EeePC LCD brightness control
Nate Lawson
nate at root.org
Mon Apr 21 04:10:05 UTC 2008
Eric Anholt wrote:
> On Sun, 2008-04-13 at 06:53 +0900, Akira Funahashi wrote:
>> Hi,
>>
>> I've created a patch to FreeBSD 7.0-RELEASE for ASUS EeePC.
>> The patch will be applied to /sys/dev/acpi_support/acpi_asus.c,
>> which enalbes me to control LCD brightness on EeePC through
>> sysctl and [Fn]+[F3],[F4] key.
>>
>> Here is a patch:
>> http://celldesigner.org/~funa/acpi_asus.c.diff
>>
>> Hope this helps,
>
> We really need to work out how to get these keys reported as input
> events so that they can be passed through to the desktop and handled in
> an appropriate manner. As-is, we end up with poor backlight management
> because we've got ACPI and the 2D driver (and HAL trying to use one of
> the two) fighting over who controls it.
I'm happy if someone examines how linux dbus does it and comes up with a
design. These drivers can be converted wholesale once we have a plan.
I don't agree if the plan is to just hack some hardcoded values into
kbd(4), on the other hand.
--
Nate
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