ia_css_ob2_config
const struct ia_css_ob2_config default_ob2_config = {
const struct ia_css_ob2_config *from,
const struct ia_css_ob2_config *config,
extern const struct ia_css_ob2_config default_ob2_config;
const struct ia_css_ob2_config *from,
const struct ia_css_ob2_config *config, unsigned int level);