--- bbswitch-0.8/bbswitch.c	2020-06-13 11:15:46.467992562 +0000
+++ bbswitch.c	2020-06-13 11:15:43.027772673 +0000
@@ -36,6 +36,7 @@
 #include <linux/seq_file.h>
 #include <linux/pm_runtime.h>
 #include <linux/version.h>
+#include <linux/proc_fs.h>
 
 #define BBSWITCH_VERSION "0.8"