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/*
* Copyright 2012 Steffen Trumtrar <s.trumtrar@pengutronix.de>
*
* display timings of helpers
*
* This file is released under the GPLv2
*/
#ifndef __LINUX_OF_DISPLAY_TIMING_H
#define __LINUX_OF_DISPLAY_TIMING_H
#include <linux/errno.h>
struct device_node;
struct display_timing;
struct display_timings;
#define OF_USE_NATIVE_MODE -1
#ifdef CONFIG_OF
int of_get_display_timing(const struct device_node *np, const char *name,
struct display_timing *dt);
struct display_timings *of_get_display_timings(const struct device_node *np);
int of_display_timings_exist(const struct device_node *np);
#else
static inline int of_get_display_timing(const struct device_node *np,
const char *name, struct display_timing *dt)
{
return -ENOSYS;
}
static inline struct display_timings *
of_get_display_timings(const struct device_node *np)
{
return NULL;
}
static inline int of_display_timings_exist(const struct device_node *np)
{
return -ENOSYS;
}
#endif
#endif