USB: New device ID for ftdi_sio usb serial driver

The patch adds a new device ID for the Gamma Scout Geiger counter
device.
Signed-off-by: Ralf Schlatterbeck <rsc@runtux.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/serial/ftdi_sio.c

@@ -506,6 +506,7 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) },
 	{ USB_DEVICE(TESTO_VID, TESTO_USB_INTERFACE_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) },
 	{ },					/* Optional parameter entry */
 	{ }					/* Terminating entry */
 };

drivers/usb/serial/ftdi_sio.h

@@ -467,6 +467,11 @@
 #define TESTO_VID			0x128D
 #define TESTO_USB_INTERFACE_PID		0x0001
 
+/*
+ * Gamma Scout (http://gamma-scout.com/). Submitted by rsc@runtux.com.
+ */
+#define FTDI_GAMMA_SCOUT_PID		0xD678	/* Gamma Scout online */
+
 /* Commands */
 #define FTDI_SIO_RESET 		0 /* Reset the port */
 #define FTDI_SIO_MODEM_CTRL 	1 /* Set the modem control register */