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Re: Supporting dumb cameras in trixie

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Hi David,

Thanks for reaching out.

On Sat, May 03, 2025 at 11:58:52AM +0200, David Heidelberg wrote:
> Hello!
> 
> The story begins by me ordering Dell 9440. After very good record of Dell
> XPS series Linux support I thought it'll be a win. Boy I was wrong.
> 
> Anyway, solving missing bits has included 4 patches, which can be seen here:
> https://gitlab.com/dhxx/linux/-/commits/l9440-webcam (last 4+9).
> 
>  - general fixes (patching existing code): https://patchwork.kernel.org/project/linux-media/cover/20250417111337.38142-1-hdegoede@redhat.com/
>  - OV02C10 (standalone): https://patchwork.kernel.org/project/linux-media/patch/20241118212158.624299-1-heimir.sverrisson@gmail.com/#26127637
>  - OV02E10 (standalone) https://patchwork.kernel.org/project/linux-media/cover/20250407-b4-media-comitters-next-25-03-13-ov02e10-v4-0-211e3e6fae90@linaro.org/
> 
> For my use case, only OV02E10 is needed, but other models needs OV02C10.
> 
> And now the ugliest part... USBIO
> 
>  - usb-io dropped in + Kconfig/Makefile changes
>  - https://github.com/intel/usbio-drivers/pull/33
>  - https://github.com/intel/usbio-drivers/pull/34
> 
> This could be eventually kept outside as module. Sounds still better to
> create wiki page with note: Install this module and it'll work, instead of
> asking them to patch existing kernel module, add two modules to see which
> one will work and then install USBIO module.
> 
> What do you think? If you would be OK with this enablement, I volunteer to
> prepare the patches against 6.12 (so far I did 6.13/14).

After having a look now at this written down I think we have here a
similar situation as in https://bugs.debian.org/1103877 . While Fedora
might do it, we will not take such patches and carry for a long time
in our releases. So I have two suggestions:

Make sure that, where sensible, all support lands in mainline,
eventually you will then be able to use a backports kernel for this
use case.

Secondly: you migh coordinate/work with Bjørn Mork
<bjorn@gustav.mork.no> to have a common approach for th eparts around
usbio.

Let's see what the other team members comment on it.

Regards,
Salvatore

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Supporting dumb cameras in trixie David Heidelberg <david@ixit.cz> - 2025-05-03 12:30 +0200
  Re: Supporting dumb cameras in trixie Salvatore Bonaccorso <carnil@debian.org> - 2025-05-03 14:00 +0200

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