diff --git a/libs/nativewindow/AHardwareBuffer.cpp b/libs/nativewindow/AHardwareBuffer.cpp
index ccc47e9..de5f1ed 100644
--- a/libs/nativewindow/AHardwareBuffer.cpp
+++ b/libs/nativewindow/AHardwareBuffer.cpp
@@ -688,6 +688,10 @@
             "gralloc and AHardwareBuffer flags don't match");
     static_assert(AHARDWAREBUFFER_USAGE_GPU_MIPMAP_COMPLETE == (uint64_t)BufferUsage::GPU_MIPMAP_COMPLETE,
             "gralloc and AHardwareBuffer flags don't match");
+    static_assert(AHARDWAREBUFFER_USAGE_CAMERA_WRITE == (uint64_t)BufferUsage::CAMERA_OUTPUT,
+            "gralloc and AHardwareBuffer flags don't match");
+    static_assert(AHARDWAREBUFFER_USAGE_CAMERA_READ == (uint64_t)BufferUsage::CAMERA_INPUT,
+            "gralloc and AHardwareBuffer flags don't match");
     return usage;
 }
 
diff --git a/libs/nativewindow/include/vndk/hardware_buffer.h b/libs/nativewindow/include/vndk/hardware_buffer.h
index 3392d7f..12f8691 100644
--- a/libs/nativewindow/include/vndk/hardware_buffer.h
+++ b/libs/nativewindow/include/vndk/hardware_buffer.h
@@ -81,6 +81,20 @@
     AHARDWAREBUFFER_FORMAT_YCbCr_422_I              = 0x14,
 };
 
+/**
+ * Buffer usage flags.
+ */
+enum {
+    /* for future proofing, keep these in sync with hardware/gralloc.h */
+
+    /* The buffer will be written by the HW camera pipeline. */
+    AHARDWAREBUFFER_USAGE_CAMERA_WRITE              = 2UL << 16,
+    /* The buffer will be read by the HW camera pipeline. */
+    AHARDWAREBUFFER_USAGE_CAMERA_READ               = 4UL << 16,
+    /* Mask for the camera access values. */
+    AHARDWAREBUFFER_USAGE_CAMERA_MASK               = 6UL << 16,
+};
+
 __END_DECLS
 
 #endif /* ANDROID_VNDK_NATIVEWINDOW_AHARDWAREBUFFER_H */