NAME

Clight - a user daemon utility that aims to fully manage your display.

SYNOPSIS

clight [-vw?] [-f, --frames INT] [-d, --device video0] [-b, --backlight intel_backlight]
[--no-backlight-smooth] [--no-gamma-smooth] [--no-dimmer-smooth-enter] [--no-dimmer-smooth-exit]
[--day-temp INT] [--night-temp INT] [--lat DOUBLE] [--lon DOUBLE] [--sunrise 07:00] [--sunset 19:00]
[--no-gamma] [--no-dimmer] [--no-dpms] [--no-backlight] [--no-screen] [--no-kbd]
[--dimmer-pct DOUBLE] [--no-auto-calib] [--shutter-thres DOUBLE] [--gamma-long-transition] [--ambient-gamma]
[-c, --conf-file STRING] [-w, --wizard] [--verbose] [-v, --version] [-?, --help] [--usage]

DESCRIPTION

clight allows to match your backlight level to ambient brightness, computed by capturing frames from webcam or Ambient Light Sensors.
It does also support adjusting external monitors and keyboards backlight.
Moreover, it can manage your screen temperature, dim your screen after a timeout and manage screen DPMS.

OPTIONS

-c, --conf-file config-file
Parse an additonal config-file to override other configs.

-v, --version
Print program version.

-w, --wizard
Run a small wizard to calibrate sensor curve.

-f, --frames number
Customize frames taken for each capture, between 1 and 20.

-d, --device device
Specify sensor device. If empty, first matching device is used.

--no-backlight-smooth
Disable backlight smooth transitions.

--no-gamma-smooth
Disable gamma smooth transitions.

--no-dimmer-smooth-enter
Disable smooth transitions while entering dimmed state.

--no-dimmer-smooth-exit
Disable smooth transitions while leaving dimmed state.

--day-temp number
Customize daily screen temperature.

--night-temp number
Customize nightly screen temperature.

--gamma-long-transition
Enable a very long smooth transition for gamma (redshift-like).

--ambient-gamma
Enable screen temperature matching ambient brightness instead of being time based.

--lat double
Desired latitude.

--lon double
Desired longitude.

--sunrise time
Specify sunrise time for gamma correction.

--sunset time
Specify sunset time for gamma correction.

--no-gamma
Disable gamma correction tool.

--no-dimmer
Disable dimmer tool.

--no-dpms
Disable dpms tool.

--no-backlight
Disable backlight calibration tool.

--no-screen
Disable screen emitted brightness correction tool.

--no-kbd
Disable keyboard backlight calibration tool.

--dimmer-pct double
Backlight level used while screen is dimmed, in pergentage.

--verbose
Enable verbose mode.

--no-auto-calib
Disable screen backlight automatic calibration.

--shutter-thres double
Threshold to consider a capture as clogged.

FILES

/etc/default/clight.conf
The system wide configuration file.

$HOME/.config/clight.conf
Per user configuration file.

AUTHOR

Federico Di Pierro nierro92@gmail.com ⟨mailto:nierro92@gmail.com⟩