TWE_CMD_DATAIN
tr->tr_flags |= TWE_CMD_DATAIN;
tr->tr_flags |= TWE_CMD_DATAIN | TWE_CMD_DATAOUT;
tr->tr_flags = TWE_CMD_DATAIN | TWE_CMD_DATAOUT;
tr->tr_flags = TWE_CMD_DATAIN | TWE_CMD_DATAOUT;
if (tr->tr_flags & TWE_CMD_DATAIN) {
if (tr->tr_flags & TWE_CMD_DATAIN) {