1 files changed, 20 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index aad370a7f95b..893b552981a0 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -2044,6 +2044,25 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw,
         return ret;
 }
 
+static int ath9k_get_survey(struct ieee80211_hw *hw, int idx,
+                             struct survey_info *survey)
+{
+        struct ath_wiphy *aphy = hw->priv;
+        struct ath_softc *sc = aphy->sc;
+        struct ath_hw *ah = sc->sc_ah;
+        struct ath_common *common = ath9k_hw_common(ah);
+        struct ieee80211_conf *conf = &hw->conf;
+
+         if (idx != 0)
+                return -ENOENT;
+
+        survey->channel = conf->channel;
+        survey->filled = SURVEY_INFO_NOISE_DBM;
+        survey->noise = common->ani.noise_floor;
+
+        return 0;
+}
+
 static void ath9k_sw_scan_start(struct ieee80211_hw *hw)
 {
         struct ath_wiphy *aphy = hw->priv;
@@ -2115,6 +2134,7 @@ struct ieee80211_ops ath9k_ops = {
         .set_tsf            = ath9k_set_tsf,
         .reset_tsf          = ath9k_reset_tsf,
         .ampdu_action       = ath9k_ampdu_action,
+        .get_survey         = ath9k_get_survey,
         .sw_scan_start      = ath9k_sw_scan_start,
         .sw_scan_complete   = ath9k_sw_scan_complete,
         .rfkill_poll        = ath9k_rfkill_poll_state,