DW_IC_SLAVE
case DW_IC_SLAVE:
if (mode == DW_IC_SLAVE && !dev->slave)
if (dev->mode == DW_IC_SLAVE)
if (dev->mode == DW_IC_SLAVE)
i2c_dw_set_mode(dev, DW_IC_SLAVE);
i2c_dw_set_mode(dev, DW_IC_SLAVE);