I have my ASUS X556U with DualBoot between W10 and Debian Jessie, but I need to regulate the brightness.
I've been serching in Google and I found xbacklight, but I have a problem while executing it:
barreeeiroo@Debian-Diego ~> xbacklight -dec 10 No outputs have backlight property barreeeiroo@Debian-Diego ~>
Then I search in Google more info about the problem, and I found this post, but it causes another problem:
barreeeiroo@Debian-Diego ~> sudo ln -s /sys/devices/pci0000:00/0000:00:14.0/usb1/1-5/1-5:1.0/rtsx_usb_sdmmc.4/leds/mmc0::/brightness /sys/class/backlight [sudo] password for barreeeiroo: ln: failed to create symbolic link ‘/sys/class/backlight/brightness’: Operation not permitted barreeeiroo@Debian-Diego ~>
I've adapted the route to my computer
Then I tried to use
chown, but is the same problem.
So, my questions are:
- Is possible to fix that error?
- Is there any other method to manage brightness in Debian?