[PATCH] mt76x2: fix avg_rssi estimation

[Lorenzo Bianconi]

Add leftover filter coefficients in IIR rssi estimation

Fixes: 7bc04215a66b ("mt76: add driver code for MT76x2e")
Signed-off-by: Lorenzo Bianconi <lorenzo.bianc...@redhat.com>
---
 drivers/net/wireless/mediatek/mt76/mt76x2_phy.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_phy.c 
b/drivers/net/wireless/mediatek/mt76/mt76x2_phy.c
index 038d1fe6c726..c1c38ca3330a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_phy.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_phy.c
@@ -508,8 +508,10 @@ mt76x2_phy_update_channel_gain(struct mt76x2_dev *dev)
        u8 gain_delta;
        int low_gain;
 
-       dev->cal.avg_rssi[0] = (dev->cal.avg_rssi[0] * 15) / 16 + (rssi0 << 8);
-       dev->cal.avg_rssi[1] = (dev->cal.avg_rssi[1] * 15) / 16 + (rssi1 << 8);
+       dev->cal.avg_rssi[0] = (dev->cal.avg_rssi[0] * 15) / 16 +
+                              (rssi0 << 8) / 16;
+       dev->cal.avg_rssi[1] = (dev->cal.avg_rssi[1] * 15) / 16 +
+                              (rssi1 << 8) / 16;
        dev->cal.avg_rssi_all = (dev->cal.avg_rssi[0] +
                                 dev->cal.avg_rssi[1]) / 512;
 
-- 
2.14.3