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Date:      Thu, 29 Nov 2018 22:22:15 -0500
From:      Ken M <ken@mack-z.com>
To:        Julien Cigar <julien@perdition.city>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Power management
Message-ID:  <20181130032215.GA14196@ultron>
In-Reply-To: <20181129122734.GR26775@mordor.lan>
References:  <20181129113646.GA45451@ultron> <20181129122734.GR26775@mordor.lan>

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On Thu, Nov 29, 2018 at 01:27:34PM +0100, Julien Cigar wrote:
> On Thu, Nov 29, 2018 at 06:36:46AM -0500, Ken M wrote:
 
> try to add:
> 
> in /boot/loader.conf:
> acpi_video_load="YES"
> 
> in /etc/sysctl.conf:
> hw.acpi.video.lcd0.brightness=50
> 

So after I did this the laptop still booted to full brightness. On top of that
the brightness keys stopped working. I was how ever able to change brightness
with a sudo sysctl command. Then the really odd thing the increase brightness
key still didn't work but the decrease brightness key sent it back to full
brightness???

On a hunch I tried instead using acpi_ibm, but that didn't workout.

Ken



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