system/linux
system/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux synced 2024-11-05 18:23:50 +00:00
Code Issues Projects Releases Packages Wiki Activity

[media] mc44s803: use DVBv5 parameters on set_params()

Browse source 
Instead of using DVBv3 parameters, rely on DVBv5 parameters to
set the tuner.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2011-12-20 16:53:50 -03:00
parent 01ce5a7915
commit 35fea0649e
1 changed files with 4 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
drivers/media/common/tuners/mc44s803.c
View file

@ -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;