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| author | Shayne Chen <shayne.chen@mediatek.com> | 2021-04-01 10:31:29 +0800 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2021-04-12 00:03:06 +0200 |
| commit | a226ccd04c479ccd23d6927c64bad1b441707f70 (patch) | |
| tree | 71bfd6ba3f61a5e343b0dfa82a5fcd8fafcc0e11 /drivers/net/wireless/mediatek/mt76/mt7915 | |
| parent | 2df51a2b7a256b242a91450325c143faae13f234 (diff) | |
| download | linux-stable-a226ccd04c479ccd23d6927c64bad1b441707f70.tar.gz linux-stable-a226ccd04c479ccd23d6927c64bad1b441707f70.tar.bz2 linux-stable-a226ccd04c479ccd23d6927c64bad1b441707f70.zip | |
mt76: mt7915: fix txpower init for TSSI off chips
Fix incorrect txpower init value for TSSI off chips which causes
too small txpower.
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7915')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c index 660398ac53c2..738ecf8f4fa2 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c @@ -124,7 +124,7 @@ int mt7915_eeprom_get_target_power(struct mt7915_dev *dev, struct ieee80211_channel *chan, u8 chain_idx) { - int index; + int index, target_power; bool tssi_on; if (chain_idx > 3) @@ -133,15 +133,22 @@ int mt7915_eeprom_get_target_power(struct mt7915_dev *dev, tssi_on = mt7915_tssi_enabled(dev, chan->band); if (chan->band == NL80211_BAND_2GHZ) { - index = MT_EE_TX0_POWER_2G + chain_idx * 3 + !tssi_on; + index = MT_EE_TX0_POWER_2G + chain_idx * 3; + target_power = mt7915_eeprom_read(dev, index); + + if (!tssi_on) + target_power += mt7915_eeprom_read(dev, index + 1); } else { - int group = tssi_on ? - mt7915_get_channel_group(chan->hw_value) : 8; + int group = mt7915_get_channel_group(chan->hw_value); + + index = MT_EE_TX0_POWER_5G + chain_idx * 12; + target_power = mt7915_eeprom_read(dev, index + group); - index = MT_EE_TX0_POWER_5G + chain_idx * 12 + group; + if (!tssi_on) + target_power += mt7915_eeprom_read(dev, index + 8); } - return mt7915_eeprom_read(dev, index); + return target_power; } static const u8 sku_cck_delta_map[] = { |