Night light depends on a feature called a "gamma ramp". That feature is not supported without at least a proper KMS graphics driver. That should be available for Raspberry Pi 4 in kernel versions 5.10.7 onward, in theory.
** Tags added: groovy raspi raspi-gfx -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1909747 Title: Night Light not working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1909747/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
