--- wireless-iwl-power.old	2010-01-18 00:18:25.194888893 +0100
+++ wireless-iwl-power	2010-01-18 00:17:10.314919993 +0100
@@ -77,12 +77,12 @@
 	for IF in $WIFI_IFNAMES ; do
 		if [ $ON_AC -eq 1 ] ; then
 			$LM_VERBOSE && echo "On AC power: setting power level for $IF to $IWL_AC_POWER." >> $OUTPUT
-			if ( ! echo $IWL_AC_POWER > /sys/class/net/$IF/device/power_level ) ; then
+			if ( ! $IWCONFIG $IF power off ) ; then
 				$LM_VERBOSE && echo "Failed." >> $OUTPUT
 			fi
 		else
 			$LM_VERBOSE && echo "On battery: setting power level for $IF to $IWL_BATT_POWER." >> $OUTPUT
-			if ( ! echo $IWL_BATT_POWER > /sys/class/net/$IF/device/power_level ) ; then
+			if ( ! $IWCONFIG $IF power on ) ; then
 				$LM_VERBOSE && echo "Failed." >> $OUTPUT
 			fi
 		fi