wifi: mt76: mt7915: add support for disabling in-band discovery

Send an update to the MCU whenever the settings change
Signed-off-by: MeiChia Chiu <MeiChia.Chiu@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7915/mcu.c

@@ -1919,8 +1919,7 @@ mt7915_mcu_add_inband_discov(struct mt7915_dev *dev, struct ieee80211_vif *vif,
 	bcn = (struct bss_info_bcn *)tlv;
 	bcn->enable = true;
 
-	if (changed & BSS_CHANGED_FILS_DISCOVERY &&
-	    vif->bss_conf.fils_discovery.max_interval) {
+	if (changed & BSS_CHANGED_FILS_DISCOVERY) {
 		interval = vif->bss_conf.fils_discovery.max_interval;
 		skb = ieee80211_get_fils_discovery_tmpl(hw, vif);
 	} else if (changed & BSS_CHANGED_UNSOL_BCAST_PROBE_RESP &&
@@ -1957,7 +1956,7 @@ mt7915_mcu_add_inband_discov(struct mt7915_dev *dev, struct ieee80211_vif *vif,
 	discov->tx_type = !!(changed & BSS_CHANGED_FILS_DISCOVERY);
 	discov->tx_interval = interval;
 	discov->prob_rsp_len = cpu_to_le16(MT_TXD_SIZE + skb->len);
-	discov->enable = true;
+	discov->enable = !!interval;
 
 	buf = (u8 *)sub_tlv + sizeof(*discov);