15:31 ilgaz: I think my nvidia 9400 has been hit by some kernel 6.1 introduced "revamp". /sys/class/backlight is empty
16:03 KitsuWhooa: Sounds like https://hansdegoede.livejournal.com/26427.html
16:03 KitsuWhooa: might want to contact them
16:04 ilgaz: I also suspected openSUSE TW but I see CONFIG_DRM_NOUVEAU_BACKLIGHT=y
16:05 ilgaz: KitsuWhooa: Oh yes mailed him. The bad luck part is, I haven't unplugged this macbook for months and just yesterday I figured brigtness can't be controlled.