I2CADM_BUS_SCAN_ERROR
scan->scan_res = I2CADM_BUS_SCAN_ERROR;
case I2CADM_BUS_SCAN_ERROR:
return (results[i].scan_res == I2CADM_BUS_SCAN_ERROR);
if (results[i].scan_res != I2CADM_BUS_SCAN_ERROR)
scan->scan_res = I2CADM_BUS_SCAN_ERROR;