Rafał Miłecki <zaj...@gmail.com> wrote: > There are some (rare) devices with a button for disabling LEDs > (e.g. ASUS RT-AC68U). I'm looking for a way to support such a > feature. Maybe at some point we could also support it as an > extra feature triggerable from UI. > > So basically I probably need to add some smart /etc/rc.button/ > handler. Unfortunately I don't have a good idea for that. > > I can't relay on /etc/config/system and LEDs there as not all > of them are specified there. Many LEDs don't require changing > and they are set to default state based on platform/DT data. > > So I guess I should somehow store state of all LEDs from > /sys/class/leds/ and set their triggers to "none". When > receiving KEY_BRIGHTNESS_ZERO I should restore the state. > > Any tips for implementing this? There are various triggers with > various extra settings in /sys/class/leds/*/ >
Related, even with leds set in /etc/config/system, their triggers aren't setup until S96. How can they get setup earlier? I've got a daemon that wants a led trigger file to be passed in for it to write to on activity, but the triggers aren't set. Is /etc/config/system ever actually useful for leds? Sincerely, Karl Palsson
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