380 	struct v4l2_fract ratio = { 1, 1 };  in v4l2_dv_timings_aspect_ratio()  local
384 		return ratio;  in v4l2_dv_timings_aspect_ratio()
386 		return ratio;  in v4l2_dv_timings_aspect_ratio()
388 	ratio.numerator = t->bt.width * t->bt.picture_aspect.denominator;  in v4l2_dv_timings_aspect_ratio()
389 	ratio.denominator = t->bt.height * t->bt.picture_aspect.numerator;  in v4l2_dv_timings_aspect_ratio()
391 	rational_best_approximation(ratio.numerator, ratio.denominator,  in v4l2_dv_timings_aspect_ratio()
392 				    ratio.numerator, ratio.denominator, &n, &d);  in v4l2_dv_timings_aspect_ratio()
393 	ratio.numerator = n;  in v4l2_dv_timings_aspect_ratio()
394 	ratio.denominator = d;  in v4l2_dv_timings_aspect_ratio()
395 	return ratio;  in v4l2_dv_timings_aspect_ratio()
559 	/* Aspect ratio based on vsync */  in v4l2_detect_cvt()
697  * @aspect - preferred aspect ratio. GTF has no method of determining the
698  *		aspect ratio in order to derive the image width from the
700  *		the native screen aspect ratio is used for this. If it
820 /** v4l2_calc_aspect_ratio - calculate the aspect ratio based on bytes
825  * Determines the aspect ratio from the EDID.
827  * "Horizontal and Vertical Screen Size or Aspect Ratio"
832 	u8 ratio;  in v4l2_calc_aspect_ratio()  local
843 	/* Only one is filled in, so interpret them as a ratio:  in v4l2_calc_aspect_ratio()
845 	ratio = hor_landscape | vert_portrait;  in v4l2_calc_aspect_ratio()
846 	/* Change some rounded values into the exact aspect ratio */  in v4l2_calc_aspect_ratio()
847 	if (ratio == 79) {  in v4l2_calc_aspect_ratio()
850 	} else if (ratio == 34) {  in v4l2_calc_aspect_ratio()
853 	} else if (ratio == 68) {  in v4l2_calc_aspect_ratio()
862 	/* The aspect ratio is for portrait, so swap numerator and denominator */  in v4l2_calc_aspect_ratio()