ddcutil

linux

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

Options (5)

boolean

List all compatible displays

Example: ddcutil {{[det|detect]}}

boolean

Query the first compatible display for capabilities

Example: ddcutil {{[cap|capabilities]}}

-d, --displayboolean

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

Example: ddcutil {{[-d|--display]}} 1 {{[set|setvcp]}} 10 50

boolean

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

Example: ddcutil {{[-d|--display]}} 1 {{[set|setvcp]}} 10 50

boolean

Read the settings of display 1

Example: ddcutil {{[-d|--display]}} 1 {{[get|getvcp]}} ALL

List all compatible displays

ddcutil [det|detect]

Query the first compatible display for capabilities

ddcutil [cap|capabilities]

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

ddcutil [-d|--display] 1 [set|setvcp] 10 50

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

ddcutil [-d|--display] 1 [set|setvcp] 12 + 5

Change the display source (option `60`) of a display

ddcutil [-d|--display] 1 [set|setvcp] 60 0x0f

Read the settings of display 1

ddcutil [-d|--display] 1 [get|getvcp] ALL