V4L/DVB (12167): tuner-xc2028: Fix 7 MHz DVB-T

The following patch should fix 7 MHz DVB-T with the XC3028 using the
DTV7 firmware from the xc3028-v27.fw firmware image.

Tested-by: Terry Wu <terrywu2009@gmail.com>
[mchehab@redhat.com: thanks to John Ferlito, we have a real test in Australia]
Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Andy Walls 2009-06-11 07:57:50 -03:00 committed by Mauro Carvalho Chehab
parent c06950ae4d
commit 6e707b4c6d

View file

@ -1096,8 +1096,19 @@ static int xc2028_set_params(struct dvb_frontend *fe,
}
/* All S-code tables need a 200kHz shift */
if (priv->ctrl.demod)
if (priv->ctrl.demod) {
demod = priv->ctrl.demod + 200;
/*
* The DTV7 S-code table needs a 700 kHz shift.
* Thanks to Terry Wu <terrywu2009@gmail.com> for reporting this
*
* DTV7 is only used in Australia. Germany or Italy may also
* use this firmware after initialization, but a tune to a UHF
* channel should then cause DTV78 to be used.
*/
if (type & DTV7)
demod += 500;
}
return generic_set_freq(fe, p->frequency,
T_DIGITAL_TV, type, 0, demod);