Michael Krufky wrote:
> Manu Abraham wrote:
> > On 8/6/07, Lars Buerding <lindvb@xxxxxxxxxxx> wrote:
> >> Hello Manu,
> >>
> >>>> I am getting these messages using the latest available tip-version
> >>>> (v4l-dvb-5bb1af77fdc5).
> >>>>
> >>>> ----------------------------------------------------------------------
> >>>> Aug 6 07:07:17 gwmuc kernel: DVB: frontend 0 frequency 1510000 out of
> >>>> range (950000..1400000)
> >>>> Aug 6 07:08:05 gwmuc kernel: DVB: frontend 0 frequency 1958000 out of
> >>>> range (950000..1400000)
> >>>> ----------------------------------------------------------------------
> >>>>
> >>> In frontends/tda8083.c
> >>>
> >>> Look for this:
> >>> 446 .frequency_min = 950000, /* FIXME: guessed! */
> >>> 447 .frequency_max = 1400000, /* FIXME: guessed! */
> >>>
> >>> change to line: #447 to
> >>>
> >>> .frequency_max = 2150000,
> >>>
> >>> This should fix your problem.
> >>>
> >>> Manu
> >>>
> >> I did that and it looks good - at least I can switch to the channels
> >> again and can grab a picture inside vdradmin, I am a bit too far away
> >> from my VDR currently :)
> >
> > N' joy :)
>
> Manu,
>
> Do you have a spec for that demod? If so, would you kindly update the driver so
> that users don't have to worry about this issue?
According to the crippled datasheet, a symbol rate from 12..30 MSym/s
should be correct for the TDA8083.
The Grundig 29504-451 tuner uses the TDA8060 down-converter, which has a
frequency range from 920..2200MHz.
So the attached patch should fix the range issues. Ok?
CU
Oliver
-
----------------------------------------------------------------
VDR Remote Plugin 0.3.9: http://www.escape-edv.de/endriss/vdr/
----------------------------------------------------------------
diff -r 8f9147c3bacd linux/drivers/media/dvb/frontends/tda8083.c
--- a/linux/drivers/media/dvb/frontends/tda8083.c Wed Aug 01 12:14:44 2007 -0300
+++ b/linux/drivers/media/dvb/frontends/tda8083.c Mon Aug 06 18:06:09 2007 +0200
@@ -443,12 +443,12 @@ static struct dvb_frontend_ops tda8083_o
.info = {
.name = "Philips TDA8083 DVB-S",
.type = FE_QPSK,
- .frequency_min = 950000, /* FIXME: guessed! */
- .frequency_max = 1400000, /* FIXME: guessed! */
+ .frequency_min = 920000, /* TDA8060 */
+ .frequency_max = 2200000, /* TDA8060 */
.frequency_stepsize = 125, /* kHz for QPSK frontends */
/* .frequency_tolerance = ???,*/
- .symbol_rate_min = 1000000, /* FIXME: guessed! */
- .symbol_rate_max = 45000000, /* FIXME: guessed! */
+ .symbol_rate_min = 12000000,
+ .symbol_rate_max = 30000000,
/* .symbol_rate_tolerance = ???,*/
.caps = FE_CAN_INVERSION_AUTO |
FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
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