ispif_try_format
ispif_try_format(line, sd_state, fse->pad, &format, fse->which);
ispif_try_format(line, sd_state, fmt->pad, &fmt->format, fmt->which);
ispif_try_format(line, sd_state, MSM_ISPIF_PAD_SRC, format,
ispif_try_format(line, sd_state, fse->pad, &format, fse->which);