i rebooted and old laptop today that's running bookworm the display came up very dim /sys/class/backlight/radeon_bl0/brightness was set to 50 i adjusted it to 225 and it looked ok this has never happened before also in /var/log/syslog i see
systemd[1]: Starting Load/Save Screen Backlight Brightness of backlight:radeon_bl0... systemd[1]: Finished Load/Save Screen Backlight Brightness of backlight:radeon_bl0. how can i find the culprit that's doing this
