iwlwifi: send cmd to uCode to configure valid tx antenna

In order for uCode to select the valid antennas for transmit, driver
need to configure the allowed tx antennas through host command.

The TX_ANT_CONFIGURATION_CMD should be used for 5000 series and up

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index cf2b481dca6d..5505878dcaf7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1762,6 +1762,10 @@ static void iwl_alive_start(struct iwl_priv *priv)
         priv->active_rate = priv->rates_mask;
         priv->active_rate_basic = priv->rates_mask & IWL_BASIC_RATES_MASK;
 
+        /* Configure Tx antenna selection based on H/W config */
+        if (priv->cfg->ops->hcmd->set_tx_ant)
+                priv->cfg->ops->hcmd->set_tx_ant(priv, priv->cfg->valid_tx_ant);
+
         if (iwl_is_associated(priv)) {
                 struct iwl_rxon_cmd *active_rxon =
                                 (struct iwl_rxon_cmd *)&priv->active_rxon;