mt76x2: fix avg_rssi estimation

Add leftover filter coefficients in IIR rssi estimation

Fixes: 7bc04215a6 ("mt76: add driver code for MT76x2e")
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Acked-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Lorenzo Bianconi 2018-05-02 11:46:36 +02:00 committed by Kalle Valo
parent 7e7939e80e
commit c990affd5a
1 changed files with 4 additions and 2 deletions

View File

@ -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;