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wifi: mt76: add mt76_get_power_bound helper function

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This will replace mt7915_get_power_bound function from b/mt7915/mcu.h,
since we will need it also for mt7921 and mt7925

Signed-off-by: Razvan Grigore <razvan.grigore@vampirebyte.ro>
Link: https://patch.msgid.link/20250211081247.5892-2-razvan.grigore@vampirebyte.ro
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Razvan Grigore
2025-02-11 08:12:43 +00:00
committed by Felix Fietkau
parent 51ac8dbb70
commit 764bf16699
2 changed files with 13 additions and 0 deletions
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11
drivers/net/wireless/mediatek/mt76/mac80211.c
View File

@@ -1697,6 +1697,17 @@ void mt76_wcid_add_poll(struct mt76_dev *dev, struct mt76_wcid *wcid)
}
EXPORT_SYMBOL_GPL(mt76_wcid_add_poll);
s8 mt76_get_power_bound(struct mt76_phy *phy, s8 txpower)
{
int n_chains = hweight16(phy->chainmask);
txpower = mt76_get_sar_power(phy, phy->chandef.chan, txpower * 2);
txpower -= mt76_tx_power_nss_delta(n_chains);
return txpower;
}
EXPORT_SYMBOL_GPL(mt76_get_power_bound);
int mt76_get_txpower(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
unsigned int link_id, int *dbm)
{

2
drivers/net/wireless/mediatek/mt76/mt76.h
View File

@@ -1483,6 +1483,8 @@ void mt76_sta_pre_rcu_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
int mt76_get_min_avg_rssi(struct mt76_dev *dev, u8 phy_idx);
s8 mt76_get_power_bound(struct mt76_phy *phy, s8 txpower);
int mt76_get_txpower(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
unsigned int link_id, int *dbm);
int mt76_init_sar_power(struct ieee80211_hw *hw,