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 #include <linux/errno.h>
  12
  13 struct device_node;
  14 struct display_timing;
  15 struct display_timings;
  16
  17 #define OF_USE_NATIVE_MODE -1
  18
  19 #ifdef CONFIG_OF
  20 int of_get_display_timing(const struct device_node *np, const char *name,
  21                 struct display_timing *dt);
  22 struct display_timings *of_get_display_timings(const struct device_node *np);
  23 #else
  24 static inline int of_get_display_timing(const struct device_node *np,
  25                 const char *name, struct display_timing *dt)
  26 {
  27         return -ENOSYS;
  28 }
  29 static inline struct display_timings *
  30 of_get_display_timings(const struct device_node *np)
  31 {
  32         return NULL;
  33 }
  34 #endif
  35
  36 #endif