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List:       freedesktop-xorg
Subject:    Xrandr, gamma and framebuffer devices
From:       Riza Dindir <riza.dindir () gmail ! com>
Date:       2021-11-08 11:44:14
Message-ID: CA+ek4BF6=XN4jfRTAeYWi861U+rSQ-q7n2gZckhutWd18NYhig () mail ! gmail ! com
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Hello All,

I am using netbsd 9.2 with genfb. I wanted to adjuat the screen brightness
using xrandr. But it says failed to get gamma for output.

How to set the gamma value when using a framebuffer device?

Thanks in advance for your help.

Regards
Riza

[Attachment #3 (text/html)]

<div dir="auto">Hello All,<div dir="auto"><br></div><div dir="auto">I am using netbsd \
9.2 with genfb. I wanted to adjuat the screen brightness using xrandr. But it says \
failed to get gamma for output.</div><div dir="auto"><br></div><div dir="auto">How to \
set the gamma value when using a framebuffer device?</div><div \
dir="auto"><br></div><div dir="auto">Thanks in advance for your help.</div><div \
dir="auto"><br></div><div dir="auto">Regards</div><div dir="auto">Riza</div></div>



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