From 7a12e06dacdcf2db82e11d6be42e66e366b467d6 Mon Sep 17 00:00:00 2001 From: Shayne Chen Date: Fri, 30 Sep 2022 23:13:15 +0800 Subject: [PATCH] wifi: mt76: mt7915: set correct antenna for radar detection on MT7915D For MT7915D, correct antenna index should be set to let DFS radar detection work on the 5 GHz band. Signed-off-by: Shayne Chen Signed-off-by: Felix Fietkau --- drivers/net/wireless/mediatek/mt76/mt7915/mac.c | 15 +++++++++++++++ .../net/wireless/mediatek/mt76/mt7915/mt7915.h | 1 + 2 files changed, 16 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c index 89a3810ee53f5..d0285a02775a8 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c @@ -1818,6 +1818,13 @@ static int mt7915_dfs_start_rdd(struct mt7915_dev *dev, int chain) if (err < 0) return err; + if (is_mt7915(&dev->mt76)) { + err = mt76_connac_mcu_rdd_cmd(&dev->mt76, RDD_SET_WF_ANT, chain, + 0, dev->dbdc_support ? 2 : 0); + if (err < 0) + return err; + } + return mt76_connac_mcu_rdd_cmd(&dev->mt76, RDD_DET_MODE, chain, MT_RX_SEL0, 1); } @@ -1938,6 +1945,14 @@ stop: if (err < 0) return err; + if (is_mt7915(&dev->mt76)) { + err = mt76_connac_mcu_rdd_cmd(&dev->mt76, RDD_SET_WF_ANT, + phy->band_idx, 0, + dev->dbdc_support ? 2 : 0); + if (err < 0) + return err; + } + mt7915_dfs_stop_radar_detector(phy); phy->mt76->dfs_state = MT_DFS_STATE_DISABLED; diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h index 1eb11617a6255..c90a148d6239e 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h @@ -357,6 +357,7 @@ enum mt7915_rdd_cmd { RDD_DET_MODE, RDD_RADAR_EMULATE, RDD_START_TXQ = 20, + RDD_SET_WF_ANT = 30, RDD_CAC_START = 50, RDD_CAC_END, RDD_NORMAL_START, -- 2.30.2