From: Luis R. Rodriguez Date: Wed, 22 Oct 2008 20:28:45 +0000 (-0700) Subject: ath9k: Allow user to change tx power when asked X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=5c020dc6a0f75de3cd75d9cca3b589abc1826fc5;p=sagit-ice-cold%2Fkernel_xiaomi_msm8998.git ath9k: Allow user to change tx power when asked We were also changing tx power even when we were not asked to, this enforces the change only when we are asked nicely. When not asked we simply try to use the max power, we don't tx power at all for rate control. Signed-off-by: Luis R. Rodriguez Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c index a7656a3ea1b0..795fed5cadfa 100644 --- a/drivers/net/wireless/ath9k/main.c +++ b/drivers/net/wireless/ath9k/main.c @@ -1250,7 +1250,8 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed) sc->sc_ah->ah_channels[pos].chanmode = ath_get_extchanmode(sc, curchan); - sc->sc_config.txpowlimit = 2 * conf->power_level; + if (changed & IEEE80211_CONF_CHANGE_POWER) + sc->sc_config.txpowlimit = 2 * conf->power_level; /* set h/w channel */ if (ath_set_channel(sc, &sc->sc_ah->ah_channels[pos]) < 0) diff --git a/drivers/net/wireless/ath9k/xmit.c b/drivers/net/wireless/ath9k/xmit.c index 8073c71b3a67..2f27a04487b4 100644 --- a/drivers/net/wireless/ath9k/xmit.c +++ b/drivers/net/wireless/ath9k/xmit.c @@ -230,7 +230,13 @@ static int ath_tx_prepare(struct ath_softc *sc, txctl->if_id = 0; txctl->frmlen = skb->len + FCS_LEN - (hdrlen & 3); - txctl->txpower = MAX_RATE_POWER; /* FIXME */ + + /* Always try at highest power possible unless the the device + * was configured by the user to use another power. */ + if (likely(sc->sc_config.txpowlimit == ATH_TXPOWER_MAX)) + txctl->txpower = ATH_TXPOWER_MAX; + else + txctl->txpower = sc->sc_config.txpowlimit; /* Fill Key related fields */