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

From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 14 Apr 2025 04:51:05 UTC 
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=194696

Alexander Ziaee <ziaee@runbox.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |manu@freebsd.org,
                   |                            |ziaee@runbox.com
           Assignee|multimedia@FreeBSD.org      |acpi@FreeBSD.org

--- Comment #3 from Alexander Ziaee <ziaee@runbox.com> ---
I also have this problem on Dell Precision 5470. The backlight command works
fine for runtime, but the hw.acpi.video.lcd0.brightness sysctl accepts changes
but does nothing.

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