Keyboard Backlight "Auto" ? [solved]

[ikuria]

someone got the "auto" function working in linux?
maybe someone can create a shell script like that:

while do
if keypress than
echo "1" > /sys/class/leds/dell::kbd_backlight/brightness
start timer
end

function start timer
if no keypress around $delay then
echo "0" > /sys/class/leds/dell::kbd_backlight/brightness
end

?

[hg8]

What Linux distribution are you using ? I know that this is done by default in Ubuntu. Maybe take a look at how it's done to port it to other distributions ?

[ikuria]

linux mint, so its ubuntu - fn+f10 only gives me 50% 100% disabled options

[ikuria]

okay solved: echo 10s > /sys/class/leds/dell::kbd_backlight/stop_timeout

[rpbaptist]

Strange. I am also using Linux Mint and this was working for me without configuration. 17.1 - 17.3. Now on kernel 4.2.0-22 generic.

[ikuria]

maybe i changed the stop_timeout value before, but its okay now all worked well g

[mpalourdio]

What is Keyboard Backlight "Auto" supposed to do please ? I mean, what is the expected behaviour ?

My fn+F10 works, but I have only 3 options : disabled, 50%, 100%. The backlight stops when idle for some minutes AFAIK.

Thanks.

[ikuria]

disabled, 50% always on, 100% always on, auto = with idletime - but this has been changed (old idea for the steps in old bios) with the stop_timeout variable so you can set it to always on by stop_timeout 0 i think.
i had this always on problem and the stop_timeout change to "10s" brings back the idletime

[mpalourdio]

Thanks, I will give it a try.