2023-09-19 13:00:19

by Shiji Yang

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Subject: [PATCH] wifi: mt76: mt76x02: correct external LNA gain

Referring to the MT761{0,2} EEPROM content, setting the corresponding
EEPROM control bit means enabling external LNA. In this case, we
should use the EEMROM LNA gain instead of 0.

Signed-off-by: Shiji Yang <[email protected]>
---
drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.c b/drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.c
index 0acabba2d..a0b95509a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.c
@@ -135,9 +135,9 @@ u8 mt76x02_get_lna_gain(struct mt76x02_dev *dev,
u8 lna;

val = mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_1);
- if (val & MT_EE_NIC_CONF_1_LNA_EXT_2G)
+ if (!(val & MT_EE_NIC_CONF_1_LNA_EXT_2G))
*lna_2g = 0;
- if (val & MT_EE_NIC_CONF_1_LNA_EXT_5G)
+ if (!(val & MT_EE_NIC_CONF_1_LNA_EXT_5G))
memset(lna_5g, 0, sizeof(s8) * 3);

if (chan->band == NL80211_BAND_2GHZ)
--
2.39.2