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kernel/linux-imx6_3.14.28/drivers/video/videomode.c 1.06 KB
6b13f685e   김민수   BSP 최초 추가
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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);