Re: how to turn off backlight in console (without any X server)

From	tomas@tuxteam.de
Newsgroups	linux.debian.user
Subject	Re: how to turn off backlight in console (without any X server)
Date	2016-11-08 14:10 +0100
Message-ID	<sBek1-1kJ-1@gated-at.bofh.it> (permalink)
References	<syHix-MM-9@gated-at.bofh.it> <syHBT-Ty-11@gated-at.bofh.it> <sBcid-8hA-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Tue, Nov 08, 2016 at 11:49:40AM +0100, Laurent Debian wrote:
> Hi and thanks for your ideas
> 
> Unfortunately there is no directory  /sys/class/backlight on my system.
> After a
> 
> > locate backlight
> >
> I juste had the following files as seemingly relevant.
> 
> > /var/lib/systemd/backlight/pci-0000:02:00.0:backlight:nv_backlight
> > /var/lib/systemd/backlight/platform-applesmc.768:leds:smc::kbd_backlight
> >
> Which were both at 100 but an echo 0 > ....  had no effect on the backlight
> (tough it tuned to 0 the value of in the  files )
> Any ideas where I should start to look at ?

Hm Sorry. Are you able to change backlight under X? Perhaps there are clues
to be extracted from that?

regards
- -- t
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Thread

how to turn off backlight in console (without any X server) Laurent Debian <laurent.debian@gmail.com> - 2016-11-01 14:30 +0100
  Re: how to turn off backlight in console (without any X server) <tomas@tuxteam.de> - 2016-11-01 14:50 +0100
    Re: how to turn off backlight in console (without any X server) Laurent Debian <laurent.debian@gmail.com> - 2016-11-08 12:00 +0100
      Re: how to turn off backlight in console (without any X server) tomas@tuxteam.de - 2016-11-08 14:10 +0100
        Re: how to turn off backlight in console (without any X server) Laurent Debian <laurent.debian@gmail.com> - 2016-11-08 14:20 +0100

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