--- bbswitch.c	2017-07-07 18:14:51.818861595 +0300
+++ bbswitch.c	2017-07-07 18:14:42.728655302 +0300
@@ -32,6 +32,7 @@
 #include <linux/acpi.h>
 #include <linux/module.h>
 #include <asm/uaccess.h>
+#include <linux/uaccess.h>
 #include <linux/suspend.h>
 #include <linux/seq_file.h>
 #include <linux/pm_runtime.h>