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carl9170: fix bad rssi reading

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Fix rssi calculation error which was introduced in otus to ar9170
porting.

Signed-off-by: Hiroaki KAWAI <hiroaki.kawai@gmail.com>
Acked-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Hiroaki KAWAI 2015-09-10 18:04:45 +00:00 committed by Kalle Valo
parent 76ea6fdbeb
commit c452d944be
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/ath/carl9170/rx.c
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@ -453,7 +453,7 @@ static void carl9170_rx_phy_status(struct ar9170 *ar,
/* post-process RSSI */ /* post-process RSSI */
for (i = 0; i < 7; i++) for (i = 0; i < 7; i++)
if (phy->rssi[i] & 0x80) if (phy->rssi[i] & 0x80)
phy->rssi[i] = ((phy->rssi[i] & 0x7f) + 1) & 0x7f; phy->rssi[i] = ((~phy->rssi[i] & 0x7f) + 1) & 0x7f;
/* TODO: we could do something with phy_errors */ /* TODO: we could do something with phy_errors */
status->signal = ar->noise[0] + phy->rssi_combined; status->signal = ar->noise[0] + phy->rssi_combined;