diff options
| author | John W. Linville <linville@tuxdriver.com> | 2010-07-21 16:26:40 -0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-07-26 15:09:03 -0400 |
| commit | 8b73fb8e29e9ae0458d36cc0dc25e2717587dfd4 (patch) | |
| tree | a711485ca5e49078386f624ecbf4942288b77d89 /drivers/net/wireless/rtl818x/rtl8180_max2820.c | |
| parent | 1ab36d68e37faa431d99a07cbfb477a48879934e (diff) | |
rtl8180: improve signal reporting for actual rtl8180 hardware
Adapted from Realtek-provided driver...
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Tested-by: Pauli Nieminen <suokkos@gmail.com>
Diffstat (limited to 'drivers/net/wireless/rtl818x/rtl8180_max2820.c')
| -rw-r--r-- | drivers/net/wireless/rtl818x/rtl8180_max2820.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/net/wireless/rtl818x/rtl8180_max2820.c b/drivers/net/wireless/rtl818x/rtl8180_max2820.c index 6c825fd7f3b6..16c4655181c0 100644 --- a/drivers/net/wireless/rtl818x/rtl8180_max2820.c +++ b/drivers/net/wireless/rtl818x/rtl8180_max2820.c @@ -74,6 +74,22 @@ static void max2820_write_phy_antenna(struct ieee80211_hw *dev, short chan) rtl8180_write_phy(dev, 0x10, ant); } +static u8 max2820_rf_calc_rssi(u8 agc, u8 sq) +{ + bool odd; + + odd = !!(agc & 1); + + agc >>= 1; + if (odd) + agc += 76; + else + agc += 66; + + /* TODO: change addends above to avoid mult / div below */ + return 65 * agc / 100; +} + static void max2820_rf_set_channel(struct ieee80211_hw *dev, struct ieee80211_conf *conf) { @@ -148,5 +164,6 @@ const struct rtl818x_rf_ops max2820_rf_ops = { .name = "Maxim", .init = max2820_rf_init, .stop = max2820_rf_stop, - .set_chan = max2820_rf_set_channel + .set_chan = max2820_rf_set_channel, + .calc_rssi = max2820_rf_calc_rssi, }; |