USB: ftdi_sio: Added custom PID for Synapse Wireless product

Synapse Wireless uses the FTDI VID with a custom PID of 0x9090 for their
SNAP Stick 200 product.
Signed-off-by: NDoug Goldstein <cardoe@cardoe.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: NJohan Hovold <johan@kernel.org>

drivers/usb/serial/ftdi_sio.c

@@ -604,6 +604,7 @@ static const struct usb_device_id id_table_combined[] = {
 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 	{ USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLXM_PID),
 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+	{ USB_DEVICE(FTDI_VID, FTDI_SYNAPSE_SS200_PID) },
 	/*
 	 * ELV devices:
 	 */

drivers/usb/serial/ftdi_sio_ids.h

@@ -561,6 +561,12 @@
  */
 #define FTDI_NT_ORIONLXM_PID	0x7c90	/* OrionLXm Substation Automation Platform */
 
+/*
+ * Synapse Wireless product ids (FTDI_VID)
+ * http://www.synapse-wireless.com
+ */
+#define FTDI_SYNAPSE_SS200_PID 0x9090 /* SS200 - SNAP Stick 200 */
+
 
 /********************************/
 /** third-party VID/PID combos **/