COMM_BLOCK_IO 627 drivers/w1/masters/ds2490.c err = ds_send_control(dev, COMM_BLOCK_IO | COMM_IM, len); COMM_BLOCK_IO 648 drivers/w1/masters/ds2490.c err = ds_send_control(dev, COMM_BLOCK_IO | COMM_IM | dev->spu_bit, len);