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-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-rxon.c14
1 files changed, 14 insertions, 0 deletions
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);