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 |
37 | |