Xorg framebuffer and brightness of screen
mrmazda at earthlink.net
Thu Nov 11 07:29:12 UTC 2021
Riza Dindir composed on 2021-11-11 10:16 (UTC+0300):
>> On Wed, Nov 10, 2021 at 10:15:18AM +0300, Riza Dindir wrote:
>>> I woukd like to know if I can adjust the screen brightness when using the
>>> framebuffer device on xorg?
> I am using gop, and a framebuffer. When i try to use the xrandr, it says
> "gamma is set to 0", or "failed to get size of gamma for output default".
> I can set the gamma uaing xgamma and in the xorg.conf file.
If you upload /var/log/Xorg.0.log to a pastebin and share its URL someone may spot
a clue to your obstacle.
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