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authorMauro Carvalho Chehab <mchehab@redhat.com>2011-12-20 20:53:50 +0100
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-12-31 11:26:50 +0100
commit35fea0649edcdbd75e3aeadd84d366f7e46a60ab (patch)
tree9b01ca879a6edd39c5304bc1fedc2ea8e04ac815 /drivers/media/common
parent[media] mt2031: remove fake implementaion of get_bandwidth() (diff)
downloadlinux-35fea0649edcdbd75e3aeadd84d366f7e46a60ab.tar.xz
linux-35fea0649edcdbd75e3aeadd84d366f7e46a60ab.zip
[media] mc44s803: use DVBv5 parameters on set_params()
Instead of using DVBv3 parameters, rely on DVBv5 parameters to set the tuner. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/common')
-rw-r--r--drivers/media/common/tuners/mc44s803.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/media/common/tuners/mc44s803.c b/drivers/media/common/tuners/mc44s803.c
index fe5c4b8d83ee..5a8758cad5e9 100644
--- a/drivers/media/common/tuners/mc44s803.c
+++ b/drivers/media/common/tuners/mc44s803.c
@@ -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;