iwlwifi: add debugfs to disable/enable run time calibration

This patch adds functionality to debugfs to enable or disable chain
noise or sensitivity calibrations.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-calib.c b/drivers/net/wireless/iwlwifi/iwl-calib.c
index 1289d4c91abe..beb9716165c3 100644
--- a/drivers/net/wireless/iwlwifi/iwl-calib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-calib.c
@@ -426,6 +426,9 @@ void iwl_init_sensitivity(struct iwl_priv *priv)
         struct iwl_sensitivity_data *data = NULL;
         const struct iwl_sensitivity_ranges *ranges = priv->hw_params.sens;
 
+        if (priv->disable_sens_cal)
+                return;
+
         IWL_DEBUG_CALIB("Start iwl_init_sensitivity\n");
 
         /* Clear driver's sensitivity algo data */
@@ -486,6 +489,9 @@ void iwl_sensitivity_calibration(struct iwl_priv *priv,
         unsigned long flags;
         struct statistics_general_data statis;
 
+        if (priv->disable_sens_cal)
+                return;
+
         data = &(priv->sensitivity_data);
 
         if (!iwl_is_associated(priv)) {
@@ -608,6 +614,9 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv,
         unsigned long flags;
         struct statistics_rx_non_phy *rx_info = &(stat_resp->rx.general);
 
+        if (priv->disable_chain_noise_cal)
+                return;
+
         data = &(priv->chain_noise_data);
 
         /* Accumulate just the first 20 beacons after the first association,