есть gentoo с kernel 5.10, ноутбук asus vivobook s14 с ryzen 4300U, xfce4
1. Попытка настройки кнопок изменения яркости экрана: F4 и F5:
1) find /sys/ -type f -iname '*brightness*'
/sys/devices/platform/i8042/serio0/input/input3/input3::numlock/brightness
/sys/devices/platform/i8042/serio0/input/input3/input3::numlock/max_brightness
/sys/devices/platform/i8042/serio0/input/input3/input3::capslock/brightness
/sys/devices/platform/i8042/serio0/input/input3/input3::capslock/max_brightness
/sys/devices/platform/i8042/serio0/input/input3/input3::scrolllock/brightness
/sys/devices/platform/i8042/serio0/input/input3/input3::scrolllock/max_brightness
/sys/devices/pci0000:00/0000:00:08.1/0000:03:00.0/backlight/amdgpu_bl0/actual_brightness
/sys/devices/pci0000:00/0000:00:08.1/0000:03:00.0/backlight/amdgpu_bl0/brightness
/sys/devices/pci0000:00/0000:00:08.1/0000:03:00.0/backlight/amdgpu_bl0/max_brightness
/sys/devices/pci0000:00/0000:00:08.1/0000:03:00.3/usb1/1-3/1-3:1.1/0003:248A:8514.0002/input/input9/input9::kana/brightness
/sys/devices/pci0000:00/0000:00:08.1/0000:03:00.3/usb1/1-3/1-3:1.1/0003:248A:8514.0002/input/input9/input9::kana/max_brightness
/sys/devices/pci0000:00/0000:00:08.1/0000:03:00.3/usb1/1-3/1-3:1.1/0003:248A:8514.0002/input/input9/input9::compose/brightness
/sys/devices/pci0000:00/0000:00:08.1/0000:03:00.3/usb1/1-3/1-3:1.1/0003:248A:8514.0002/input/input9/input9::compose/max_brightness
/sys/devices/pci0000:00/0000:00:08.1/0000:03:00.3/usb1/1-3/1-3:1.1/0003:248A:8514.0002/input/input9/input9::capslock/brightness
/sys/devices/pci0000:00/0000:00:08.1/0000:03:00.3/usb1/1-3/1-3:1.1/0003:248A:8514.0002/input/input9/input9::capslock/max_brightness
/sys/devices/pci0000:00/0000:00:08.1/0000:03:00.3/usb1/1-3/1-3:1.1/0003:248A:8514.0002/input/input9/input9::numlock/brightness
/sys/devices/pci0000:00/0000:00:08.1/0000:03:00.3/usb1/1-3/1-3:1.1/0003:248A:8514.0002/input/input9/input9::numlock/max_brightness
/sys/devices/pci0000:00/0000:00:08.1/0000:03:00.3/usb1/1-3/1-3:1.1/0003:248A:8514.0002/input/input9/input9::scrolllock/brightness
/sys/devices/pci0000:00/0000:00:08.1/0000:03:00.3/usb1/1-3/1-3:1.1/0003:248A:8514.0002/input/input9/input9::scrolllock/max_brightness
/sys/devices/pci0000:00/0000:00:02.2/0000:01:00.0/leds/phy0-led/brightness
/sys/devices/pci0000:00/0000:00:02.2/0000:01:00.0/leds/phy0-led/max_brightness
/sys/module/video/parameters/hw_changes_brightness
/sys/module/video/parameters/brightness_switch_enabled
2) emerge --ask acpilight
3) cat /etc/udev/rules.d/90-backlight.rules
at /etc/udev/rules.d/90-backlight.rules
SUBSYSTEM=="leds", ACTION=="add", KERNEL=="*::kbd_backlight", \
RUN+="/bin/chgrp video /sys/class/leds/%k/brightness", \
RUN+="/bin/chmod g+w /sys/class/leds/%k/brightness"
2. что можно сообразить с подсветкой?
