ath9k: Handle chainmask for A9280

The default chainmask for AR9280 is 3, so handle that when setting
the supported MCS rates. Also, check for the HW supported chainmask
when choosing single/dual stream.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c
index ede8980be962..04a605103719 100644
--- a/drivers/net/wireless/ath9k/main.c
+++ b/drivers/net/wireless/ath9k/main.c
@@ -876,6 +876,7 @@ static void setup_ht_cap(struct ath_softc *sc,
         case 1:
                 ht_info->mcs.rx_mask[0] = 0xff;
                 break;
+        case 3:
         case 5:
         case 7:
         default: