ISMT_DESC_CWRL
desc->control |= ISMT_DESC_CWRL;
desc->control |= ISMT_DESC_CWRL;
desc->control |= ISMT_DESC_CWRL;
desc->control |= (ISMT_DESC_BLK | ISMT_DESC_CWRL);
desc->control |= (ISMT_DESC_I2C | ISMT_DESC_CWRL);