linux/drivers/video/videomode.c
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   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
  14int videomode_from_timing(const struct display_timings *disp,
  15                          struct videomode *vm, unsigned int index)
  16{
  17        struct display_timing *dt;
  18
  19        dt = display_timings_get(disp, index);
  20        if (!dt)
  21                return -EINVAL;
  22
  23        vm->pixelclock = display_timing_get_value(&dt->pixelclock, TE_TYP);
  24        vm->hactive = display_timing_get_value(&dt->hactive, TE_TYP);
  25        vm->hfront_porch = display_timing_get_value(&dt->hfront_porch, TE_TYP);
  26        vm->hback_porch = display_timing_get_value(&dt->hback_porch, TE_TYP);
  27        vm->hsync_len = display_timing_get_value(&dt->hsync_len, TE_TYP);
  28
  29        vm->vactive = display_timing_get_value(&dt->vactive, TE_TYP);
  30        vm->vfront_porch = display_timing_get_value(&dt->vfront_porch, TE_TYP);
  31        vm->vback_porch = display_timing_get_value(&dt->vback_porch, TE_TYP);
  32        vm->vsync_len = display_timing_get_value(&dt->vsync_len, TE_TYP);
  33
  34        vm->dmt_flags = dt->dmt_flags;
  35        vm->data_flags = dt->data_flags;
  36
  37        return 0;
  38}
  39EXPORT_SYMBOL_GPL(videomode_from_timing);
  40
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