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>

drivers/net/wireless/iwlwifi/iwl-eeprom.c

@@ -382,8 +382,8 @@ static int iwl_set_fat_chan_info(struct iwl_priv *priv,
 	if (!is_channel_valid(ch_info))
 		return -1;
 
-	IWL_DEBUG_INFO("FAT Ch. %d [%sGHz] %s%s%s%s%s(0x%02x"
-			" %ddBm): Ad-Hoc %ssupported\n",
+	IWL_DEBUG_INFO("FAT Ch. %d [%sGHz] %s%s%s%s%s(0x%02x %ddBm):"
+			" Ad-Hoc %ssupported\n",
 			ch_info->channel,
 			is_channel_a_band(ch_info) ?
 			"5.2" : "2.4",
@@ -493,8 +493,8 @@ int iwl_init_channel_map(struct iwl_priv *priv)
 			ch_info->scan_power = eeprom_ch_info[ch].max_power_avg;
 			ch_info->min_power = 0;
 
-			IWL_DEBUG_INFO("Ch. %d [%sGHz] %s%s%s%s%s%s(0x%02x"
-				       " %ddBm): Ad-Hoc %ssupported\n",
+			IWL_DEBUG_INFO("Ch. %d [%sGHz] %s%s%s%s%s%s(0x%02x %ddBm):"
+				       " Ad-Hoc %ssupported\n",
 				       ch_info->channel,
 				       is_channel_a_band(ch_info) ?
 				       "5.2" : "2.4",
@@ -515,8 +515,8 @@ int iwl_init_channel_map(struct iwl_priv *priv)
 			/* Set the user_txpower_limit to the highest power
 			 * supported by any channel */
 			if (eeprom_ch_info[ch].max_power_avg >
-			    priv->user_txpower_limit)
-				priv->user_txpower_limit =
+						priv->tx_power_user_lmt)
+				priv->tx_power_user_lmt =
 				    eeprom_ch_info[ch].max_power_avg;
 
 			ch_info++;