iwlwifi: enable DC calibration

From: Abhijeet Kolekar <abhijeet.kolekar@intel.com>

For 6X50 DC calibration needs to be initialized
else uCode will run an endless loop.
Enbale DC calibration in hw config.

Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index b191c634ad9213e8cb43cdae47db424e4ee8fc4d..f89ef4aa78fdfb095f76dbf4edcb63ed1414b560 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -158,11 +158,25 @@ static int iwl6000_hw_set_hw_params(struct iwl_priv *priv)
        /* Set initial sensitivity parameters */
        /* Set initial calibration set */
        priv->hw_params.sens = &iwl6000_sensitivity;
-       priv->hw_params.calib_init_cfg =
+       switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) {
+       case CSR_HW_REV_TYPE_6x50:
+               priv->hw_params.calib_init_cfg =
                        BIT(IWL_CALIB_XTAL)             |
+                       BIT(IWL_CALIB_DC)               |
                        BIT(IWL_CALIB_LO)               |
                        BIT(IWL_CALIB_TX_IQ)            |
                        BIT(IWL_CALIB_BASE_BAND);
+
+               break;
+       default:
+               priv->hw_params.calib_init_cfg =
+                       BIT(IWL_CALIB_XTAL)             |
+                       BIT(IWL_CALIB_LO)               |
+                       BIT(IWL_CALIB_TX_IQ)            |
+                       BIT(IWL_CALIB_BASE_BAND);
+               break;
+       }
+
        return 0;
 }