mt76: mt7915: fix tssi indication field of DBDC NICs

[ Upstream commit 64cf5ad3c2fa841e4b416343a7ea69c63d60fa4e ]

Correct the bitfield which indicates TSSI on/off for MT7915D NIC.

Signed-off-by: Evelyn Tsai <evelyn.tsai@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h
index 3ee8c27bb61b716203f9fe2a3d25fbbb77991fdc..40a51d99a7814ac2664d12d07db007f749fca2e1 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h
@@ -116,12 +116,15 @@ static inline bool
 mt7915_tssi_enabled(struct mt7915_dev *dev, enum nl80211_band band)
 {
        u8 *eep = dev->mt76.eeprom.data;
+       u8 val = eep[MT_EE_WIFI_CONF + 7];
 
-       /* TODO: DBDC */
-       if (band == NL80211_BAND_5GHZ)
-               return eep[MT_EE_WIFI_CONF + 7] & MT_EE_WIFI_CONF7_TSSI0_5G;
+       if (band == NL80211_BAND_2GHZ)
+               return val & MT_EE_WIFI_CONF7_TSSI0_2G;
+
+       if (dev->dbdc_support)
+               return val & MT_EE_WIFI_CONF7_TSSI1_5G;
        else
-               return eep[MT_EE_WIFI_CONF + 7] & MT_EE_WIFI_CONF7_TSSI0_2G;
+               return val & MT_EE_WIFI_CONF7_TSSI0_5G;
 }
 
 extern const struct sku_group mt7915_sku_groups[];