[Bug 280553] acpi_ibm brightness adjust thinkpad x260 does not work

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 02 Aug 2024 05:59:12 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=280553

rkoberman@gmail.com changed:

           What    |Removed                     |Added
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                 CC|                            |rkoberman@gmail.com

--- Comment #2 from rkoberman@gmail.com ---
I use a devd script to make the brightness keys work on my ThinkPad T16:
notify 100 {
         match "system"                  "ACPI";
         match "subsystem"               "IBM";
         match "notify"                  "0x10";
         action "/usr/bin/backlight +";
};

notify 100 {
         match "system"                  "ACPI";
         match "subsystem"               "IBM";
         match "notify"                  "0x11";
         action "/usr/bin/backlight -";
};

I created /etc/devd/thinkpad.conf with the above in it.

I'd like to credit the person who sent this to me several years ago for my old
ThinkPad T470, but I can't find the message. Would love to see this documented
somewhere.

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