include/video/of_display_timing.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright 2012 Steffen Trumtrar <s.trumtrar@pengutronix.de>
   4  *
   5  * display timings of helpers
   6  */
   7
   8 #ifndef __LINUX_OF_DISPLAY_TIMING_H
   9 #define __LINUX_OF_DISPLAY_TIMING_H
  10
  11 struct device_node;
  12 struct display_timing;
  13 struct display_timings;
  14
  15 #define OF_USE_NATIVE_MODE -1
  16
  17 #ifdef CONFIG_OF
  18 int of_get_display_timing(const struct device_node *np, const char *name,
  19                 struct display_timing *dt);
  20 struct display_timings *of_get_display_timings(const struct device_node *np);
  21 #else
  22 static inline int of_get_display_timing(const struct device_node *np,
  23                 const char *name, struct display_timing *dt)
  24 {
  25         return -ENOSYS;
  26 }
  27 static inline struct display_timings *
  28 of_get_display_timings(const struct device_node *np)
  29 {
  30         return NULL;
  31 }
  32 #endif
  33
  34 #endif