LNBP21_LLC
lnbp21->config |= LNBP21_LLC;
lnbp21->config &= ~LNBP21_LLC;
if (dvb_attach(lnbp21_attach, budget_ci->budget.dvb_frontend, &budget_ci->budget.i2c_adap, LNBP21_LLC, 0) == NULL) {