499 	int  frame_width, image_height, image_width;  in v4l2_detect_cvt()  local
552 		image_height = (frame_height - 2 * v_fp - 2 * vsync - 2 * v_bp) & ~0x1;  in v4l2_detect_cvt()
554 		image_height = (frame_height - v_fp - vsync - v_bp + 1) & ~0x1;  in v4l2_detect_cvt()
556 	if (image_height < 0)  in v4l2_detect_cvt()
562 		image_width = (image_height * 4) / 3;  in v4l2_detect_cvt()
565 		image_width = (image_height * 16) / 9;  in v4l2_detect_cvt()
568 		image_width = (image_height * 16) / 10;  in v4l2_detect_cvt()
572 		if (image_height == 1024)  in v4l2_detect_cvt()
573 			image_width = (image_height * 5) / 4;  in v4l2_detect_cvt()
574 		else if (image_height == 768)  in v4l2_detect_cvt()
575 			image_width = (image_height * 15) / 9;  in v4l2_detect_cvt()
631 	fmt->bt.height = image_height;  in v4l2_detect_cvt()
639 		fmt->bt.vbackporch = frame_height - image_height - v_fp - vsync;  in v4l2_detect_cvt()
642 		fmt->bt.vbackporch = (frame_height - image_height - 2 * v_fp -  in v4l2_detect_cvt()
644 		fmt->bt.il_vbackporch = frame_height - image_height - 2 * v_fp -  in v4l2_detect_cvt()
718 	int frame_width, image_height, image_width;  in v4l2_detect_gtf()  local
739 		image_height = (frame_height - 2 * v_fp - 2 * vsync - 2 * v_bp) & ~0x1;  in v4l2_detect_gtf()
741 		image_height = (frame_height - v_fp - vsync - v_bp + 1) & ~0x1;  in v4l2_detect_gtf()
743 	if (image_height < 0)  in v4l2_detect_gtf()
750 	image_width = ((image_height * aspect.numerator) / aspect.denominator);  in v4l2_detect_gtf()
789 	fmt->bt.height = image_height;  in v4l2_detect_gtf()
797 		fmt->bt.vbackporch = frame_height - image_height - v_fp - vsync;  in v4l2_detect_gtf()
800 		fmt->bt.vbackporch = (frame_height - image_height - 2 * v_fp -  in v4l2_detect_gtf()
802 		fmt->bt.il_vbackporch = frame_height - image_height - 2 * v_fp -  in v4l2_detect_gtf()