[linux-dvb] [PATCH] Take 2: Re: Twinhan VisionPlus DVB-T Card not working

Terry Barnaby terry1 at beam.ltd.uk
Fri Nov 21 11:52:02 CET 2008

Terry Barnaby wrote:
> Terry Barnaby wrote:
>> Hi,
>> I am having a problem with the latest DVB drivers.
>> I have a Twinhan VisionPlus DVB-T card (and other DVB cards) in my
>> MythTv server running Fedora 8. This is running fine
>> with the Fedora stock kernel:
>> However, I have now added a Hauppauge DVB-S2 and so have been
>> trying the latest DVB Mercurial DVB tree.
>> This compiles and installs fine and the two DVB-T cards and the
>> new DVB-S card are recognised and has /dev/dvb entries.
>> The first DVB-T card, a Twinhan based on the SAA7133/SAA7135
>> works fine but the Twinhan VisionPlus, which is Bt878 will not
>> tune in.
>> Any ideas ?
>> Has there been any recent changes to the Bt878 driver that could
>> have caused this ?
> I have tracked this down to a bug in the bt8xx/dst frontend.
> It appears that the front end tuning algorithm number as used in
> dvb_frontend.c has changed format but the default setting in
> bt8xx/dst has not been updated to match.
> This patch sets the default algorithm to be software tuning as,
> I believe, was the original setting. However, I wonder if
> it should be set to use hardware tuning by default ...
> Cheers
> Terry
This is a better patch as it describes the integer values
that can be used as options.


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