[RFC 5/6] ath9k: enable DFS pulse detection

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

Signed-off-by: Zefir Kurtisi <zefir.kurtisi@neratec.com>
---
 drivers/net/wireless/ath/ath9k/main.c |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index e8aeb98..5defebe 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -344,6 +344,18 @@ static int ath_reset_internal(struct ath_softc *sc, struct ath9k_channel *hchan,
 			"Unable to reset channel, reset status %d\n", r);
 		goto out;
 	}
+#ifdef CONFIG_ATH9K_DFS
+	/**
+	 * enable radar pulse detection
+	 *
+	 * TODO: do this only for DFS channels
+	 */
+	ah->private_ops.set_radar_params(ah, &ah->radar_conf);
+	ath9k_hw_setrxfilter(ah,
+			ath9k_hw_getrxfilter(ah) | ATH9K_RX_FILTER_PHYRADAR);
+	ath_dbg(common, ATH_DBG_DFS,
+		"DFS enabled for channel %d\n", hchan->chan->center_freq);
+#endif
 
 	if (!ath_complete_reset(sc, true))
 		r = -EIO;
-- 
1.7.4.1