wcn36xx: switch on antenna diversity feature bit

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

diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c b/drivers/net/wireless/ath/wcn36xx/smd.c
index e1f4a5d..b18ab21 100644 (file)
--- 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);