1/*
2 * generic display timing functions
3 *
4 * Copyright (c) 2012 Steffen Trumtrar <s.trumtrar@pengutronix.de>, Pengutronix
5 *
6 * This file is released under the GPLv2
7 */
8
9#include <linux/errno.h>
10#include <linux/export.h>
11#include <video/display_timing.h>
12#include <video/videomode.h>
13
14void videomode_from_timing(const struct display_timing *dt,
15			  struct videomode *vm)
16{
17	vm->pixelclock = dt->pixelclock.typ;
18	vm->hactive = dt->hactive.typ;
19	vm->hfront_porch = dt->hfront_porch.typ;
20	vm->hback_porch = dt->hback_porch.typ;
21	vm->hsync_len = dt->hsync_len.typ;
22
23	vm->vactive = dt->vactive.typ;
24	vm->vfront_porch = dt->vfront_porch.typ;
25	vm->vback_porch = dt->vback_porch.typ;
26	vm->vsync_len = dt->vsync_len.typ;
27
28	vm->flags = dt->flags;
29}
30EXPORT_SYMBOL_GPL(videomode_from_timing);
31
32int videomode_from_timings(const struct display_timings *disp,
33			  struct videomode *vm, unsigned int index)
34{
35	struct display_timing *dt;
36
37	dt = display_timings_get(disp, index);
38	if (!dt)
39		return -EINVAL;
40
41	videomode_from_timing(dt, vm);
42
43	return 0;
44}
45EXPORT_SYMBOL_GPL(videomode_from_timings);
46