[PATCH 4/4] ath9k: set radar config if switching to DFS channel

[Zefir Kurtisi <zefir.kurtisi@gmail.com>]

From: Zefir Kurtisi <zefir.kurtisi@neratec.com>


Signed-off-by: Zefir Kurtisi <zefir.kurtisi@neratec.com>
---
 drivers/net/wireless/ath/ath9k/main.c |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 3879485..0aeba88 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -371,6 +371,16 @@ static int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
 
 	r = ath_reset_internal(sc, hchan, false);
 
+	if ((r == 0) && (hchan->chan->flags & IEEE80211_CHAN_RADAR)) {
+		/* set HW specific DFS configuration if on DFS channel */
+		struct ath_hw *ah = sc->sc_ah;
+		struct ath_common *common = ath9k_hw_common(ah);
+
+		ath9k_hw_set_radar_params(ah);
+		ath_dbg(common, DFS, "DFS enabled for channel %d\n",
+			hchan->chan->center_freq);
+	}
+
 	return r;
 }
 
-- 
1.7.4.1