xubuntu@xubuntu:~$ cd /sys/class/backlight/radeon_bl0
xubuntu@xubuntu:/sys/class/backlight/radeon_bl0$ cat max_brightness
255
xubuntu@xubuntu:/sys/class/backlight/radeon_bl0$ cat brightness
255
xubuntu@xubuntu:/sys/class/backlight/radeon_bl0$ echo 120000 | sudo tee 
brightness
120000
tee: brightness: Invalid argument
xubuntu@xubuntu:/sys/class/backlight/radeon_bl0$ echo 60000 | sudo tee 
brightness
60000
tee: brightness: Invalid argument
xubuntu@xubuntu:/sys/class/backlight/radeon_bl0$

-- 
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1894667

Title:
  [HP 635] Radeon 6310 brightness control does not work

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1894667/+subscriptions

-- 
ubuntu-bugs mailing list
[email protected]
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs

Reply via email to