1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h
index 04ef90fcb876..9f7343a45424 100644
--- a/drivers/usb/serial/ftdi_sio.h
+++ b/drivers/usb/serial/ftdi_sio.h
@@ -182,6 +182,10 @@
 /* http://home.earthlink.net/~jrhees/USBUIRT/index.htm */
 #define FTDI_USB_UIRT_PID       0xF850  /* Product Id */
 
+/* TNC-X USB-to-packet-radio adapter, versions prior to 3.0 (DLP module) */
+
+#define FTDI_TNC_X_PID          0xEBE0
+
 /*
  * ELV USB devices submitted by Christian Abt of ELV (www.elv.de).
  * All of these devices use FTDI's vendor ID (0x0403).