Am 25.10.2017 um 06:39 schrieb Michał Kępień: >>> - Investigating the E LED. This requires taking a look at the DSDT >>> dump from your laptop and searching for clues as to how this LED is >>> handled. I will be happy to do that, but again, no promises about >>> how much time it will take. (And given the nature of this task, I >>> cannot promise I will find anything reasonable at all. I also might >>> ask you to do some further experiments as I do not have an E751 >>> myself.) > > I feel stupid for only suggesting this now, but can this simply be the > eco LED? The DSDT dump from your laptop suggests so, as well as the > description of the E LED in the manual. Have you tried playing around > with /sys/class/leds/fujitsu::eco_led? No, I haven't. I tried to set brightness to 255 and back to 0: [root@gruenix ~]# echo 255 >/sys/class/leds/fujitsu::eco_led/brightness => eco LED lights up! [root@gruenix ~]# cat /sys/class/leds/fujitsu::eco_led/brightness => eco LED off! Tadaaa! So yes, this is the eco LED of my E751. >> Don't forget to take a look at the I LED... > > I could not find anything in the DSDT dump from your laptop that would > suggest this LED can be controlled using ACPI. > Greetings Harvey -- I am root. If you see me laughing, you'd better have a backup!
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