Let's try manually whether backlight interfaces work. cd /sys/class/backlight/radeon_bl0 # get max brightness cat max_brightness # get current brightness cat brightness # change current brightness, assuming max=120000 echo 120000 | sudo tee brightness echo 60000 | sudo tee brightness
Once done, did you see brightness changed? -- 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
