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  • Supporting dumb cameras in trixie

    From David Heidelberg@21:1/5 to All on Sat May 3 12:30:02 2025
    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).

    David


    --
    David Heidelberg

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Salvatore Bonaccorso@21:1/5 to David Heidelberg on Sat May 3 14:00:01 2025
    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

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
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