While digging in sanei sources (cvs head) I stumbled on this line:
> 532 #ifdef HAVE_USBCALLS
> 533 /* Check for devices using OS/2 USBCALLS Interface */
> ...
>> 575 if (pDevDesc->bDeviceClass = USB_CLASS_VENDOR_SPEC)
> 576 {
> 577 found = SANE_TRUE;
> 578 }
Assigment in 'if ()' is probably mistake and should be '=='.