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[media] tda826x: 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>
This commit is contained in:
Mauro Carvalho Chehab 2011-12-23 18:43:29 -03:00
parent 3608dbb6dc
commit 66e6cd596c
1 changed files with 3 additions and 2 deletions
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5
drivers/media/dvb/frontends/tda826x.c
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@ -73,6 +73,7 @@ static int tda826x_sleep(struct dvb_frontend *fe)
static int tda826x_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
{
struct dtv_frontend_properties *p = &fe->dtv_property_cache;
struct tda826x_priv *priv = fe->tuner_priv;
int ret;
u32 div;
@ -83,11 +84,11 @@ static int tda826x_set_params(struct dvb_frontend *fe, struct dvb_frontend_param
dprintk("%s:\n", __func__);
div = (params->frequency + (1000-1)) / 1000;
div = (p->frequency + (1000-1)) / 1000;
/* BW = ((1 + RO) * SR/2 + 5) * 1.3 [SR in MSPS, BW in MHz] */
/* with R0 = 0.35 and some transformations: */
ksyms = params->u.qpsk.symbol_rate / 1000;
ksyms = p->symbol_rate / 1000;
bandwidth = (878 * ksyms + 6500000) / 1000000 + 1;
if (bandwidth < 5)
bandwidth = 5;