CmdID

CmdID / Commands

ddcutil

Control the settings of connected displays via DDC/CI. tldr-pages

On Linux

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Linux

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Control the settings of connected displays via DDC/CI. This command requires the kernel module i2c-dev to be loaded.

List all compatible displays

ddcutil [detIdentify

Query the first compatible display for capabilities

ddcutil [capIdentify

Change the brightness (option 10) of display 1 to 50%

ddcutil --display 1 [set 10 50Identify

Increase the contrast (option 12) of display 1 by 5%

ddcutil --display 1 [set 12 + 5Identify

Change the display source (option 60) of a display

ddcutil --display 1 [set 60 0x0fIdentify

Read the settings of display 1

ddcutil --display 1 [get ALLIdentify

See also

modprobe