Input: wacom - fix "can not retrieve extra class descriptor" for 24HDT

The MFT device in the Cintiq 24HDT has two interfaces sharing the
same configuration. Without this patch, the driver attempts to
make use of both interfaces, even though the second interface is
not compatible with this driver.

Signed-off-by: Jason Gerecke <killertofu@gmail.com>
Tested-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index 1daa97913b7d20068845865a405387404fffe1d8..ed78be901b656b4411dcbb18623556fd116b9402 100644 (file)
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -2209,7 +2209,7 @@ const struct usb_device_id wacom_ids[] = {
        { USB_DEVICE_WACOM(0x47) },
        { USB_DEVICE_WACOM(0xF4) },
        { USB_DEVICE_WACOM(0xF8) },
-       { USB_DEVICE_WACOM(0xF6) },
+       { USB_DEVICE_DETAILED(0xF6, USB_CLASS_HID, 0, 0) },
        { USB_DEVICE_WACOM(0xFA) },
        { USB_DEVICE_LENOVO(0x6004) },
        { }