camera/libcameraservice/CameraHardwareStub.cpp
@@ -385,7 +385,24 @@
     return new CameraHardwareStub();
 }
 
-extern "C" sp<CameraHardwareInterface> openCameraHardwareStub()
+static CameraInfo sCameraInfo[] = {
+    {
+        CAMERA_FACING_BACK,
+        90,  /* orientation */
+    }
+};
+
+extern "C" int HAL_getNumberOfCameras()
+{
+    return sizeof(sCameraInfo) / sizeof(sCameraInfo[0]);
+}
+
+extern "C" void HAL_getCameraInfo(int cameraId, struct CameraInfo* cameraInfo)
+{
+    memcpy(cameraInfo, &sCameraInfo[cameraId], sizeof(CameraInfo));
+}
+
+extern "C" sp<CameraHardwareInterface> HAL_openCameraHardware(int cameraId)
 {
     return CameraHardwareStub::createInstance();
 }