add missing yuv constants
diff --git a/include/hardware/hardware.h b/include/hardware/hardware.h
index 55d7553..a3bd9e4 100644
--- a/include/hardware/hardware.h
+++ b/include/hardware/hardware.h
@@ -141,6 +141,7 @@
     HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED = 0x20,
     HAL_PIXEL_FORMAT_YCrCb_420_SP       = 0x21,
     HAL_PIXEL_FORMAT_YCrCb_420_SP_TILED = 0x22,
+    HAL_PIXEL_FORMAT_YCrCb_422_SP       = 0x23,
 };