Quoting Brice Goglin ([EMAIL PROTECTED]): > You should probably use the xbacklight tool (xbacklight package) instead > of the brightness control keys. The latter might change things in the > back of the driver (through the BIOS), causing possible problems. > > There are some problems with xbacklight though, for instance bug #438969.
My current experience with xbacklight is that it indeed sets the maximum brightness I can reach by playing with the brightness control keys on my Dell X1. These can still be used but they only change the brightness between 0 and the maximum set by xbacklight. That probably changes a lot between laptops and graphics card flavours. I sometimes also experience weirdness like having to hit the backlight increase key to.....decrease the brightness..:-)
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