[linux-dvb] Why I need to choose better Subject: headers [was: Re: Why (etc.)]

Paul Chubb paulc at singlespoon.org.au
Sat Sep 13 22:25:00 CEST 2008

I drew the line at porting the xc3028 tuner module from mcentral.de into 
v4l-dvb, so no didn't solve the firmware issues. If you know what you 
are doing it should be trivial work - just linking in yet another tuner 
module and then calling it like all the others. For me because I don't 
know the code well it would take a week or two.

The other issue is that with the state of relationship between Markus 
Rechberger and the community I don't want to be in the middle of that.

Cheers Paul

barry bouwsma wrote:
> --- On Sat, 9/13/08, Paul Chubb <paulc at singlespoon.org.au> wrote:
>> around 2.6.22. At some stage the functionality in videobuf_core.c was 
>> replaced by video-buf-dvb.c. This meant that when you compile against 
>> the 2.6.22 headers it works fine but still loads the videobuf_core 
>> module from the previous module set. Once you get to 2.6.24 it still 
>> loads videobuf_core, however now you get a lot of symbol issues when it 
>> loads and ultimately the driver for the card didn't work. This was 
> Ah, thanks.  I've seen this (in the list) often and ignored it
> as a newbie error.  (I ignore most things anyway)
> Now I'm trying to hack* around something comparable in a diff
> which has strangely disappeared from my screen, but may be
> videodev.c --> v4l2-dev.c  which probably will/has cause(d)
> issues.
> * `hack' should be translated as, looking at the diffs, wishing
> I had had more sleep, even if it had meant missing all the doku on
> Chairman Humph (for those in the know) that I should have instead
> recorded for later viewing, and wondering if a `make-it-compile'
> hack is enough...  Am I making sense?  Should I sleep?
>> 2) The v4l-dvb tree has complex firmware loading logic in tuner-xc2028.c 
>> So either could be fixed, and I fixed the first. I could have fixed the 
>> second by investing more time.
> Just to be clear -- did you fix the firmware issue, or the issue
> with migration of, and changes to, source files, which in my
> hum^Wignorant opinion, would be the more difficult one in general?
>>  But I don't think that is why people talk 
>> about incompatibility between the two.
> It's helpful to me, nonetheless.  I am sympathetic to the fork,
> as my `production' (were I to produce anything; in reality, I
> mean that it's been several years operating with only power
> failures requiring attention, otherwise generally running with
> full CPU load) machine is 2.6.14 and has loads of hacks which
> I need to apply to a more recent kernel, should I find a stable
> one (perhaps the hardware of my development machine is suspect
> here, as I now have nearly a week uptime on the same kernel
> which would typically freeze/panic within a few hours -- watch
> it wedge solid before I can send this, again), and much of the
> code which I've hacked (UFS large fragment size filesystem,
> ISA ethernet and others) has or may have suffered substantial
> rewriting since I got it working...  That second sentence was long...
> thanks for your feedback!
> barry bouwsma

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