[Bug 194696] Asus X551CAP brightness problem (acpi, acpi_video)

From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 07 Apr 2025 16:15:44 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=194696

Seyed Pouria Mousavizadeh Tehrani <p.mousavizadeh@protonmail.com> changed:

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--- Comment #2 from Seyed Pouria Mousavizadeh Tehrani <p.mousavizadeh@protonmail.com> ---
I have this problem too. My laptop doesn't completely power off either with
(shutdown -p now).

Also, changing my charging threshold via acpi was working about 2 months ago,
but that also broke at the same time after a kernel upgrade.

$ uname -a
FreeBSD host 15.0-CURRENT FreeBSD 15.0-CURRENT #5 main-n276261-297473069610:
Sun Apr  6 22:12:26 +0330 2025    
root@host:/usr/obj/usr/src/amd64.amd64/sys/GENERIC-NODEBUG amd64
$ freebsd-version -ku
15.0-CURRENT
15.0-CURRENT
$ kldstat -m acpi_call
Id  Refs Name
536    1 acpi_call
$ doas acpi_call -p \_SB.PCI0.LPCB.EC0.GBCT
Unknown object type '0'

I'm using system76 coreboot at its latest version.

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