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rtl818x_pci: make RSSI code more readable

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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>
This commit is contained in:
Andrea Merello 2014-05-31 18:29:46 +02:00 committed by John W. Linville
parent 69253b6108
commit afbedbf7df
1 changed files with 8 additions and 5 deletions
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13
drivers/net/wireless/rtl818x/rtl8180/dev.c
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@ -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;