/*
   * Copyright 2012 Steffen Trumtrar <s.trumtrar@pengutronix.de>
   *
   * display timings of helpers
   *
   * This file is released under the GPLv2
   */
  
  #ifndef __LINUX_OF_DISPLAY_TIMING_H
  #define __LINUX_OF_DISPLAY_TIMING_H
  
  struct device_node;
  struct display_timing;
  struct display_timings;
  
  #define OF_USE_NATIVE_MODE -1
  
  #ifdef CONFIG_OF
  int of_get_display_timing(const struct device_node *np, const char *name,
  		struct display_timing *dt);
  struct display_timings *of_get_display_timings(const struct device_node *np);
  int of_display_timings_exist(const struct device_node *np);
  #else
  static inline int of_get_display_timing(const struct device_node *np,
  		const char *name, struct display_timing *dt)
  {
  	return -ENOSYS;
  }
  static inline struct display_timings *
  of_get_display_timings(const struct device_node *np)
  {
  	return NULL;
  }
  static inline int of_display_timings_exist(const struct device_node *np)
  {
  	return -ENOSYS;
  }
  #endif
  
  #endif