iwlwifi: add possibility to disable tx_power calibration

This patch adds the possibility to disable the tx_power calibration.
In 5000 HW, this calibration is implemented in uCode, hence, it is
disabled in driver by default.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@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>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index be6b6ebc6bf..6d249bbd795 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -2103,8 +2103,9 @@ void iwl4965_hw_rx_statistics(struct iwl_priv *priv,
         priv->temperature = temp;
         set_bit(STATUS_TEMPERATURE, &priv->status);
 
-        if (unlikely(!test_bit(STATUS_SCANNING, &priv->status)) &&
-                     iwl4965_is_temp_calib_needed(priv))
+        if (!priv->disable_tx_power_cal &&
+             unlikely(!test_bit(STATUS_SCANNING, &priv->status)) &&
+             iwl4965_is_temp_calib_needed(priv))
                 queue_work(priv->workqueue, &priv->txpower_work);
 }