__mt9p031_get_pad_format
fmt->format = *__mt9p031_get_pad_format(mt9p031, sd_state, fmt->pad,
__format = __mt9p031_get_pad_format(mt9p031, sd_state, format->pad,
__format = __mt9p031_get_pad_format(mt9p031, sd_state,
format = __mt9p031_get_pad_format(mt9p031, sd_state, 0, which);