From 6e707b4c6d1fcf0fca6a4525e0ff66d35e21a517 Mon Sep 17 00:00:00 2001 From: Andy Walls Date: Thu, 11 Jun 2009 07:57:50 -0300 Subject: [PATCH] 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 [mchehab@redhat.com: thanks to John Ferlito, we have a real test in Australia] Signed-off-by: Andy Walls Signed-off-by: Mauro Carvalho Chehab --- drivers/media/common/tuners/tuner-xc2028.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/drivers/media/common/tuners/tuner-xc2028.c b/drivers/media/common/tuners/tuner-xc2028.c index b6da9c3873fe..aa20ce8cc668 100644 --- a/drivers/media/common/tuners/tuner-xc2028.c +++ b/drivers/media/common/tuners/tuner-xc2028.c @@ -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 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); -- 2.20.1