4.17-stable review patch. If anyone has any objections, please let me know.
------------------
From: Lorenzo Bianconi <lorenzo.bianconi@xxxxxxxxxx>
[ Upstream commit c990affd5abce1f338ac52539e092dad04647fb6 ]
Add leftover filter coefficients in IIR rssi estimation
Fixes: 7bc04215a66b ("mt76: add driver code for MT76x2e")
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@xxxxxxxxxx>
Acked-by: Felix Fietkau <nbd@xxxxxxxx>
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/wireless/mediatek/mt76/mt76x2_phy.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_phy.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_phy.c
@@ -492,8 +492,10 @@ mt76x2_phy_update_channel_gain(struct mt
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;
