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