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kernel/linux-rt-4.4.41/drivers/media/usb/pvrusb2/pvrusb2-debugifc.h 1.55 KB
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  /*
   *
   *
   *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
   *
   *  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
   *
   *  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 __PVRUSB2_DEBUGIFC_H
  #define __PVRUSB2_DEBUGIFC_H
  
  struct pvr2_hdw;
  
  /* Print general status of driver.  This will also trigger a probe of
     the USB link.  Unlike print_info(), this one synchronizes with the
     driver so the information should be self-consistent (but it will
     hang if the driver is wedged). */
  int pvr2_debugifc_print_info(struct pvr2_hdw *,
  			     char *buf_ptr, unsigned int buf_size);
  
  /* Non-intrusively print some useful debugging info from inside the
     driver.  This should work even if the driver appears to be
     wedged. */
  int pvr2_debugifc_print_status(struct pvr2_hdw *,
  			       char *buf_ptr,unsigned int buf_size);
  
  /* Parse a string command into a driver action. */
  int pvr2_debugifc_docmd(struct pvr2_hdw *,
  			const char *buf_ptr,unsigned int buf_size);
  
  #endif /* __PVRUSB2_DEBUGIFC_H */