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 
12 #include <linux/errno.h>
13 
14 struct device_node;
15 struct display_timing;
16 struct display_timings;
17 
18 #define OF_USE_NATIVE_MODE -1
19 
20 #ifdef CONFIG_OF
21 int of_get_display_timing(const struct device_node *np, const char *name,
22 		struct display_timing *dt);
23 struct display_timings *of_get_display_timings(const struct device_node *np);
24 #else
of_get_display_timing(const struct device_node * np,const char * name,struct display_timing * dt)25 static inline int of_get_display_timing(const struct device_node *np,
26 		const char *name, struct display_timing *dt)
27 {
28 	return -ENOSYS;
29 }
30 static inline struct display_timings *
of_get_display_timings(const struct device_node * np)31 of_get_display_timings(const struct device_node *np)
32 {
33 	return NULL;
34 }
35 #endif
36 
37 #endif
38