1diff --git a/include/linux/v4l2-controls.h b/include/linux/v4l2-controls.h 2index e329974..9db08be 100644 3--- a/include/linux/v4l2-controls.h 4+++ b/include/linux/v4l2-controls.h 5@@ -53,6 +53,10 @@ 6 #include <linux/const.h> 7 #include <linux/types.h> 8 9+#ifndef _BITUL 10+#define _BITUL(x) (1U << (x)) 11+#endif 12+ 13 /* Control classes */ 14 #define V4L2_CTRL_CLASS_USER 0x00980000 /* Old-style 'user' controls */ 15 #define V4L2_CTRL_CLASS_CODEC 0x00990000 /* Stateful codec controls */ 16