LXR linux/include/video/of_display

   1/*
   2 * Copyright 2012 Steffen Trumtrar <s.trumtrar@pengutronix.de>
   3 *
   4 * display timings of helpers
   5 *
   6 * This file is released under the GPLv2
   7 */
   8
   9#ifndef __LINUX_OF_DISPLAY_TIMING_H
  10#define __LINUX_OF_DISPLAY_TIMING_H
  11
  12struct device_node;
  13struct display_timing;
  14struct display_timings;
  15
  16#define OF_USE_NATIVE_MODE -1
  17
  18#ifdef CONFIG_OF
  19int of_get_display_timing(struct device_node *np, const char *name,
  20                struct display_timing *dt);
  21struct display_timings *of_get_display_timings(struct device_node *np);
  22int of_display_timings_exist(struct device_node *np);
  23#else
  24static inline int of_get_display_timing(struct device_node *np, const char *name,
  25                struct display_timing *dt)
  26{
  27        return -ENOSYS;
  28}
  29static inline struct display_timings *of_get_display_timings(struct device_node *np)
  30{
  31        return NULL;
  32}
  33static inline int of_display_timings_exist(struct device_node *np)
  34{
  35        return -ENOSYS;
  36}
  37#endif
  38
  39#endif
  40