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authorChristian Lamparter <chunkeey@web.de>2008-09-06 14:25:53 +0200
committerJohn W. Linville <linville@tuxdriver.com>2008-09-11 21:53:32 +0200
commit09adf284039f896401df8ea219ee1d13e80333a8 (patch)
tree3d9aa675915304ad6c2c23d33bde475d93e9bd2c /drivers/net/wireless/p54
parentp54: add lots of useful rx/tx statistics (diff)
downloadlinux-09adf284039f896401df8ea219ee1d13e80333a8.tar.xz
linux-09adf284039f896401df8ea219ee1d13e80333a8.zip
p54: control output power levels
I hope this patch is enough to cover at least the basic requirements of IEEE 802.11h's TPC. Signed-off-by: Christian Lamparter <chunkeey@web.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/p54')
-rw-r--r--drivers/net/wireless/p54/p54.h1
-rw-r--r--drivers/net/wireless/p54/p54common.c3
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/wireless/p54/p54.h b/drivers/net/wireless/p54/p54.h
index 370202f6de2c..1d0704fe146f 100644
--- a/drivers/net/wireless/p54/p54.h
+++ b/drivers/net/wireless/p54/p54.h
@@ -88,6 +88,7 @@ struct p54_common {
void *cached_vdcf;
unsigned int fw_var;
unsigned int fw_interface;
+ unsigned int output_power;
u32 tsf_low32;
u32 tsf_high32;
struct ieee80211_tx_queue_stats tx_stats[8];
diff --git a/drivers/net/wireless/p54/p54common.c b/drivers/net/wireless/p54/p54common.c
index 670d7ad4120b..7ec695ca9ea4 100644
--- a/drivers/net/wireless/p54/p54common.c
+++ b/drivers/net/wireless/p54/p54common.c
@@ -800,7 +800,7 @@ static int p54_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
txhdr->hw_queue = skb_get_queue_mapping(skb) + 4;
txhdr->tx_antenna = (info->antenna_sel_tx == 0) ?
2 : info->antenna_sel_tx - 1;
- txhdr->output_power = 0x7f; // HW Maximum
+ txhdr->output_power = priv->output_power;
txhdr->cts_rate = (info->flags & IEEE80211_TX_CTL_NO_ACK) ?
0 : cts_rate;
if (padding)
@@ -1154,6 +1154,7 @@ static int p54_config(struct ieee80211_hw *dev, struct ieee80211_conf *conf)
mutex_lock(&priv->conf_mutex);
priv->rx_antenna = (conf->antenna_sel_rx == 0) ?
2 : conf->antenna_sel_tx - 1;
+ priv->output_power = conf->power_level << 2;
ret = p54_set_freq(dev, cpu_to_le16(conf->channel->center_freq));
p54_set_vdcf(dev);
mutex_unlock(&priv->conf_mutex);