CS4281_FCR1
BA0WRITE4(sc, CS4281_FCR1, (BA0READ4(sc,CS4281_FCR1) & ~FCRn_FEN));
BA0WRITE4(sc, CS4281_FCR1, dat32 | FCRn_PSH);
BA0WRITE4(sc, CS4281_FCR1, dat32 | FCRn_FEN);