dal_ddc_service_get_ddc_pin
dal_ddc_service_get_ddc_pin(link->ddc));
ddc = dal_ddc_service_get_ddc_pin(link->ddc);
ddc = dal_ddc_service_get_ddc_pin(link->ddc);
struct ddc *dal_ddc_service_get_ddc_pin(struct ddc_service *ddc_service);