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mt76: mt76x2: fix external LNA gain settings 

Devices with external LNA need different values for AGC registers 8 and 9

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2019-03-03 15:10:00 +01:00
parent 7635276989
commit 45a042e302
1 changed files with 8 additions and 3 deletions
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11
drivers/net/wireless/mediatek/mt76/mt76x2/phy.c
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@ -260,10 +260,15 @@ mt76x2_phy_set_gain_val(struct mt76x02_dev *dev)
gain_val[0] = dev->cal.agc_gain_cur[0] - dev->cal.agc_gain_adjust;
gain_val[1] = dev->cal.agc_gain_cur[1] - dev->cal.agc_gain_adjust;
if (dev->mt76.chandef.width >= NL80211_CHAN_WIDTH_40)
val = 0x1836 << 16;
if (!mt76x2_has_ext_lna(dev) &&
dev->mt76.chandef.width >= NL80211_CHAN_WIDTH_40)
val = 0x1e42 << 16;
else
val = 0x1836 << 16;
if (mt76x2_has_ext_lna(dev) &&
dev->mt76.chandef.chan->band == NL80211_BAND_2GHZ &&
dev->mt76.chandef.width < NL80211_CHAN_WIDTH_40)
val = 0x0f36 << 16;
val |= 0xf8;