rtl818x_pci: make RSSI code more readable
authorAndrea Merello <andrea.merello@gmail.com>
Sat, 31 May 2014 16:29:46 +0000 (18:29 +0200)
committerJohn W. Linville <linville@tuxdriver.com>
Thu, 19 Jun 2014 19:49:12 +0000 (15:49 -0400)
remove the if-else chains and use switch-case to make code more
readable and avoiding long lines that broke in several lines

Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/rtl818x/rtl8180/dev.c

index 2c1c02bafa10bbfe1f198279400a84ad08256bb4..c2dd5e636d285aca358603e1e3d3df3204ca8ce7 100644 (file)
@@ -209,7 +209,7 @@ static void rtl8180_handle_rx(struct ieee80211_hw *dev)
        struct rtl8180_priv *priv = dev->priv;
        struct rtl818x_rx_cmd_desc *cmd_desc;
        unsigned int count = 32;
-       u8 signal, agc, sq;
+       u8 agc, sq, signal = 1;
        dma_addr_t mapping;
 
        while (count--) {
@@ -266,18 +266,21 @@ static void rtl8180_handle_rx(struct ieee80211_hw *dev)
                        rx_status.rate_idx = (flags >> 20) & 0xF;
                        agc = (flags2 >> 17) & 0x7F;
 
-                       if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8185) {
+                       switch (priv->chip_family) {
+                       case RTL818X_CHIP_FAMILY_RTL8185:
                                if (rx_status.rate_idx > 3)
                                        signal = 90 - clamp_t(u8, agc, 25, 90);
                                else
                                        signal = 95 - clamp_t(u8, agc, 30, 95);
-                       } else if (priv->chip_family ==
-                                  RTL818X_CHIP_FAMILY_RTL8180) {
+                               break;
+                       case RTL818X_CHIP_FAMILY_RTL8180:
                                sq = flags2 & 0xff;
                                signal = priv->rf->calc_rssi(agc, sq);
-                       } else {
+                               break;
+                       case RTL818X_CHIP_FAMILY_RTL8187SE:
                                /* TODO: rtl8187se rssi */
                                signal = 10;
+                               break;
                        }
                        rx_status.signal = signal;
                        rx_status.freq = dev->conf.chandef.chan->center_freq;