diff --git a/include/hardware/gralloc.h b/include/hardware/gralloc.h
index 8ee0240..9daad1c 100644
--- a/include/hardware/gralloc.h
+++ b/include/hardware/gralloc.h
@@ -70,6 +70,8 @@
     GRALLOC_USAGE_HW_RENDER       = 0x00000200,
     /* buffer will be used by the 2D hardware blitter */
     GRALLOC_USAGE_HW_2D           = 0x00000400,
+    /* buffer will be used by the HWComposer HAL module */
+    GRALLOC_USAGE_HW_COMPOSER     = 0x00000800,
     /* buffer will be used with the framebuffer device */
     GRALLOC_USAGE_HW_FB           = 0x00001000,
     /* mask for the software usage bit-mask */