RT1320_BRA_WRITE
rt1320_data_rw(rt1320, 0, NULL, 0, RT1320_BRA_WRITE);
case RT1320_BRA_WRITE:
if (rw == RT1320_BRA_WRITE || rw == RT1320_BRA_READ) {
if (rw == RT1320_BRA_WRITE) {