Lines Matching refs:req
328 IOUSBDevRequest req;
331 req.bmRequestType = USBmakebmRequestType(kUSBIn, kUSBStandard, kUSBDevice);
332 req.bRequest = kUSBRqGetDescriptor;
333 req.wValue = (kUSBStringDesc << 8) | serialIndex;
335 req.wIndex = 0x0409;
336 req.pData = buffer;
337 req.wLength = sizeof(buffer);
338 kr = (*dev)->DeviceRequest(dev, &req);
340 if (kr == kIOReturnSuccess && req.wLenDone > 0) {
344 count = (req.wLenDone - 1) / 2;