iwlwifi: separate led function from statistic notification

Detach led background task from statistic notification routine. if led
blinking is required; the blink rate is based on the traffic condition.
It do not relate to statistics notification. In addition to that, there is
not a requirement for statistics notification has to occur all the time.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@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-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 64d9187..a34acb7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1019,6 +1019,7 @@
 	if (inta & (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX)) {
 		iwl_rx_handle(priv);
 		priv->isr_stats.rx++;
+		iwl_leds_background(priv);
 		handled |= (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX);
 	}
 
@@ -1220,6 +1221,7 @@
 				    CSR_INT_PERIODIC_ENA);
 
 		priv->isr_stats.rx++;
+		iwl_leds_background(priv);
 	}
 
 	if (inta & CSR_INT_BIT_FH_TX) {