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mt7603: fix signal strength reporting on single-stream devices

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The second chain value is 0 if the second chain is disabled, which
would make the reported signal strength 0 as well.

Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2018-12-29 13:03:20 +01:00
parent 58988a314d
commit bce700dd0c
1 changed files with 6 additions and 2 deletions
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mt7603/mac.c
+6 -2
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@@ -583,12 +583,16 @@ mt7603_mac_fill_rx(struct mt7603_dev *dev, struct sk_buff *skb)
status->rate_idx = i;
status->chains = BIT(0) | BIT(1);
status->chains = dev->mt76.antenna_mask;
status->chain_signal[0] = FIELD_GET(MT_RXV4_IB_RSSI0, rxdg3) +
dev->rssi_offset[0];
status->chain_signal[1] = FIELD_GET(MT_RXV4_IB_RSSI1, rxdg3) +
dev->rssi_offset[1];
status->signal = max(status->chain_signal[0], status->chain_signal[1]);
status->signal = status->chain_signal[0];
if (status->chains & BIT(1))
status->signal = max(status->signal,
status->chain_signal[1]);
if (FIELD_GET(MT_RXV1_FRAME_MODE, rxdg0) == 1)
status->bw = RATE_INFO_BW_40;