#define POWER_PROFILE_AC 0
 #define POWER_PROFILE_BATTERY 1
 
-typedef struct _link_detect_t {
-       u32 RxFrameNum[MAX_LD_SLOT_NUM]; /* number of Rx Frame.
-                                         * CheckForHang_period  to determine
-                                         * link status.
-                                         */
-       u16 SlotNum; /* number of CheckForHang period to determine link status,
-                     * default is 2.
-                     */
-       u16 SlotIndex;
-
-       u32 NumTxOkInPeriod; /* number of packet transmitted during
-                             * CheckForHang.
-                             */
-       u32 NumRxOkInPeriod; /* number of packet received during CheckForHang */
-
-       u8 IdleCount; /* (KEEP_ALIVE_INTERVAL / CHECK_FOR_HANG_PERIOD) */
-       u32 LastNumTxUnicast;
-       u32 LastNumRxUnicast;
-
-       bool bBusyTraffic; /* when it is set to 1, UI cann't scan at will. */
-} link_detect_t, *plink_detect_t;
+struct link_detect_t {
+       u32 rx_frame_num[MAX_LD_SLOT_NUM]; /* number of Rx Frame.
+                                           * CheckForHang_period  to determine
+                                           * link status.
+                                           */
+       u16 slot_num; /* number of CheckForHang period to determine link status,
+                      * default is 2.
+                      */
+       u16 slot_index;
+       u32 num_tx_ok_in_period; /* number of packet transmitted during
+                                 * CheckForHang.
+                                 */
+       u32 num_rx_ok_in_period; /* number of packet received during
+                                 * CheckForHang.
+                                 */
+       u8 idle_count; /* (KEEP_ALIVE_INTERVAL / CHECK_FOR_HANG_PERIOD) */
+       u32 last_num_tx_unicast;
+       u32 last_num_rx_unicast;
+
+       bool b_busy_traffic; /* when it is set to 1, UI cann't scan at will. */
+};
 
 /* YJ,modified,080828,end */
 
        short promisc;
        /* stats */
        struct stats stats;
-       struct _link_detect_t link_detect; /* YJ,add,080828 */
+       struct link_detect_t link_detect; /* YJ,add,080828 */
        struct iw_statistics wstats;
 
        /* RX stuff. */
 
        memset(pstats, 0, sizeof(struct stats));
 }
 
-static void rtl8180_link_detect_init(plink_detect_t plink_detect)
+static void rtl8180_link_detect_init(struct link_detect_t *plink_detect)
 {
-       memset(plink_detect, 0, sizeof(link_detect_t));
-       plink_detect->SlotNum = DEFAULT_SLOT_NUM;
+       memset(plink_detect, 0, sizeof(struct link_detect_t));
+       plink_detect->slot_num = DEFAULT_SLOT_NUM;
 }
 
 /* YJ,add,080828,end */
                 */
 
                if ((priv->keepAliveLevel == 2) ||
-                       (priv->link_detect.LastNumTxUnicast == priv->NumTxUnicast &&
-                       priv->link_detect.LastNumRxUnicast == priv->ieee80211->NumRxUnicast)
+                       (priv->link_detect.last_num_tx_unicast == priv->NumTxUnicast &&
+                       priv->link_detect.last_num_rx_unicast == priv->ieee80211->NumRxUnicast)
                        ) {
-                       priv->link_detect.IdleCount++;
+                       priv->link_detect.idle_count++;
 
                        /*
                         * Send a Keep-Alive packet packet to AP if we had been idle for a while.
                         */
-                       if (priv->link_detect.IdleCount >= ((KEEP_ALIVE_INTERVAL / CHECK_FOR_HANG_PERIOD)-1)) {
-                               priv->link_detect.IdleCount = 0;
+                       if (priv->link_detect.idle_count >= ((KEEP_ALIVE_INTERVAL / CHECK_FOR_HANG_PERIOD)-1)) {
+                               priv->link_detect.idle_count = 0;
                                ieee80211_sta_ps_send_null_frame(priv->ieee80211, false);
                        }
                } else {
-                       priv->link_detect.IdleCount = 0;
+                       priv->link_detect.idle_count = 0;
                }
-               priv->link_detect.LastNumTxUnicast = priv->NumTxUnicast;
-               priv->link_detect.LastNumRxUnicast = priv->ieee80211->NumRxUnicast;
+               priv->link_detect.last_num_tx_unicast = priv->NumTxUnicast;
+               priv->link_detect.last_num_rx_unicast = priv->ieee80211->NumRxUnicast;
        }
 }
 
