wl1251: add get_survey callback in order to get channel noise
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Acked-by: Kalle Valo <kvalo@adurom.com>
diff --git a/drivers/net/wireless/wl12xx/wl1251_rx.c b/drivers/net/wireless/wl12xx/wl1251_rx.c
index 8515158..1b6294b 100644
--- a/drivers/net/wireless/wl12xx/wl1251_rx.c
+++ b/drivers/net/wireless/wl12xx/wl1251_rx.c
@@ -74,6 +74,12 @@
status->signal = desc->rssi;
+ /*
+ * FIXME: guessing that snr needs to be divided by two, otherwise
+ * the values don't make any sense
+ */
+ wl->noise = desc->rssi - desc->snr / 2;
+
status->freq = ieee80211_channel_to_frequency(desc->channel);
status->flag |= RX_FLAG_TSFT;