rf_tech_specific_params_nfca_poll
struct rf_tech_specific_params_nfca_poll nfca_poll;
struct rf_tech_specific_params_nfca_poll nfca_poll;
struct rf_tech_specific_params_nfca_poll *nfca_poll,
const struct rf_tech_specific_params_nfca_poll *nfca_poll;
nfca_poll = (struct rf_tech_specific_params_nfca_poll *)params;