RTL818X_RX_CONF_CSDM1
reg |= RTL818X_RX_CONF_CSDM1 | RTL818X_RX_CONF_CSDM2;
? RTL818X_RX_CONF_CSDM1 : 0;
reg &= ~(RTL818X_RX_CONF_CSDM1 | RTL818X_RX_CONF_CSDM2);