mt76x0: pci: fix ACS support

Fix Automatic Channel Selection (ACS) support in mt76x0e driver
configuring properly MT_CH_TIME_CFG register

Fixes: 62503186 ("mt76x0: pci: add get_survey support")
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt76x0/pci.c

@@ -141,6 +141,14 @@ static int mt76x0e_register_device(struct mt76x02_dev *dev)
 	mt76_clear(dev, 0x110, BIT(9));
 	mt76_set(dev, MT_MAX_LEN_CFG, BIT(13));
 
+	mt76_wr(dev, MT_CH_TIME_CFG,
+		MT_CH_TIME_CFG_TIMER_EN |
+		MT_CH_TIME_CFG_TX_AS_BUSY |
+		MT_CH_TIME_CFG_RX_AS_BUSY |
+		MT_CH_TIME_CFG_NAV_AS_BUSY |
+		MT_CH_TIME_CFG_EIFS_AS_BUSY |
+		FIELD_PREP(MT_CH_TIME_CFG_CH_TIMER_CLR, 1));
+
 	err = mt76x0_register_device(dev);
 	if (err < 0)
 		return err;