On 09/12/2009 09:16, Lukasz Sokol wrote:
Rob Beard wrote:
Hi folks,

I've borrowed a WinTV HVR-900 USB stick from a friend of mine to see if
I can get any reception in my area before forking out for one however
I've run in to a couple of problems and wondered if anyone had used one
of these sticks?

[snip]
I just wondered if anyone else had one of these sticks actually working
under Ubuntu 9.10?  (I'm running kernel 2.6.31-16-generic-pae).

Rob


Hi Rob,
this device uses empia chips.

I have a similar situation with Pinnacle Hybrid Pro 330e (yes, 3_3_0e) : the 
only
driver that works (and was great at it) was Markus Rechberger's em28xx-new 
project.
(my device has cx88 tuner IIRC). The em28xx-new project had some modifications 
to
some tuner drivers too. They were based both on RE and documentation for which
Markus had NDA's signed (a vague recollection of past googling).

The mainline kernel unfortunately does not support it out of the box, and it is 
not only
about the firmware you have to download; There is something severely 
nonfunctional.

Why am I writing in past tense ?
This driver (em28xx-new) has recently been abandoned, and its author went 
proprietary.
I was using a ubuntu package prepared by some ubuntu user, named gborzi.
Unfortunately the package cannot apply to more recent kernels any more.
The last kernel it worked with, was 2.6.27-14 (Ubuntu terminology) and I'm 
stuck with it.

I have emailed Markus but he seems to have lost any interest in the 
em28xx-new...
can't blame him though, he gave his reasons, some of them unfortunately true.

To v4l developers : as it is the case now that we can consider em28xx-new 
abandonware,
could somebody see, what got devices like ours working in his driver, and push 
it to
mainline, please ? Just the DVB support would be fine...

To Markus : the above is not a call to _steal_your_code_ but merely to somebody 
have
a look and modify the mainline drivers so it could support A 5 YEAR OLD DEVICE 
like mine.
People could employ a 'clean room' like in alternative to Broadcom (b43) 
development.

At least mine, is a 5 YEARS OLD design (bought in 2006).
On my computer, which was middle spec 5 years ago, I've always had problems 
with this device
under Windows (XP) : 100% CPU on max frequency (1.6GHz) all the time, when 
playing.
Under Linux, stock Ubuntu 8.10 Kaffeine, and em28xx-new, it is max 30% CPU at 
lowest freq (800MHz)).

Stock em28xx driver only supports analog (with no sound under stock tvtime, 
supposedly patched tvtime required).

el es

Thanks for the heads up, I think I'll have a look and see what else is available out there then, luckily I only borrowed it to test if it would work.

Regards,

Rob

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