Last comment from Keng-Yu For this platform, there are two acpi nodes controlling the backlight from DSDT (_SB.PCI0.GFX0.LCD0 and DD02), current kernel code (drivers/acpi/video.c) can only support one ACPI BUS. It is suspected that kernel chose the non-working one.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1169409 Title: [HP Pavilion 23] Brightness control doesn't work. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1169409/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
