[media] it913x stop dual frontend attach in warm state with single devices

Stop dual frontend attach in warm state with single devices.

Since this is a no reconnect device this occurs only after a warm system
reboot.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/dvb-usb/it913x.c

@@ -473,9 +473,12 @@ static int it913x_identify_state(struct usb_device *udev,
 	else
 		props->adapter[0].fe[0].stream.u.bulk.buffersize =
 			TS_BUFFER_SIZE_PID;
-	if (it913x_config.dual_mode)
+	if (it913x_config.dual_mode) {
 		props->adapter[1].fe[0].stream.u.bulk.buffersize =
 			props->adapter[0].fe[0].stream.u.bulk.buffersize;
+		props->num_adapters = 2;
+	} else
+		props->num_adapters = 1;
 
 	ret = ite_firmware_select(udev, props);
 
@@ -499,10 +502,8 @@ static int it913x_identify_state(struct usb_device *udev,
 			if (ret != 0)
 				ret = it913x_wr_reg(udev, DEV_0,
 					GPIOH1_O, 0x0);
-			props->num_adapters = 2;
 		}
-	} else
-		props->num_adapters = 1;
+	}
 
 	reg = it913x_read_reg(udev, IO_MUX_POWER_CLK);