diff --git a/include/linux/v4l2-controls.h b/include/linux/v4l2-controls.h
index e329974..9db08be 100644
--- a/include/linux/v4l2-controls.h
+++ b/include/linux/v4l2-controls.h
@@ -53,6 +53,10 @@
 #include <linux/const.h>
 #include <linux/types.h>
 
+#ifndef _BITUL
+#define _BITUL(x)    (1U << (x))
+#endif
+
 /* Control classes */
 #define V4L2_CTRL_CLASS_USER		0x00980000	/* Old-style 'user' controls */
 #define V4L2_CTRL_CLASS_CODEC		0x00990000	/* Stateful codec controls */