ddccontrol version (return code: 0)
Invalid filename (version).
DDC/CI at version is unusable (-3).
If your graphics card need it, please check all the required kernel modules are loaded (i2c-dev, and your framebuffer driver).
ddccontrol version 0.4.2
Copyright 2004-2005 Oleg I. Vdovikin (oleg@cs.msu.su)
Copyright 2004-2006 Nicolas Boichat (nicolas@boichat.ch)
This program comes with ABSOLUTELY NO WARRANTY.
You may redistribute copies of this program under the terms of the GNU General Public License.
Reading EDID and initializing DDC/CI at bus version...
ddccontrol --help (return code: 1)
ddccontrol: invalid option -- '-'
Usage:
ddccontrol [-b datadir] [-v] [-c] [-d] [-f] [-s] [-r ctrl [-w value]] [-p | dev]
dev: device, e.g. dev:/dev/i2c-0
-p : probe I2C devices to find monitor buses
-c : query capability
-d : query ctrls 0 - 255
-r : query ctrl
-w : value to write to ctrl
-f : force (avoid validity checks)
-s : save settings
-v : verbosity (specify more to increase)
-b : ddccontrol-db directory (if other than /usr/share/ddccontrol-db)
ddccontrol version 0.4.2
Copyright 2004-2005 Oleg I. Vdovikin (oleg@cs.msu.su)
Copyright 2004-2006 Nicolas Boichat (nicolas@boichat.ch)
This program comes with ABSOLUTELY NO WARRANTY.
You may redistribute copies of this program under the terms of the GNU General Public License.