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authorAndrea Merello <andrea.merello@gmail.com>2014-05-31 18:29:46 +0200
committerJohn W. Linville <linville@tuxdriver.com>2014-06-19 21:49:12 +0200
commitafbedbf7dfc0ebff0ea3280530fe0609fd307486 (patch)
treeb9e8d346cff09f8fe7819653b62bb06a88f1b999 /drivers/net/wireless/rtl818x
parentcw1200: Remove useless return variables (diff)
downloadlinux-afbedbf7dfc0ebff0ea3280530fe0609fd307486.tar.xz
linux-afbedbf7dfc0ebff0ea3280530fe0609fd307486.zip
rtl818x_pci: make RSSI code more readable
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>
Diffstat (limited to 'drivers/net/wireless/rtl818x')
-rw-r--r--drivers/net/wireless/rtl818x/rtl8180/dev.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/net/wireless/rtl818x/rtl8180/dev.c b/drivers/net/wireless/rtl818x/rtl8180/dev.c
index 2c1c02bafa10..c2dd5e636d28 100644
--- a/drivers/net/wireless/rtl818x/rtl8180/dev.c
+++ b/drivers/net/wireless/rtl818x/rtl8180/dev.c
@@ -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;