2 files changed, 7 insertions, 0 deletions

diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 590c7ec851db..b2bfea7c815a 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -500,6 +500,7 @@ static struct usb_device_id id_table_combined [] = {
         { USB_DEVICE(ICOM_ID1_VID, ICOM_ID1_PID) },
         { USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
+        { USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
         { },                                    /* Optional parameter entry */
         { }                                     /* Terminating entry */
 };
diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h
index d69a917e768f..6ab2ac845bd7 100644
--- a/drivers/usb/serial/ftdi_sio.h
+++ b/drivers/usb/serial/ftdi_sio.h
@@ -436,6 +436,12 @@
  */
 #define FTDI_ACG_HFDUAL_PID             0xDD20  /* HF Dual ISO Reader (RFID) */
 
+/*
+ * Yost Engineering, Inc. products (www.yostengineering.com).
+ * PID 0xE050 submitted by Aaron Prose.
+ */
+#define FTDI_YEI_SERVOCENTER31_PID      0xE050  /* YEI ServoCenter3.1 USB */
+
 /* Commands */
 #define FTDI_SIO_RESET          0 /* Reset the port */
 #define FTDI_SIO_MODEM_CTRL     1 /* Set the modem control register */