vdu_controls
Visual Display Unit virtual control panel
vdu_controls is a virtual control panel for externally connected VDUs (visual display units). Controls are included for backlight brightness, and contrast. vdu_controls uses the ddcutil command line utility to interact with external displays via VESA Display Data Channel (DDC) Virtual Control Panel (VCP) standards.
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openSUSE Tumbleweed
openSUSE Leap 15.5
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Fedora 37