rt2800: make rx ampdu_factor depend on number of rx chains

Initalize max ampdu_factor supported by us based on rx chains, vendor
driver do the same.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
index 4fb79e0..03b7f8e 100644 (file)
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
@@ -7593,7 +7593,7 @@ static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 
        spec->ht.cap |= rx_chains << IEEE80211_HT_CAP_RX_STBC_SHIFT;
 
-       spec->ht.ampdu_factor = 3;
+       spec->ht.ampdu_factor = (rx_chains > 1) ? 3 : 2;
        spec->ht.ampdu_density = 4;
        spec->ht.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
        if (tx_chains != rx_chains) {