hciconfig hci0 down
sleep 1
#cardctl suspend
for (( i = 0; i <= 30; i++ ))
do
	rmmod mbt8xxx 2> /dev/null
	lsmod 2>&1 | grep bt8xxx > /dev/null
	if [ ! $? -eq 0 ]; then
		break
	fi
	sleep 1
done
