V4L/DVB (7186): tda10086: make the 22kHz tone for DISEQC a config option

Some cards need the diseqc signal modulated, while some just need
the envelope to control the LNB supply.

This fixes Bug 9887


Signed-off-by: Hartmut Hackmann <hartmut.hackmann@t-online.de>
Acked-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/dvb/dvb-usb/ttusb2.c b/drivers/media/dvb/dvb-usb/ttusb2.c
index 88dc436..3b9da9c 100644
--- a/drivers/media/dvb/dvb-usb/ttusb2.c
+++ b/drivers/media/dvb/dvb-usb/ttusb2.c
@@ -144,6 +144,7 @@
 static struct tda10086_config tda10086_config = {
 	.demod_address = 0x0e,
 	.invert = 0,
+	.diseqc_tone = 1,
 };
 
 static int ttusb2_frontend_attach(struct dvb_usb_adapter *adap)