ic_con
u_int32_t ic_con, st, cmd, resp;
ic_con = dwiic_read(sc, DW_IC_CON);
ic_con &= ~DW_IC_CON_10BITADDR_MASTER;
dwiic_write(sc, DW_IC_CON, ic_con);
return ic_con(tn->tn_type, &tn->u.value);