static void dm_ctrl_initgain_byrssi_by_fwfalse_alarm(struct net_device *dev);
 static void dm_initial_gain(struct net_device *dev);
 static void dm_pd_th(struct net_device *dev);
-static void dm_cs_ratio(struct net_device *dev);
+static void _rtl92e_dm_cs_ratio(struct net_device *dev);
 
 static void dm_init_ctstoself(struct net_device *dev);
 static void dm_Init_WA_Broadcom_IOT(struct net_device *dev);
        dm_digtable.rssi_val = priv->undecorated_smoothed_pwdb;
        dm_initial_gain(dev);
        dm_pd_th(dev);
-       dm_cs_ratio(dev);
+       _rtl92e_dm_cs_ratio(dev);
        if (dm_digtable.dig_algorithm_switch)
                dm_digtable.dig_algorithm_switch = 0;
        dm_digtable.PreSTAConnectState = dm_digtable.CurSTAConnectState;
        }
 }
 
-static void dm_cs_ratio(struct net_device *dev)
+static void _rtl92e_dm_cs_ratio(struct net_device *dev)
 {
        struct r8192_priv *priv = rtllib_priv(dev);
        static u8 initialized, force_write;