From 647f71719101d8b623b1a7e8d7ba05845e8649aa Mon Sep 17 00:00:00 2001
From: MeiChia Chiu <meichia.chiu@mediatek.com>
Date: Wed, 12 Apr 2023 15:53:42 +0800
Subject: [PATCH] wifi: mt76: mt7915: fix the beamformer issue

without this patch, when ap sets the tx stream number to 2,
ap doesn't send any beamform packets.

Signed-off-by: MeiChia Chiu <MeiChia.Chiu@mediatek.com>
---
 mt7915/mcu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mt7915/mcu.c b/mt7915/mcu.c
index 03ae3bc..927d932 100644
--- a/mt7915/mcu.c
+++ b/mt7915/mcu.c
@@ -1008,13 +1008,13 @@ mt7915_is_ebf_supported(struct mt7915_phy *phy, struct ieee80211_vif *vif,
 			struct ieee80211_sta *sta, bool bfee)
 {
 	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
-	int tx_ant = hweight8(phy->mt76->chainmask) - 1;
+	int sts = hweight16(phy->mt76->chainmask);
 
 	if (vif->type != NL80211_IFTYPE_STATION &&
 	    vif->type != NL80211_IFTYPE_AP)
 		return false;
 
-	if (!bfee && tx_ant < 2)
+	if (!bfee && sts < 2)
 		return false;
 
 	if (sta->deflink.he_cap.has_he) {
-- 
2.39.0