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From: Felix Fietkau <nbd@nbd.name>
To: linux-wireless@vger.kernel.org
Subject: [PATCH 03/11] mt76: mt76x2: fix external LNA gain settings
Date: Mon,  4 Mar 2019 09:02:26 +0100	[thread overview]
Message-ID: <20190304080234.3221-3-nbd@nbd.name> (raw)
In-Reply-To: <20190304080234.3221-1-nbd@nbd.name>

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 --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;
 
-- 
2.17.0


  parent reply	other threads:[~2019-03-04  8:02 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-04  8:02 [PATCH 01/11] mt76: mt76x02: reduce false positives in ED/CCA tx blocking Felix Fietkau
2019-03-04  8:02 ` [PATCH 02/11] mt76: mt7603: fix tx status HT rate validation Felix Fietkau
2019-03-04  8:02 ` Felix Fietkau [this message]
2019-03-04  8:02 ` [PATCH 04/11] mt76: mt76x2: fix 2.4 GHz channel gain settings Felix Fietkau
2019-03-04  8:02 ` [PATCH 05/11] mt76: mt7603: clear ps filtering mode before releasing buffered frames Felix Fietkau
2019-03-04  8:02 ` [PATCH 06/11] mt76: mt7603: fix up hardware queue index for PS filtered packets Felix Fietkau
2019-03-04  8:02 ` [PATCH 07/11] mt76: mt7603: notify mac80211 about buffered frames in ps queue Felix Fietkau
2019-03-04  8:02 ` [PATCH 08/11] mt76: mt7603: clear the service period on releasing PS filtered packets Felix Fietkau
2019-03-04  8:02 ` [PATCH 09/11] mt76: when releasing PS frames, end the service period if no frame was found Felix Fietkau
2019-03-04  8:02 ` [PATCH 10/11] mt76: mt76x02: disable ED/CCA by default Felix Fietkau
2019-03-04  8:02 ` [PATCH 11/11] mt76: mt7603: set moredata flag when queueing ps-filtered packets Felix Fietkau

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