From 63db9d4012af63b4cc8175ceb8eae8bcf6a8e8f3 Mon Sep 17 00:00:00 2001 From: Deren Wu Date: Fri, 20 May 2022 17:03:39 +0800 Subject: mt76: mt7921: introduce ACPI SAR config in tx power Add new function mt7921_set_tx_sar_pwr() to update SAR power from .set_sar_specs and ACPI setting. Both settings would be merged into mt76_freq_range_power for final tx power value. Reviewed-by: Sean Wang Co-developed-by: Ming Yen Hsieh Signed-off-by: Ming Yen Hsieh Signed-off-by: Deren Wu Signed-off-by: Felix Fietkau --- drivers/net/wireless/mediatek/mt76/mt7921/main.c | 31 +++++++++++++++++------- 1 file changed, 22 insertions(+), 9 deletions(-) (limited to 'drivers/net/wireless/mediatek/mt76/mt7921/main.c') diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/main.c b/drivers/net/wireless/mediatek/mt76/mt7921/main.c index 63583605d1cd..6b3e88f679f4 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/main.c @@ -257,7 +257,7 @@ int __mt7921_start(struct mt7921_phy *phy) if (err) return err; - err = mt76_connac_mcu_set_rate_txpower(phy->mt76); + err = mt7921_set_tx_sar_pwr(mphy->hw, NULL); if (err) return err; @@ -548,7 +548,7 @@ static int mt7921_config(struct ieee80211_hw *hw, u32 changed) mt7921_mutex_acquire(dev); if (changed & IEEE80211_CONF_CHANGE_POWER) { - ret = mt76_connac_mcu_set_rate_txpower(phy->mt76); + ret = mt7921_set_tx_sar_pwr(hw, NULL); if (ret) goto out; } @@ -1469,20 +1469,33 @@ static void mt7921_ipv6_addr_change(struct ieee80211_hw *hw, } #endif +int mt7921_set_tx_sar_pwr(struct ieee80211_hw *hw, + const struct cfg80211_sar_specs *sar) +{ + struct mt76_phy *mphy = hw->priv; + int err; + + if (sar) { + err = mt76_init_sar_power(hw, sar); + if (err) + return err; + } + + mt7921_init_acpi_sar_power(mt7921_hw_phy(hw), !sar); + + err = mt76_connac_mcu_set_rate_txpower(mphy); + + return err; +} + static int mt7921_set_sar_specs(struct ieee80211_hw *hw, const struct cfg80211_sar_specs *sar) { struct mt7921_dev *dev = mt7921_hw_dev(hw); - struct mt76_phy *mphy = hw->priv; int err; mt7921_mutex_acquire(dev); - err = mt76_init_sar_power(hw, sar); - if (err) - goto out; - - err = mt76_connac_mcu_set_rate_txpower(mphy); -out: + err = mt7921_set_tx_sar_pwr(hw, sar); mt7921_mutex_release(dev); return err; -- cgit