I have a similar problem in 22.04 Thinkpad 430. After coming back from standby is at lowest level and I need to increase by using the special keyboard keys. I did not have it before the upgrade in 18.04.
``` Jun 28 08:59:08 username kernel: [ 4.917544] thinkpad_acpi: This ThinkPad has standard ACPI backlight brightness control, supported by the ACPI video driver Jun 28 08:59:08 username kernel: [ 5.035849] thinkpad_acpi: Standard ACPI backlight interface available, not loading native one Jun 29 09:46:20 username kernel: [51863.067875] video LNXVIDEO:00: Restoring backlight state Jun 29 22:20:29 username kernel: [ 6.814113] thinkpad_acpi: This ThinkPad has standard ACPI backlight brightness control, supported by the ACPI video driver Jun 29 22:20:29 username kernel: [ 6.894725] thinkpad_acpi: Standard ACPI backlight interface available, not loading native one Jun 29 22:20:29 username systemd[1]: Created slice Slice /system/systemd-backlight. Jun 29 22:20:29 username systemd[1]: Starting Load/Save Screen Backlight Brightness of leds:tpacpi::kbd_backlight... Jun 29 22:20:29 username systemd[1]: Finished Load/Save Screen Backlight Brightness of leds:tpacpi::kbd_backlight. Jun 29 22:20:29 username systemd[1]: Starting Load/Save Screen Backlight Brightness of backlight:acpi_video0... Jun 29 22:20:29 username systemd[1]: Starting Load/Save Screen Backlight Brightness of backlight:intel_backlight... Jun 29 22:20:29 username systemd[1]: Finished Load/Save Screen Backlight Brightness of backlight:intel_backlight. Jun 29 22:20:29 username systemd[1]: Finished Load/Save Screen Backlight Brightness of backlight:acpi_video0. Jun 30 08:00:18 username kernel: [ 5430.745580] video LNXVIDEO:00: Restoring backlight state ``` -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-settings-daemon in Ubuntu. https://bugs.launchpad.net/bugs/844241 Title: Backlight not restored when moving the mouse To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-settings-daemon/+bug/844241/+subscriptions -- desktop-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
