diff options
| author | Tomas Winkler | 2008-06-12 03:47:08 +0200 |
|---|---|---|
| committer | John W. Linville | 2008-06-14 18:18:08 +0200 |
| commit | 630fe9b6f774dd55b71fe94392101eb00df58762 (patch) | |
| tree | a4835d1d28195321f52f877f89d5bf1dbe8bf436 /drivers/net/wireless/iwlwifi/iwl-core.c | |
| parent | iwlwifi: refactor tx aggregation response flow (diff) | |
| download | kernel-qcow2-linux-630fe9b6f774dd55b71fe94392101eb00df58762.tar.gz kernel-qcow2-linux-630fe9b6f774dd55b71fe94392101eb00df58762.tar.xz kernel-qcow2-linux-630fe9b6f774dd55b71fe94392101eb00df58762.zip | |
iwlwifi: refactor setting tx power
This patch
1. Refactors settings of tx power
2. enables iwconfig txpower <value>
3. adds 5000 HW tx power
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-core.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-core.c | 37 |
1 files changed, 33 insertions, 4 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index 21995ff0cc0f..164697a6413d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -480,9 +480,8 @@ static int iwlcore_init_geos(struct iwl_priv *priv) geo_ch->flags |= ch->fat_extension_channel; - if (ch->max_power_avg > priv->max_channel_txpower_limit) - priv->max_channel_txpower_limit = - ch->max_power_avg; + if (ch->max_power_avg > priv->tx_power_channel_lmt) + priv->tx_power_channel_lmt = ch->max_power_avg; } else { geo_ch->flags |= IEEE80211_CHAN_DISABLED; } @@ -832,7 +831,7 @@ int iwl_init_drv(struct iwl_priv *priv) priv->rates_mask = IWL_RATES_MASK; /* If power management is turned on, default to AC mode */ priv->power_mode = IWL_POWER_AC; - priv->user_txpower_limit = IWL_DEFAULT_TX_POWER; + priv->tx_power_user_lmt = IWL_TX_POWER_TARGET_POWER_MAX; ret = iwl_init_channel_map(priv); if (ret) { @@ -871,6 +870,34 @@ void iwl_free_calib_results(struct iwl_priv *priv) } EXPORT_SYMBOL(iwl_free_calib_results); +int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force) +{ + int ret = 0; + if (tx_power < IWL_TX_POWER_TARGET_POWER_MIN) { + IWL_WARNING("Requested user TXPOWER %d below limit.\n", + priv->tx_power_user_lmt); + return -EINVAL; + } + + if (tx_power > IWL_TX_POWER_TARGET_POWER_MAX) { + IWL_WARNING("Requested user TXPOWER %d above limit.\n", + priv->tx_power_user_lmt); + return -EINVAL; + } + + if (priv->tx_power_user_lmt != tx_power) + force = true; + + priv->tx_power_user_lmt = tx_power; + + if (force && priv->cfg->ops->lib->send_tx_power) + ret = priv->cfg->ops->lib->send_tx_power(priv); + + return ret; +} +EXPORT_SYMBOL(iwl_set_tx_power); + + void iwl_uninit_drv(struct iwl_priv *priv) { iwl_free_calib_results(priv); @@ -880,6 +907,8 @@ void iwl_uninit_drv(struct iwl_priv *priv) } EXPORT_SYMBOL(iwl_uninit_drv); + + /* Low level driver call this function to update iwlcore with * driver status. */ |