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ath9k: change the default antenna settings based on diversity

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change the AR_DEF_ANTENNA register settings i.e setting default antenna
setting only for antenna diversity enabled chipsets. no point in
doing this for MIMO chipsets

Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Mohammed Shafi Shajakhan 2011-11-29 20:30:35 +05:30 committed by John W. Linville
parent 1a68abb0c8
commit eb840a80d2
1 changed files with 14 additions and 9 deletions
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23
drivers/net/wireless/ath/ath9k/recv.c
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@ -1923,15 +1923,20 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
skb = hdr_skb;
}
/*
* change the default rx antenna if rx diversity chooses the
* other antenna 3 times in a row.
*/
if (sc->rx.defant != rs.rs_antenna) {
if (++sc->rx.rxotherant >= 3)
ath_setdefantenna(sc, rs.rs_antenna);
} else {
sc->rx.rxotherant = 0;
if (ah->caps.hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB) {
/*
* change the default rx antenna if rx diversity
* chooses the other antenna 3 times in a row.
*/
if (sc->rx.defant != rs.rs_antenna) {
if (++sc->rx.rxotherant >= 3)
ath_setdefantenna(sc, rs.rs_antenna);
} else {
sc->rx.rxotherant = 0;
}
}
if (rxs->flag & RX_FLAG_MMIC_STRIPPED)