Hello, I want to configure Keyboard Backlight Timeout on Dell Latitude E6440. I'm using preinstalled Linux OS Dell Ubuntu 12.04.2.
I found this post http://en.community.dell.com/techcenter/enterprise-client/f/4448/p/19415396/19975858.aspx#19975858 from Warren Byle.
He wrote how to change Keyboard Backlight illumination level with tool CCTK. I downloaded CCTK for Red Hat Linux and looks like it working fine on Ubuntu too. With that --token commands I'm able to change Keyboard Backlight level which is good.
But I still do not know how to change Keyboard Backlight Timeout. Backlight is still turned off after 10 seconds. Is there some special --token for configuring this timeout?
According to other posts it looks like configring timeout to 5 minutes could be possible, because there are Windows applications which could do that (e.g Dell System Manager Application under Control Point)
Dell now released tool called smbios-keyboard-ctl  for configurting keyboard backlight (both timeout and trigger). It is in libsmbios repository . I have tried it and it working fine.
So this problem is solved now. Thanks!
 - http://linux.dell.com/cgi-bin/cgit.cgi/libsmbios.git/tree/src/bin/smbios-keyboard-ctl
 - http://linux.dell.com/cgi-bin/cgit.cgi/libsmbios.git/
I know this is an old post but I found a way in Mint 18+ to set this to 15min max is all I could go but it works.
elevated privileges edit stop_timeout and set to 15m. This seems to be the max and much better than the 30seconds it was at.