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wifi: mt76: mt7603: fix reading target power from eeprom

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If the ext-PA target power is unset, fall back to the standard EEPROM value.

Link: https://patch.msgid.link/20240827093011.18621-2-nbd@nbd.name
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau
2024-08-27 11:29:49 +02:00
parent 9b8d932053
commit 3dd99b8f20
1 changed files with 4 additions and 2 deletions
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drivers/net/wireless/mediatek/mt76/mt7603/init.c
+4 -2
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@@ -456,11 +456,13 @@ mt7603_init_txpower(struct mt7603_dev *dev,
int target_power = eeprom[MT_EE_TX_POWER_0_START_2G + 2] & ~BIT(7);
u8 *rate_power = &eeprom[MT_EE_TX_POWER_CCK];
bool ext_pa = eeprom[MT_EE_NIC_CONF_0 + 1] & BIT(1);
u8 ext_pa_pwr;
int max_offset, cur_offset;
int i;
if (ext_pa && is_mt7603(dev))
target_power = eeprom[MT_EE_TX_POWER_TSSI_OFF] & ~BIT(7);
ext_pa_pwr = eeprom[MT_EE_TX_POWER_TSSI_OFF];
if (ext_pa && is_mt7603(dev) && ext_pa_pwr != 0 && ext_pa_pwr != 0xff)
target_power = ext_pa_pwr & ~BIT(7);
if (target_power & BIT(6))
target_power = -(target_power & GENMASK(5, 0));