For MT7915D, correct antenna index should be set to let DFS radar
detection work on the 5 GHz band.
Signed-off-by: Shayne Chen <shayne.chen@xxxxxxxxxxxx>
---
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 be97dede2634..43a7a639cc88 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
@@ -1814,6 +1814,13 @@ 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);
}
@@ -1934,6 +1941,14 @@ int mt7915_dfs_init_radar_detector(struct mt7915_phy *phy)
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 1eb11617a625..c90a148d6239 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,
--
2.25.1
