wifi: mt76: mt7921: fix wrong power after multiple SAR set

[ Upstream commit 7eefb93 ]

We should update CLC config before SAR set to synchronize all
related settings.

Fixes: 23bdc5d ("wifi: mt76: mt7921: introduce Country Location Control support")
Signed-off-by: YN Chen <YN.Chen@mediatek.com>
Signed-off-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>

drivers/net/wireless/mediatek/mt76/mt7921/init.c

@@ -37,6 +37,7 @@ mt7921_regd_notifier(struct wiphy *wiphy,
 
 	memcpy(dev->mt76.alpha2, request->alpha2, sizeof(dev->mt76.alpha2));
 	dev->mt76.region = request->dfs_region;
+	dev->country_ie_env = request->country_ie_env;
 
 	mt7921_mutex_acquire(dev);
 	mt7921_mcu_set_clc(dev, request->alpha2, request->country_ie_env);

drivers/net/wireless/mediatek/mt76/mt7921/main.c

@@ -1504,7 +1504,13 @@ static int mt7921_set_sar_specs(struct ieee80211_hw *hw,
 	int err;
 
 	mt7921_mutex_acquire(dev);
+	err = mt7921_mcu_set_clc(dev, dev->mt76.alpha2,
+				 dev->country_ie_env);
+	if (err < 0)
+		goto out;
+
 	err = mt7921_set_tx_sar_pwr(hw, sar);
+out:
 	mt7921_mutex_release(dev);
 
 	return err;

drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h

@@ -244,6 +244,8 @@ struct mt7921_dev {
 	struct work_struct ipv6_ns_work;
 	/* IPv6 addresses for WoWLAN */
 	struct sk_buff_head ipv6_ns_list;
+
+	enum environment_cap country_ie_env;
 };
 
 enum {