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Diffstat (limited to 'brightness-control/README.rst')
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diff --git a/brightness-control/README.rst b/brightness-control/README.rst new file mode 100644 index 0000000..89296a1 --- /dev/null +++ b/brightness-control/README.rst @@ -0,0 +1,18 @@ +Brightness control +================== + +Add the following line in `/etc/rc.local` to make it a startup job :: + + sudo chmod o+w /sys/class/backlight/<somefile>/brightness + +Now with a simple bash script we can `echo` suitable values to +above `brightness` file and change the brightness of the screen. It would +be a good practice to know the max brightness allowed by reading the file :: + + cat /sys/class/backlight/<somefile>/max_brightness + +Now to set brightness we use :: + + echo 50 > /sys/class/backlight/<somefile>/brightness + + |