USB_PRODUCT_EPSON_640U 1520 dev/usb/usbdevs_data.h 	    USB_VENDOR_EPSON, USB_PRODUCT_EPSON_640U,
USB_PRODUCT_EPSON_640U  176 dev/usb/uscanner.c  {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_640U }, 0 },