Clight(1)

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/clight/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⟩