[Bug 2089113] [NEW] Keyboard backlight controls do not work on Asus ROG Zephyrus GA503RM in Oracular

Public bug reported:

On almost all ASUS ROG series laptops the MCU used for the USB keyboard
also has a HID packet used for setting the brightness. This is usually
the same as the WMI method. But in some laptops the WMI method either
is missing or doesn't work, so we should default to the HID control.

A patch series that fixes this is already upstream:
https://lore.kernel.org/all/20240713074733.77334-2-luke@ljones.dev/

I'm opening this bug to SRU this series into Oracular.

** Affects: linux (Ubuntu)
Importance: Undecided
Assignee: Mitchell Augustin (mitchellaugustin)
Status: Confirmed

** Package changed: linux-nvidia-6.2 (Ubuntu) => linux (Ubuntu)

** Changed in: linux (Ubuntu)
Status: New => Confirmed

** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Mitchell Augustin (mitchellaugustin)

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https://bugs.launchpad.net/bugs/2089113

Title:
Keyboard backlight controls do not work on Asus ROG Zephyrus GA503RM
in Oracular

Status in linux package in Ubuntu:
Confirmed

Bug description:
On almost all ASUS ROG series laptops the MCU used for the USB keyboard
also has a HID packet used for setting the brightness. This is usually
the same as the WMI method. But in some laptops the WMI method either
is missing or doesn't work, so we should default to the HID control.

A patch series that fixes this is already upstream:
https://lore.kernel.org/all/20240713074733.77334-2-luke@ljones.dev/

I'm opening this bug to SRU this series into Oracular.

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