From 8da8e62851680772f0422d0f1c4b467190b268e5 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Wed, 10 Nov 2010 09:56:46 -0800
Subject: iwlagn: re-enable calibration

During the RXON rewrite, this code got lost.
When we've just associated, we need to enable
all calibrations and see if some were already
finished. Add back the missing code.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn-rxon.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'drivers/net')

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
index d594a1658a9..d9d617fd507 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
@@ -569,6 +569,20 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
 	if (force || memcmp(&ctx->staging, &ctx->active, sizeof(ctx->staging)))
 		iwlagn_commit_rxon(priv, ctx);
 
+	if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc) {
+		/*
+		 * The chain noise calibration will enable PM upon
+		 * completion. If calibration has already been run
+		 * then we need to enable power management here.
+		 */
+		if (priv->chain_noise_data.state == IWL_CHAIN_NOISE_DONE)
+			iwl_power_update_mode(priv, false);
+
+		/* Enable RX differential gain and sensitivity calibrations */
+		iwl_chain_noise_reset(priv);
+		priv->start_calib = 1;
+	}
+
 	if (changes & BSS_CHANGED_IBSS) {
 		ret = iwlagn_manage_ibss_station(priv, vif,
 						 bss_conf->ibss_joined);
-- 
cgit v1.2.3-70-g09d2