diff --git a/sys/compat/linuxkpi/common/include/linux/cec.h b/sys/compat/linuxkpi/common/include/linux/cec.h
new file mode 100644
--- /dev/null
+++ b/sys/compat/linuxkpi/common/include/linux/cec.h
@@ -0,0 +1,8 @@
+/* Public domain */
+
+#ifndef _LINUXKPI_LINUX_CEC_H_
+#define	_LINUXKPI_LINUX_CEC_H_
+
+#define CEC_PHYS_ADDR_INVALID		0xffff
+
+#endif /* _LINUXKPI_LINUX_CEC_H_ */