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[linux.git] / include / video / of_display_timing.h
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright 2012 Steffen Trumtrar <[email protected]>
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
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