V4L/DVB (12873): saa7134: disable tda18271 slave tuner output / loop thru in standby mode

Enable the standby mode optimization to disable the tda18271
slave tuner output / loop thru options when in low power mode
Signed-off-by: NMichael Krufky <mkrufky@kernellabs.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/saa7134/saa7134-dvb.c

@@ -1007,6 +1007,7 @@ static struct tda18271_config hcw_tda18271_config = {
 	.std_map = &hauppauge_tda18271_std_map,
 	.gate    = TDA18271_GATE_ANALOG,
 	.config  = 3,
+	.output_opt = TDA18271_OUTPUT_LT_OFF,
 };
 
 static struct tda829x_config tda829x_no_probe = {