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MacBook Pro Late 2011 (8,2) backlit keyboard not working

Journalctl says:

Starting Load/Save Screen Backlight Brightness of leds:smc::kbd_backlight...

When I press the hotkeys, it shows the icon but there is no progress bar. Only running this command can modify the brightness:

echo 50 > /sys/class/leds/smc*/brightness

Any help would be appreciated!

MacBook Pro Late 2011 (8,2) backlit keyboard not working

Journalctl says:

Starting Load/Save Screen Backlight Brightness of leds:smc::kbd_backlight...
fedora upowerd[2116]: up_kbd_backlight_brightness_read: assertion 'fd >= 0' failed

When I press the hotkeys, it shows the icon but there is no progress bar. Only running this command can modify the brightness:

echo 50 > /sys/class/leds/smc*/brightness

Any help would be appreciated!

MacBook Pro Late 2011 (8,2) backlit keyboard not working

Journalctl says:

Starting Load/Save Screen Backlight Brightness of leds:smc::kbd_backlight...
fedora upowerd[2116]: up_kbd_backlight_brightness_read: assertion 'fd >= 0' failed

When I press the hotkeys, it shows the icon but there is no progress bar. Only running this command can modify the brightness:

echo 50 > /sys/class/leds/smc*/brightness

Any help would be appreciated!