ath9k: use the new channel noise value for signal strength and survey info

Signed-off-by: Felix Fietkau <[e-mail]>
Signed-off-by: John W. Linville <[e-mail]>

drivers/net/wireless/ath/ath9k/main.c

···
 
 	if (chan->noisefloor) {
 		survey->filled |= SURVEY_INFO_NOISE_DBM;
-		survey->noise = chan->noisefloor;
+		survey->noise = ath9k_hw_getchan_noise(ah, chan);
 	}
 }
 

drivers/net/wireless/ath/ath9k/recv.c

···
 				   struct ieee80211_rx_status *rx_status,
 				   bool *decrypt_error)
 {
+	struct ath_hw *ah = common->ah;
+
 	memset(rx_status, 0, sizeof(struct ieee80211_rx_status));
 
 	/*
···
 
 	rx_status->band = hw->conf.channel->band;
 	rx_status->freq = hw->conf.channel->center_freq;
-	rx_status->signal = ATH_DEFAULT_NOISE_FLOOR + rx_stats->rs_rssi;
+	rx_status->signal = ah->noise + rx_stats->rs_rssi;
 	rx_status->antenna = rx_stats->rs_antenna;
 	rx_status->flag |= RX_FLAG_MACTIME_MPDU;