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[media] mc44s803: use DVBv5 parameters on set_params()
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Instead of using DVBv3 parameters, rely on DVBv5 parameters to
set the tuner.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Mauro Carvalho Chehab committed Dec 31, 2011
1 parent 01ce5a7 commit 35fea06
Showing 1 changed file with 4 additions and 3 deletions.
7 changes: 4 additions & 3 deletions drivers/media/common/tuners/mc44s803.c
Original file line number Diff line number Diff line change
Expand Up @@ -218,18 +218,19 @@ static int mc44s803_set_params(struct dvb_frontend *fe,
struct dvb_frontend_parameters *params)
{
struct mc44s803_priv *priv = fe->tuner_priv;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
u32 r1, r2, n1, n2, lo1, lo2, freq, val;
int err;

priv->frequency = params->frequency;
priv->frequency = c->frequency;

r1 = MC44S803_OSC / 1000000;
r2 = MC44S803_OSC / 100000;

n1 = (params->frequency + MC44S803_IF1 + 500000) / 1000000;
n1 = (c->frequency + MC44S803_IF1 + 500000) / 1000000;
freq = MC44S803_OSC / r1 * n1;
lo1 = ((60 * n1) + (r1 / 2)) / r1;
freq = freq - params->frequency;
freq = freq - c->frequency;

n2 = (freq - MC44S803_IF2 + 50000) / 100000;
lo2 = ((60 * n2) + (r2 / 2)) / r2;
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