gitops/mt76
1
0
Fork 0
mirror of https://github.com/outbackdingo/mt76.git synced 2026-10-24 13:26:48 +00:00
Code Issues Packages Projects Releases Wiki Activity

mt76: mt76x02: introduce SAR support

Browse Source 
Add SAR spec support to mt76x02 driver to allow configuring SAR power
limitations on the frequency ranges from the userland.

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Lorenzo Bianconi
2021-11-22 16:05:20 +01:00
committed by Felix Fietkau
parent bc6798f729
commit b1d0ad2e74
13 changed files with 101 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files
mt76x2/init.c
+29
View File
@@ -8,6 +8,35 @@
#include "eeprom.h"
#include "../mt76x02_phy.h"
int mt76x2_set_sar_specs(struct ieee80211_hw *hw,
const struct cfg80211_sar_specs *sar)
{
int err = -EINVAL, power = hw->conf.power_level * 2;
struct mt76x02_dev *dev = hw->priv;
struct mt76_phy *mphy = &dev->mphy;
mutex_lock(&dev->mt76.mutex);
if (!cfg80211_chandef_valid(&mphy->chandef))
goto out;
err = mt76_init_sar_power(hw, sar);
if (err)
goto out;
dev->txpower_conf = mt76_get_sar_power(mphy, mphy->chandef.chan,
power);
/* convert to per-chain power for 2x2 devices */
dev->txpower_conf -= 6;
if (test_bit(MT76_STATE_RUNNING, &mphy->state))
mt76x2_phy_set_txpower(dev);
out:
mutex_unlock(&dev->mt76.mutex);
return err;
}
EXPORT_SYMBOL_GPL(mt76x2_set_sar_specs);
static void
mt76x2_set_wlan_state(struct mt76x02_dev *dev, bool enable)
{