);  if (adap->fe_adap[fe_id].fe) {   adap_state->fe_init = adap->fe_adap[fe_id].fe->ops.init;   adap->fe_adap[fe_id].fe->ops.init = mxl000sf_adap_fe_init;   adap_state->fe_sleep = adap->fe_adap[fe_id].fe->ops.sleep;   adap->fe_adap[fe_id].fe->ops.sleep = mxl000sf_adap_fe_sleep;   return 0;  }  ret = -EIO; fail:  return ret; }  static 