diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 58394495d220..f6a7b42cc118 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -481,6 +481,8 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(KOBIL_VID, KOBIL_CONV_KAAN_PID) },
 	{ USB_DEVICE(POSIFLEX_VID, POSIFLEX_PP7000_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_TTUSB_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_777_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_8900F_PID) },
 	{ },					/* Optional parameter entry */
 	{ }					/* Terminating entry */
 };
diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h
index 255ea1f19a44..07d4833c42e1 100644
--- a/drivers/usb/serial/ftdi_sio.h
+++ b/drivers/usb/serial/ftdi_sio.h
@@ -370,6 +370,12 @@
 #define POSIFLEX_VID		0x0d3a  /* Vendor ID */
 #define POSIFLEX_PP7000_PID	0x0300  /* PP-7000II thermal printer */
 
+/*
+ * Westrex International devices submitted by Cory Lee
+ */
+#define FTDI_WESTREX_MODEL_777_PID	0xDC00	/* Model 777 */
+#define FTDI_WESTREX_MODEL_8900F_PID	0xDC01	/* Model 8900F */
+
 /* Commands */
 #define FTDI_SIO_RESET 		0 /* Reset the port */
 #define FTDI_SIO_MODEM_CTRL 	1 /* Set the modem control register */