videomode.c
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/*
* generic display timing functions
*
* Copyright (c) 2012 Steffen Trumtrar <s.trumtrar@pengutronix.de>, Pengutronix
*
* This file is released under the GPLv2
*/
#include <linux/errno.h>
#include <linux/export.h>
#include <video/display_timing.h>
#include <video/videomode.h>
void videomode_from_timing(const struct display_timing *dt,
struct videomode *vm)
{
vm->pixelclock = dt->pixelclock.typ;
vm->hactive = dt->hactive.typ;
vm->hfront_porch = dt->hfront_porch.typ;
vm->hback_porch = dt->hback_porch.typ;
vm->hsync_len = dt->hsync_len.typ;
vm->vactive = dt->vactive.typ;
vm->vfront_porch = dt->vfront_porch.typ;
vm->vback_porch = dt->vback_porch.typ;
vm->vsync_len = dt->vsync_len.typ;
vm->flags = dt->flags;
}
EXPORT_SYMBOL_GPL(videomode_from_timing);
int videomode_from_timings(const struct display_timings *disp,
struct videomode *vm, unsigned int index)
{
struct display_timing *dt;
dt = display_timings_get(disp, index);
if (!dt)
return -EINVAL;
videomode_from_timing(dt, vm);
return 0;
}
EXPORT_SYMBOL_GPL(videomode_from_timings);