/* LIBUSB-WIN32, Generic Windows USB Library * Copyright (c) 2002-2005 Stephan Meyer <ste_meyer@web.de> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */#include "libusb_driver.h"NTSTATUS clear_feature(libusb_device_t *dev,                       int recipient, int index, int feature, int timeout){  NTSTATUS status = STATUS_SUCCESS;  URB urb;  DEBUG_PRINT_NL();  DEBUG_MESSAGE("clear_feature(): recipient %02d", recipient);  DEBUG_MESSAGE("clear_feature(): index %04d", index);  DEBUG_MESSAGE("clear_feature(): feature %04d", feature);  DEBUG_MESSAGE("clear_feature(): timeout %d", timeout);  memset(&urb, 0, sizeof(struct _URB_CONTROL_FEATURE_REQUEST));  switch(recipient)    {    case USB_RECIP_DEVICE:      urb.UrbHeader.Function = URB_FUNCTION_CLEAR_FEATURE_TO_DEVICE;      break;    case USB_RECIP_INTERFACE:      urb.UrbHeader.Function = URB_FUNCTION_CLEAR_FEATURE_TO_INTERFACE;      break;    case USB_RECIP_ENDPOINT:      urb.UrbHeader.Function = URB_FUNCTION_CLEAR_FEATURE_TO_ENDPOINT;      break;    case USB_RECIP_OTHER:      urb.UrbHeader.Function = URB_FUNCTION_CLEAR_FEATURE_TO_OTHER;      break;    default:      DEBUG_ERROR("clear_feature(): invalid recipient");      return STATUS_INVALID_PARAMETER;    }    urb.UrbHeader.Length = sizeof(struct _URB_CONTROL_FEATURE_REQUEST);  urb.UrbControlFeatureRequest.FeatureSelector = (USHORT)feature;  urb.UrbControlFeatureRequest.Index = (USHORT)index;     status = call_usbd(dev, &urb, IOCTL_INTERNAL_USB_SUBMIT_URB, timeout);    if(!NT_SUCCESS(status) || !USBD_SUCCESS(urb.UrbHeader.Status))    {      DEBUG_ERROR("set_feature(): clearing feature failed: status: 0x%x, "                  "urb-status: 0x%x", status, urb.UrbHeader.Status);    }    return status;}