#define CHR_IOCTL_PP_EPP_WRITE 11
#define CHR_IOCTL_PP_DATA_DIR 12
-#define CHR_IOCTL_SERIAL_SET_TIOCM 12
-#define CHR_IOCTL_SERIAL_GET_TIOCM 13
+#define CHR_IOCTL_SERIAL_SET_TIOCM 13
+#define CHR_IOCTL_SERIAL_GET_TIOCM 14
#define CHR_TIOCM_CTS 0x020
#define CHR_TIOCM_CAR 0x040