Commit 7c236e37 authored by Andreas Regel's avatar Andreas Regel Committed by Mauro Carvalho Chehab

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

It had always the value 3 no matter what frequency was given.
Signed-off-by: default avatarAndreas Regel <andreas.regel@gmx.de>
Signed-off-by: default avatarManu Abraham <manu@linuxtv.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 7b035da9
...@@ -95,7 +95,7 @@ static int stv6110x_set_frequency(struct dvb_frontend *fe, u32 frequency) ...@@ -95,7 +95,7 @@ static int stv6110x_set_frequency(struct dvb_frontend *fe, u32 frequency)
{ {
struct stv6110x_state *stv6110x = fe->tuner_priv; struct stv6110x_state *stv6110x = fe->tuner_priv;
u32 rDiv, divider; u32 rDiv, divider;
s32 pVal, pCalc, rDivOpt = 0; s32 pVal, pCalc, rDivOpt = 0, pCalcOpt = 1000;
u8 i; u8 i;
STV6110x_SETFIELD(stv6110x_regs[STV6110x_CTRL1], CTRL1_K, (REFCLOCK_MHz - 16)); 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) ...@@ -121,8 +121,10 @@ static int stv6110x_set_frequency(struct dvb_frontend *fe, u32 frequency)
for (rDiv = 0; rDiv <= 3; rDiv++) { for (rDiv = 0; rDiv <= 3; rDiv++) {
pCalc = (REFCLOCK_kHz / 100) / R_DIV(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; rDivOpt = rDiv;
pCalcOpt = (REFCLOCK_kHz / 100) / R_DIV(rDivOpt);
} }
divider = (frequency * R_DIV(rDivOpt) * pVal) / REFCLOCK_kHz; divider = (frequency * R_DIV(rDivOpt) * pVal) / REFCLOCK_kHz;
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment