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Control the  brightness and contrast of an lvds screen on I.MX6 bord

Question asked by MG K on May 15, 2014
Latest reply on Jun 1, 2014 by MG K

Hi all,


I would like to control the screen's brightness and contrast on my i.mx6 quad board (an udoo quad board) under ubuntu linaro

I tried to modify the brightness through /sys/class/backlight/pwm-backlight.0/brightness but is not working.

I tried the same thing on other files to do rotation and it worked.


Did someone succeeded to do change these parameters ?


Thanks in advance.