Lines Matching refs:kr
86 IOReturn kr;
105 kr = (*dev)->CreateInterfaceIterator(dev, &request, &iterator);
107 if (kr != 0) {
108 ERR("Couldn't create a device interface iterator: (%08x)\n", kr);
114 kr = IOCreatePlugInInterfaceForService(
124 if ((kr != 0) || (!plugInInterface)) {
125 WARN("Unable to create plugin (%08x)\n", kr);
162 kr = (*interface)->USBInterfaceOpen(interface);
164 if (kr != 0) {
165 WARN("Could not open interface: (%08x)\n", kr);
172 kr = (*interface)->GetNumEndpoints(interface, &interfaceNumEndpoints);
174 if (kr != 0) {
175 ERR("Unable to get number of endpoints: (%08x)\n", kr);
200 kr = (*interface)->GetPipeProperties(interface, endpoint,
204 if (kr == 0) {
221 ERR("could not get pipe properties for endpoint %u (%08x)\n", endpoint, kr);
240 kr = (*interface)->ClearPipeStallBothEnds(interface,
242 if (kr != 0) {
243 ERR("could not clear input pipe; result %x, ignoring...\n", kr);
248 kr = (*interface)->ClearPipeStallBothEnds(interface,
250 if (kr != 0) {
251 ERR("could not clear output pipe; result %x, ignoring....\n", kr);
270 kern_return_t kr;
279 kr = IOCreatePlugInInterfaceForService(device,
284 if ((kr != 0) || (plugin == NULL)) {
285 ERR("Unable to create a plug-in (%08x)\n", kr);
305 kr = (*dev)->GetDeviceVendor(dev, &handle->info.dev_vendor);
306 if (kr != 0) {
311 kr = (*dev)->GetDeviceProduct(dev, &handle->info.dev_product);
312 if (kr != 0) {
317 kr = (*dev)->GetDeviceClass(dev, &handle->info.dev_class);
318 if (kr != 0) {
323 kr = (*dev)->GetDeviceSubClass(dev, &handle->info.dev_subclass);
324 if (kr != 0) {
329 kr = (*dev)->GetDeviceProtocol(dev, &handle->info.dev_protocol);
330 if (kr != 0) {
335 kr = (*dev)->GetLocationID(dev, &locationId);
336 if (kr != 0) {
343 kr = (*dev)->USBGetSerialNumberStringIndex(dev, &serialIndex);
356 kr = (*dev)->DeviceRequest(dev, &req);
358 if (kr == kIOReturnSuccess && req.wLenDone > 0) {
