Re: [PATCH v5 0/1] platform/x86/tuxedo: Add virtual LampArray for TUXEDO NB04 devices

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Am 21.01.25 um 23:31 schrieb Werner Sembach:

Hi,
after some other work, picked this up again.
Only coding style changes vs v4.


I now got my feet a little wet with hid-bpf regarding something else, and
with that knowledge I would leave the long arrays in the beginning in the
kernel code for the time being:

sirius_16_ansii_kbl_mapping and sirius_16_iso_kbl_mapping are required
during initialization so they have to exist in the kernel code anyway.

report_descriptor will most likly not change even for future models and
afaik having report_descriptors in kernel drivers is not unheard of.

So the only things that could be meaningfully moved to a hid-bpf program
are the sirius_16_*_kbl_mapping_pos_* arrays. But for these is have to give
out some fallback value anyway for the case where a hid-bpf file is missing
or fails to load. So why not use real world values from my test device for
these values?

As soon as there is a future device that can use the same driver with just
these pos arrays different, then I would implement that change via a bpf
program instead of a change to the kernel driver.

Let me know if you too think this is a sensefull approach?


Another question: Would this patch need to wait for a userspace
implementation of lamp array before it can get accepted?

It would be nice if you could test the LampArray implementation. But other than that
userspace can catch up later.

Still, i am interested in the opinion of the LED maintainers regarding the fake HID interface.

Thanks,
Armin Wolf


The folder structure and naming scheme with nb04 is im preparation for
other parts of tuxedo-drivers to be upstreamed. NB04 is one of the
board_vendor dmi strings on TUXEDO devices that aligns with which part of
tuxedo-drivers implements the features of that device. They are independent
of each other so I plan to put them in different subfolders to reflect
that.

Best regards,
Werner Sembach

Werner Sembach (1):
   platform/x86/tuxedo: Add virtual LampArray for TUXEDO NB04 devices

  MAINTAINERS                                   |   6 +
  drivers/platform/x86/Kconfig                  |   2 +
  drivers/platform/x86/Makefile                 |   3 +
  drivers/platform/x86/tuxedo/Kbuild            |   6 +
  drivers/platform/x86/tuxedo/Kconfig           |   6 +
  drivers/platform/x86/tuxedo/nb04/Kbuild       |   9 +
  drivers/platform/x86/tuxedo/nb04/Kconfig      |  14 +
  .../platform/x86/tuxedo/nb04/wmi_ab_init.c    | 103 +++
  .../platform/x86/tuxedo/nb04/wmi_ab_init.h    |  18 +
  .../x86/tuxedo/nb04/wmi_ab_virt_lamparray.c   | 772 ++++++++++++++++++
  .../x86/tuxedo/nb04/wmi_ab_virt_lamparray.h   |  18 +
  .../platform/x86/tuxedo/nb04/wmi_xx_util.c    |  97 +++
  .../platform/x86/tuxedo/nb04/wmi_xx_util.h    | 112 +++
  13 files changed, 1166 insertions(+)
  create mode 100644 drivers/platform/x86/tuxedo/Kbuild
  create mode 100644 drivers/platform/x86/tuxedo/Kconfig
  create mode 100644 drivers/platform/x86/tuxedo/nb04/Kbuild
  create mode 100644 drivers/platform/x86/tuxedo/nb04/Kconfig
  create mode 100644 drivers/platform/x86/tuxedo/nb04/wmi_ab_init.c
  create mode 100644 drivers/platform/x86/tuxedo/nb04/wmi_ab_init.h
  create mode 100644 drivers/platform/x86/tuxedo/nb04/wmi_ab_virt_lamparray.c
  create mode 100644 drivers/platform/x86/tuxedo/nb04/wmi_ab_virt_lamparray.h
  create mode 100644 drivers/platform/x86/tuxedo/nb04/wmi_xx_util.c
  create mode 100644 drivers/platform/x86/tuxedo/nb04/wmi_xx_util.h





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