[PATCH 3/3] mt76: mt7921: introduce BIOS SAR config in tx power

[Deren Wu]

Hi Felix,

On Thu, 2022-05-19 at 17:33 +0200, Felix Fietkau wrote:
> On 19.05.22 08:38, Deren Wu wrote:
> > From: Deren Wu <deren.wu at mediatek.com>
> > 
> > Add new function mt7921_set_tx_sar_pwr() to update SAR power from
> > .set_sar_specs and BIOS setting. Both settings would be merged into
> > mt76_freq_range_power for final tx power value.
> > 
> > Reviewed-by: Sean Wang <sean.wang at mediatek.com>
> > Co-developed-by: Ming Yen Hsieh <mingyen.hsieh at mediatek.com>
> > Signed-off-by: Ming Yen Hsieh <mingyen.hsieh at mediatek.com>
> > Signed-off-by: Deren Wu <deren.wu at mediatek.com>
> > ---
> >   .../net/wireless/mediatek/mt76/mt7921/init.c  |  3 +-
> >   .../net/wireless/mediatek/mt76/mt7921/main.c  | 32 +++++++++++++-
> > -----
> >   .../wireless/mediatek/mt76/mt7921/mt7921.h    |  2 ++
> >   3 files changed, 26 insertions(+), 11 deletions(-)
> > 
> > diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/main.c
> > b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
> > index 80279f342109..c86d8805f291 100644
> > --- a/drivers/net/wireless/mediatek/mt76/mt7921/main.c
> > +++ b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
> > @@ -1469,20 +1469,34 @@ 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_bios_sar_power(mt7921_hw_phy(hw), !sar);
> > +
> > +	err = mt76_connac_mcu_set_rate_txpower(mphy);
> > +
> > +	return err;
> > +}
> > +EXPORT_SYMBOL_GPL(mt7921_set_tx_sar_pwr);
> 
> Why is this exported?

Thanks for pointing out. I will remove unnecessary export in next
version.


Regards,
Deren

> 
> - Felix
> 
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