LXDE Forums

Also note the udev rule provided in the help output. IT at least, doesn't care what video driver you use. But one further complication not mentioned in the docs is, it assumes all users are members of group video, which I thought was pretty universal but apparently is not. So you need to add yoursel...

The "dcon-bl" part of the path is different for every video driver, and also can be changed by kernel boot parameters and module parameters. For instance mine shows both a "acpi-bl" (which doesn't actually work) and "psb-bl" (which works) But if I put acpi_backlight=ven...