Skip site navigation (1)Skip section navigation (2)
Date:      Thu, 29 Nov 2018 14:07:24 +0100
From:      Polytropon <freebsd@edvax.de>
To:        Julien Cigar <julien@perdition.city>
Cc:        Ken M <ken@mack-z.com>, freebsd-questions@freebsd.org
Subject:   Re: Power management
Message-ID:  <20181129140724.f619c29e.freebsd@edvax.de>
In-Reply-To: <20181129122734.GR26775@mordor.lan>
References:  <20181129113646.GA45451@ultron> <20181129122734.GR26775@mordor.lan>

Next in thread | Previous in thread | Raw E-Mail | Index | Archive | Help
On Thu, 29 Nov 2018 13:27:34 +0100, Julien Cigar wrote:
> On Thu, Nov 29, 2018 at 06:36:46AM -0500, Ken M wrote:
> > [...]
> > So I guess the long and short of my question is what would be the correct way to
> > set the brightness at boot? And also is there perhaps any other tweaks I could
> > make to improve battery life?
> 
> try to add:
> 
> in /boot/loader.conf:
> acpi_video_load="YES"
> 
> in /etc/sysctl.conf:
> hw.acpi.video.lcd0.brightness=50

Also try running powerd. Decreasing CPU speed when system load is low
might also help.


-- 
Polytropon
Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...



Want to link to this message? Use this URL: <http://docs.FreeBSD.org/cgi/mid.cgi?20181129140724.f619c29e.freebsd>