Xorg framebuffer and brightness of screen
zarniwhoop at ntlworld.com
Wed Nov 10 17:45:16 UTC 2021
On Wed, Nov 10, 2021 at 10:15:18AM +0300, Riza Dindir wrote:
> Hello All,
> I woukd like to know if I can adjust the screen brightness when using the
> framebuffer device on xorg?
> Thanks in advance.
Probably, assuming you want to reduce the brightness. A desktop
environment might provide something (my laptop now runs xfce, one of
the panel plugins provides that), but in the past I've used xrandr.
xrandr --output <name> --brightness <value>
You'll need to discover the output names on your own machine
xrandr --verbose | less
and look for the 'connected' item (usually a variant of DP, HDMI or
A value of 1.0 is full brightness, which is what you currently have.
Try different settings (maybe start at 0.75) and see if you can find
a value which suits.
Vetinari smiled. "Can you keep a secret, Mister Lipwig?"
"Oh, yes, sir. I've kept lots."
"Capital. And the point is, so can I. You do not need to know.”
More information about the xorg