Query and change monitor settings ddcutil communicates with monitors implementing MCCS (Monitor Control Command Set), using either the DDC/CI protocol on the I2C bus or as a Human Interface Device on USB. In general, anything that can be controlled using a monitor's on-screen display can be controlled by this program. Examples include changing a monitor's input source and adjusting its brightness.
acquired package info from repodata DB: repodata/f0b2606f1dc0294014b17bb8ea9231f0129611b4c9610b9db40f82da2b1f63da-primary.sqlite.bz2