USB: ftdi_sio: add device ids for ScienceScope

This adds the requested device ids to the ftdi_sio driver.

Reported-by: Ewan Bingham <ewan@auc.co.uk>
Cc: Kuba Ober <kuba@mareimbrium.org>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/serial/ftdi_sio.c

diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index d3e58b5..160b3c6 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -791,6 +791,9 @@
 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MAXI_WING_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MEDIA_WING_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_WING_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LOGBOOKML_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LS_LOGBOOK_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_HS_LOGBOOK_PID) },
 	{ },					/* Optional parameter entry */
 	{ }					/* Terminating entry */
 };

drivers/usb/serial/ftdi_sio_ids.h

diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index fc44369..cf1aea1b 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -1095,3 +1095,8 @@
  * Accesio USB Data Acquisition products (http://www.accesio.com/)
  */
 #define ACCESIO_COM4SM_PID 	0xD578
+
+/* www.sciencescope.co.uk educational dataloggers */
+#define FTDI_SCIENCESCOPE_LOGBOOKML_PID		0xFF18
+#define FTDI_SCIENCESCOPE_LS_LOGBOOK_PID	0xFF1C
+#define FTDI_SCIENCESCOPE_HS_LOGBOOK_PID	0xFF1D