carl9170: fix bad rssi reading

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

View File

@ -453,7 +453,7 @@ static void carl9170_rx_phy_status(struct ar9170 *ar,
/* post-process RSSI */
for (i = 0; i < 7; i++)
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 */
status->signal = ar->noise[0] + phy->rssi_combined;