From d8e12f315f81871d12356f1723fd9b5e1c3fcb9a Mon Sep 17 00:00:00 2001
From: Benjamin Li <benl@squareup.com>
Date: Mon, 25 Oct 2021 10:53:57 -0700
Subject: [PATCH] wcn36xx: switch on antenna diversity feature bit
Git-commit: d8e12f315f81871d12356f1723fd9b5e1c3fcb9a
Patch-mainline: v5.16-rc1
References: bsc#1206451

The official feature-complete WCN3680B driver (known as prima, open source
but not upstream) sends this feature bit.

As we wish to support the antenna diversity feature in upstream, we need
to set this bit as well.

Signed-off-by: Benjamin Li <benl@squareup.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20211025175359.3591048-2-benl@squareup.com
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/net/wireless/ath/wcn36xx/smd.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c b/drivers/net/wireless/ath/wcn36xx/smd.c
index e1f4a5d79af7..b18ab216d5cd 100644
--- a/drivers/net/wireless/ath/wcn36xx/smd.c
+++ b/drivers/net/wireless/ath/wcn36xx/smd.c
@@ -2476,8 +2476,10 @@ int wcn36xx_smd_feature_caps_exchange(struct wcn36xx *wcn)
 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_FEATURE_CAPS_EXCHANGE_REQ);
 
 	set_feat_caps(msg_body.feat_caps, STA_POWERSAVE);
-	if (wcn->rf_id == RF_IRIS_WCN3680)
+	if (wcn->rf_id == RF_IRIS_WCN3680) {
 		set_feat_caps(msg_body.feat_caps, DOT11AC);
+		set_feat_caps(msg_body.feat_caps, ANTENNA_DIVERSITY_SELECTION);
+	}
 
 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
 
-- 
2.35.3