        }
        /* YJ,add,080828,for link state check */
        if ((priv->ieee80211->state == IEEE80211_LINKED) && (priv->ieee80211->iw_mode == IW_MODE_INFRA)) {
-               SlotIndex = (priv->link_detect.SlotIndex++) % priv->link_detect.SlotNum;
-               priv->link_detect.RxFrameNum[SlotIndex] = priv->ieee80211->NumRxDataInPeriod + priv->ieee80211->NumRxBcnInPeriod;
-               for (i = 0; i < priv->link_detect.SlotNum; i++)
-                       TotalRxNum += priv->link_detect.RxFrameNum[i];
+               SlotIndex = (priv->link_detect.slot_index++) % priv->link_detect.slot_num;
+               priv->link_detect.rx_frame_num[SlotIndex] = priv->ieee80211->NumRxDataInPeriod + priv->ieee80211->NumRxBcnInPeriod;
+               for (i = 0; i < priv->link_detect.slot_num; i++)
+                       TotalRxNum += priv->link_detect.rx_frame_num[i];
 
                if (TotalRxNum == 0) {
                        priv->ieee80211->state = IEEE80211_ASSOCIATING;
        LeisurePSLeave(priv);
 
        if (priv->ieee80211->state == IEEE80211_LINKED) {
-               priv->link_detect.NumRxOkInPeriod = priv->ieee80211->NumRxDataInPeriod;
-               if (priv->link_detect.NumRxOkInPeriod > 666 ||
-                       priv->link_detect.NumTxOkInPeriod > 666) {
+               priv->link_detect.num_rx_ok_in_period = priv->ieee80211->NumRxDataInPeriod;
+               if (priv->link_detect.num_rx_ok_in_period > 666 ||
+                       priv->link_detect.num_tx_ok_in_period > 666) {
                        bBusyTraffic = true;
                }
-               if (((priv->link_detect.NumRxOkInPeriod + priv->link_detect.NumTxOkInPeriod) > 8)
-                       || (priv->link_detect.NumRxOkInPeriod > 2)) {
+               if (((priv->link_detect.num_rx_ok_in_period + priv->link_detect.num_tx_ok_in_period) > 8)
+                       || (priv->link_detect.num_rx_ok_in_period > 2)) {
                        bEnterPS = false;
                } else
                        bEnterPS = true;
                        LeisurePSLeave(priv);
        } else
                LeisurePSLeave(priv);
-       priv->link_detect.bBusyTraffic = bBusyTraffic;
-       priv->link_detect.NumRxOkInPeriod = 0;
-       priv->link_detect.NumTxOkInPeriod = 0;
+       priv->link_detect.b_busy_traffic = bBusyTraffic;
+       priv->link_detect.num_rx_ok_in_period = 0;
+       priv->link_detect.num_tx_ok_in_period = 0;
        priv->ieee80211->NumRxDataInPeriod = 0;
        priv->ieee80211->NumRxBcnInPeriod = 0;
 }
        }
 
        if (inta & ISR_THPDOK) { /* High priority tx ok */
-               priv->link_detect.NumTxOkInPeriod++; /* YJ,add,080828 */
+               priv->link_detect.num_tx_ok_in_period++; /* YJ,add,080828 */
                priv->stats.txhpokint++;
                rtl8180_tx_isr(dev, HI_PRIORITY, 0);
        }
                priv->stats.txoverflow++;
 
        if (inta & ISR_TNPDOK) { /* Normal priority tx ok */
-               priv->link_detect.NumTxOkInPeriod++; /* YJ,add,080828 */
+               priv->link_detect.num_tx_ok_in_period++; /* YJ,add,080828 */
                priv->stats.txnpokint++;
                rtl8180_tx_isr(dev, NORM_PRIORITY, 0);
                rtl8180_try_wake_queue(dev, NORM_PRIORITY);
        }
 
        if (inta & ISR_TLPDOK) { /* Low priority tx ok */
-               priv->link_detect.NumTxOkInPeriod++; /* YJ,add,080828 */
+               priv->link_detect.num_tx_ok_in_period++; /* YJ,add,080828 */
                priv->stats.txlpokint++;
                rtl8180_tx_isr(dev, LOW_PRIORITY, 0);
                rtl8180_try_wake_queue(dev, LOW_PRIORITY);
 
        if (inta & ISR_TBKDOK) { /* corresponding to BK_PRIORITY */
                priv->stats.txbkpokint++;
-               priv->link_detect.NumTxOkInPeriod++; /* YJ,add,080828 */
+               priv->link_detect.num_tx_ok_in_period++; /* YJ,add,080828 */
                rtl8180_tx_isr(dev, BK_PRIORITY, 0);
                rtl8180_try_wake_queue(dev, BE_PRIORITY);
        }
 
        if (inta & ISR_TBEDOK) { /* corresponding to BE_PRIORITY */
                priv->stats.txbeperr++;
-               priv->link_detect.NumTxOkInPeriod++; /* YJ,add,080828 */
+               priv->link_detect.num_tx_ok_in_period++; /* YJ,add,080828 */
                rtl8180_tx_isr(dev, BE_PRIORITY, 0);
                rtl8180_try_wake_queue(dev, BE_PRIORITY);
        }