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kernel/linux-rt-4.4.41/include/uapi/linux/usb/g_printer.h 1.29 KB
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  /*
   * g_printer.h -- Header file for USB Printer gadget driver
   *
   * Copyright (C) 2007 Craig W. Nadler
   *
   * 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
   */
  
  #ifndef __LINUX_USB_G_PRINTER_H
  #define __LINUX_USB_G_PRINTER_H
  
  #define PRINTER_NOT_ERROR	0x08
  #define PRINTER_SELECTED	0x10
  #define PRINTER_PAPER_EMPTY	0x20
  
  /* The 'g' code is also used by gadgetfs ioctl requests.
   * Don't add any colliding codes to either driver, and keep
   * them in unique ranges (size 0x20 for now).
   */
  #define GADGET_GET_PRINTER_STATUS	_IOR('g', 0x21, unsigned char)
  #define GADGET_SET_PRINTER_STATUS	_IOWR('g', 0x22, unsigned char)
  
  #endif /* __LINUX_USB_G_PRINTER_H */