--- 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"