linux-kernel - [PATCH 3/7] rtl8xxxu: Enable RX STBC by default

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Date:   Fri, 14 May 2021 04:04:38 +0200
From:   Reto Schneider <code@...o-schneider.ch>
To:     Jes.Sorensen@...il.com, linux-wireless@...r.kernel.org,
        pkshih@...ltek.com
Cc:     yhchuang@...ltek.com, Larry.Finger@...inger.net,
        tehuang@...ltek.com, reto.schneider@...qvarnagroup.com,
        ccchiu77@...il.com, kvalo@...eaurora.org, davem@...emloft.net,
        kuba@...nel.org, Chris Chiu <chiu@...lessos.org>,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH 3/7] rtl8xxxu: Enable RX STBC by default

From: Chris Chiu <chiu@...lessos.org>

(cherry picked from commit f740aef70abe336c63b9a20c5603402dc90cdfee)
Signed-off-by: Reto Schneider <reto.schneider@...qvarnagroup.com>
---

 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
index 585018383712..d5c53d6dec33 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
@@ -6821,6 +6821,8 @@ static int rtl8xxxu_probe(struct usb_interface *interface,
 		sband->ht_cap.mcs.rx_mask[1] = 0xff;
 		sband->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
 	}
+	/* only one spatial-stream STBC RX supported */
+	sband->ht_cap.cap |= (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT);
 	sband->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
 	/*
 	 * Some APs will negotiate HT20_40 in a noisy environment leading
-- 
2.29.2