iwlwifi: configure uCode to use open loop tx power algorithm

This patch configures uCode to use open loop tx power algorithm
via TX_POWER_DBM (0x98) host command.

Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
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>

diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 438c381..2b48f1b 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -1426,7 +1426,7 @@ static int  iwl5000_send_tx_power(struct iwl_priv *priv)
 
        /* half dBm need to multiply */
        tx_power_cmd.global_lmt = (s8)(2 * priv->tx_power_user_lmt);
-       tx_power_cmd.flags = 0;
+       tx_power_cmd.flags = IWL50_TX_POWER_NO_CLOSED;
        tx_power_cmd.srv_chan_lmt = IWL50_TX_POWER_AUTO;
        return  iwl_send_cmd_pdu_async(priv, REPLY_TX_POWER_DBM_CMD,
                                       sizeof(tx_power_cmd), &tx_power_cmd,

diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 920dfc1..6957b22 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -336,6 +336,8 @@ struct iwl4965_tx_power_db {
  * struct iwl5000_tx_power_dbm_cmd
  */
 #define IWL50_TX_POWER_AUTO 0x7f
+#define IWL50_TX_POWER_NO_CLOSED (0x1 << 6)
+
 struct iwl5000_tx_power_dbm_cmd {
        s8 global_lmt; /*in half-dBm (e.g. 30 = 15 dBm) */
        u8 flags;