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V4L/DVB (13360): stv090x: fix the calculation of the r divider in stv6110x_set_frequency

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It had always the value 3 no matter what frequency was given.

Signed-off-by: Andreas Regel <andreas.regel@gmx.de>
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Andreas Regel 2009-11-13 18:22:02 -03:00 committed by Mauro Carvalho Chehab
parent 7b035da93e
commit 7c236e37dd
1 changed files with 4 additions and 2 deletions
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6
drivers/media/dvb/frontends/stv6110x.c
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@ -95,7 +95,7 @@ static int stv6110x_set_frequency(struct dvb_frontend *fe, u32 frequency)
{
struct stv6110x_state *stv6110x = fe->tuner_priv;
u32 rDiv, divider;
s32 pVal, pCalc, rDivOpt = 0;
s32 pVal, pCalc, rDivOpt = 0, pCalcOpt = 1000;
u8 i;
STV6110x_SETFIELD(stv6110x_regs[STV6110x_CTRL1], CTRL1_K, (REFCLOCK_MHz - 16));
@ -121,8 +121,10 @@ static int stv6110x_set_frequency(struct dvb_frontend *fe, u32 frequency)
for (rDiv = 0; rDiv <= 3; rDiv++) {
pCalc = (REFCLOCK_kHz / 100) / R_DIV(rDiv);
if ((abs((s32)(pCalc - pVal))) < (abs((s32)(1000 - pVal))))
if ((abs((s32)(pCalc - pVal))) < (abs((s32)(pCalcOpt - pVal))))
rDivOpt = rDiv;
pCalcOpt = (REFCLOCK_kHz / 100) / R_DIV(rDivOpt);
}
divider = (frequency * R_DIV(rDivOpt) * pVal) / REFCLOCK_kHz;