I don't know if this is relevant but when I run:
# echo 255 > /sys/devices/platform/applesmc.768/leds/smc::kbd_backlight/brightness
I get permission denied. However, I can run:
# echo 255 | sudo tee -a /sys/class/leds/smc::kbd_backlight/brightness
..from the intrepid docs and it works flawlessly.
I don't know if this is relevant but when I run:
# echo 255 > /sys/devices/ platform/ applesmc. 768/leds/ smc::kbd_ backlight/ brightness
I get permission denied. However, I can run:
# echo 255 | sudo tee -a /sys/class/ leds/smc: :kbd_backlight/ brightness
..from the intrepid docs and it works flawlessly.