diff mbox series

[03/11] mt76: mt76x2: fix external LNA gain settings

Message ID 20190304080234.3221-3-nbd@nbd.name (mailing list archive)
State Accepted
Delegated to: Felix Fietkau
Headers show
Series [01/11] mt76: mt76x02: reduce false positives in ED/CCA tx blocking | expand

Commit Message

Felix Fietkau March 4, 2019, 8:02 a.m. UTC 
Devices with external LNA need different values for AGC registers 8 and 9

Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
 drivers/net/wireless/mediatek/mt76/mt76x2/phy.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/phy.c b/drivers/net/wireless/mediatek/mt76/mt76x2/phy.c
index 1848e8ab2e21..c7e71f2ba2a7 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2/phy.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2/phy.c
@@ -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;