V4L2_META_FMT_C3ISP_PARAMS
f->pixelformat = V4L2_META_FMT_C3ISP_PARAMS;
params->vfmt.fmt.meta.dataformat = V4L2_META_FMT_C3ISP_PARAMS;
case V4L2_META_FMT_C3ISP_PARAMS: descr = "Amlogic C3 ISP Parameters"; break;