Re: Pinnacle 300i :: "initial tuning failed"

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On Saturday 20 May 2006 17:07, Greg Manning wrote:
> On 20 May 2006, at 16:17, Andrew de Quincey wrote:
> > On Saturday 20 May 2006 15:33, Greg Manning wrote:
> >> On 20/05/06, Andrew de Quincey <adq_dvb@xxxxxxxxxxxxx> wrote:
> >>> On Saturday 20 May 2006 14:35, Greg Manning wrote:
> >>>> On 20 May 2006, at 14:01, Andrew de Quincey wrote:
> >>>>> On Saturday 20 May 2006 12:56, Greg Manning wrote:
> >>>>>> On 20 May 2006, at 12:01, Andrew de Quincey wrote:
> >>>>>>> On Thursday 18 May 2006 11:42, Greg Manning wrote:
> >>>>>>>> Hi,
> >>>>>>>> I've got a Pinnacle 300i, which I can't get working. I was on
> >>>>>>>> ubuntu breezy
> >>>>>>>> stock (2.6.12-10-k7) kernel, which didn't work, so I tried
> >>>>>>>> applying patches
> >>>>>>>> i found on the mailing list, to no avail.
> >>>>>>>> Last night I compiled latest 2.6.12-ck9, which behaved
> >>>>>>>> identically
> >>>>>>>> to the
> >>>>>>>> old kernel (with regard to the pinnacle). I've just tried the
> >>>>>>>> patch from
> >>>>>>>> http://www.linuxtv.org/pipermail/linux-dvb/2006-May/010152.html
> >>>>>>>> there, but that makes no difference either. So I'm currently
> >>>>>>>> running latest
> >>>>>>>> hg pull, with that patch, and i get these messages in dmesg
> >>>>>>>> (these have been the same regardless of what kernel/patch i've
> >>>>>>>> been running):
> >>>>>>>
> >>>>>>> [snip]
> >>>>>>>
> >>>>>>>> Any ideas what's going on here?
> >>>>>>>> (The card works in Windows, so I don't think its a DOA)
> >>>>>>>
> >>>>>>> Hmm, strange - the card was reported as working with that latest
> >>>>>>> patch. Has it
> >>>>>>> ever worked in linux? (I saw you tested it in windows so at
> >>>>>>> least
> >>>>>>> the
> >>>>>>> hardware is ok)
> >>>>>>
> >>>>>> Nope, never worked. Always that same error, too. Makes me
> >>>>>> wonder if
> >>>>>> there's something unique about my box. No idea what though...
> >>>>>
> >>>>> Can you send details of an example channel you're trying to tune
> >>>>> under linux?
> >>>>> Perhaps the demod requires tweaking...
> >>>>
> >>>> Ok, I think is what you mean (but I'm not sure)...
> >>>>
> >>>> gm@kimiko:~$ tzap -c channels.conf 'BBC ONE'
> >>>> using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
> >>>> tuning to 722166670 Hz
> >>>> video pid 0x0258, audio pid 0x0259
> >>>> status 00 | signal ffff | snr 0000 | ber 00000000 | unc 00000000 |
> >>>> status 00 | signal 000f | snr 0000 | ber 00000000 | unc 00000000 |
> >>>> status 00 | signal 000f | snr 0000 | ber 00000000 | unc 00000000 |
> >>>> status 00 | signal 000f | snr 0000 | ber 00000000 | unc 00000000 |
> >>>> status 00 | signal 000f | snr 0000 | ber 00000000 | unc 00000000 |
> >>>> ...(every further line identical).
> >>>>
> >>>> This is accompanied by a whole load of mt352_pinnacle_init called
> >>>> messages in the logs.
> >>>> The frequency is right (pulled out of a channel.conf from a working
> >>>> machine).
> >>>
> >>> ok, can you send the BBC ONE line from your channels.conf as well
> >>> please?
> >>
> >> ah, sorry. Yes:
> >>
> >> BBC
> >> ONE:
> >> 722166670:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_3_4:FEC_3_4:QAM_16:TRANS
> >> MI
> >> SSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:600:601:4170
> >
> > Hmm, just noticed something odd in the driver -
> > linux/drivers/media/dvb/frontends/mt352.c/mt352_set_parameters()
> >
> > line 283, it says:
> >
> > 	buf[3] = 0x50;  // old
> > //	buf[3] = 0xf4;  // pinnacle
> >
> > Wanna try swapping those over and see if it does anything? I'll
> > find out what
> > thats actually doing in the meantime.
>
> Uhm. My (wonderful*) housemate unplugged my aerial cable.
> Things seem to work now. I'll just have a fiddle and see if I can
> find what fixed it.
> Sorry to be so stupid.
>
> Greg
> *no seriously, he did tidy the lounge. It's just that involved
> removing my long cable.

LOL :)

Lemme know what you find...

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