Re: Hauppauge WinTV HVR 930C-HD - new USB ID 2040:b130 ?

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On Tue, May 7, 2013 at 6:39 PM, Jan Kiszka <jan.kiszka@xxxxxx> wrote:
> To pick up this old topic (as I just got the wrong 930C delivered :( ):
>
> What is blocking the development of a si2165 driver? Lacking specs (due
> to NDAs)? Or lacking interest / developer bandwidth?

Probably a bit of both.  I've got the documentation under NDA, and
last I checked it's not otherwise publicly available.  That said, the
chip has been around for several years and no developer has ever cared
to do a reverse engineered driver.  The chip isn't overly complicated
(I could probably write a driver for it in a week even without the
datasheets), alas there has never really been any interest.

> In case of the
> latter, how much effort may it take for a kernel hacker without
> particular experience in the DVB subsystem to get things running?

Not rocket science, for sure.  Probably the bigger issue is
familiarity with reverse engineering techniques and a good
understanding of how demodulators work.  Learning the API itself is
the easy part (given there are plenty of example drivers to use as a
model).

I can count on one hand the number of developers who are actively
contributing tuner/demod drivers.  There just is very little developer
interest in this area nowadays.

Devin

--
Devin J. Heitmueller - Kernel Labs
http://www.kernellabs.com
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