APPLIED[M,J]: [SRU] [J/M/N] [PATCH 0/1] Avoid creating non-working backlight sysfs knob from ASUS board

[Roxana Nicolescu]

On 08/04/2024 05:33, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/2060422
>
> [Impact]
> Backlight sysfs knobs created by asus-wmi don't really work, hence
> systemd-backlight services are in failed state.
>
> [Fix]
> Ensure the backlight device are really present
>
> [Test]
> With the fix applied, the backlight sysfs knobs are not longer present
> under /sys/class/backlight, so there's no more failed systemd-backlight
> service.
>
> [Where problems could occur]
> Though highly unlikely, but if there's working device that is created
> even when the WMI read is 0xffffffff, the device will be missing.
>
> Kai-Heng Feng (1):
>    platform/x86: asus-wmi: Consider device is absent when the read is ~0
>
>   drivers/platform/x86/asus-wmi.c | 12 +++++++++++-
>   1 file changed, 11 insertions(+), 1 deletion(-)
>
Applied to mantic, jammy master-next branches. Thanks!