[mythtv] DVB-T: no signal lock

Marcus Gustafsson tgreem at swipnet.se
Thu Sep 22 07:15:04 UTC 2005


Tom Hughes wrote:
> In message <4331975D.80001 at swipnet.se>
>           Marcus Gustafsson <tgreem at swipnet.se> wrote:
> 
> 
>>My frequencies where waaaay off. Take a look at my comparision of the
>>table generated by scanning and my edited one.
>>
>>Scanned table:		Edited table:
>>+-----------+		+-----------+
>>| frequency |		| frequency |
>>+-----------+		+-----------+
>>|      1851 |		| 474000000 |
>>|      2070 |		| 530000000 |
>>|      2382 |		| 610000000 |
>>|      3132 |		| 802000000 |
>>+-----------+		+-----------+
> 
> 
> Have you got a Twinhan card by any chance?
> 
> Those numbers of of by a factor of 256000 or so, which corresponds
> with a bug in the Twinhan driver that causes FE_GET_FRONTEND to return
> the wrong frequency - for DVB-T and DVB-C cards the result is off by
> a factor of 256000 and for DVB-S cards by a factor of 1000 or so.
> 
> I sent a patch for the driver to the linux-dvb guys last week and
> it looks it was committed today.
> 
> Tom


Correct. I do have a Twinhan card. So that's where the bug is. Thank you 
for letting me know that it's not myth's fault, so I can focus on the 
dvb-drivers.

Marcus


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