[media] ov5642: avoid calling ov5642_find_datafmt() twice

Simplify ov5642_set_fmt().
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Reported-by: NGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/i2c/soc_camera/ov5642.c

@@ -811,7 +811,7 @@ static int ov5642_set_fmt(struct v4l2_subdev *sd,
 	mf->field	= V4L2_FIELD_NONE;
 
 	if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE)
-		priv->fmt = ov5642_find_datafmt(mf->code);
+		priv->fmt = fmt;
 	else
 		cfg->try_fmt = *mf;
 	return 0;