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path: root/drivers/net/wireless/rtl818x/rtl8180_grf5101.c
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Diffstat (limited to 'drivers/net/wireless/rtl818x/rtl8180_grf5101.c')
-rw-r--r--drivers/net/wireless/rtl818x/rtl8180_grf5101.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/net/wireless/rtl818x/rtl8180_grf5101.c b/drivers/net/wireless/rtl818x/rtl8180_grf5101.c
index 947ee55f18b2..5cab9dfa8c07 100644
--- a/drivers/net/wireless/rtl818x/rtl8180_grf5101.c
+++ b/drivers/net/wireless/rtl818x/rtl8180_grf5101.c
@@ -69,6 +69,15 @@ static void grf5101_write_phy_antenna(struct ieee80211_hw *dev, short chan)
rtl8180_write_phy(dev, 0x10, ant);
}
+static u8 grf5101_rf_calc_rssi(u8 agc, u8 sq)
+{
+ if (agc > 60)
+ return 65;
+
+ /* TODO(?): just return agc (or agc + 5) to avoid mult / div */
+ return 65 * agc / 60;
+}
+
static void grf5101_rf_set_channel(struct ieee80211_hw *dev,
struct ieee80211_conf *conf)
{
@@ -176,5 +185,6 @@ const struct rtl818x_rf_ops grf5101_rf_ops = {
.name = "GCT",
.init = grf5101_rf_init,
.stop = grf5101_rf_stop,
- .set_chan = grf5101_rf_set_channel
+ .set_chan = grf5101_rf_set_channel,
+ .calc_rssi = grf5101_rf_calc_rssi,
};