HID: usbhid, use usb_endpoint_xfer_int

Use usb_endpoint_xfer_int() instead of direct use of constants.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 6383145..832e469 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -805,7 +805,7 @@
 		int interval;
 
 		endpoint = &interface->endpoint[n].desc;
-		if ((endpoint->bmAttributes & 3) != 3)		/* Not an interrupt endpoint */
+		if (!usb_endpoint_xfer_int(endpoint))
 			continue;
 
 		interval = endpoint->bInterval;