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gpio-key dtoverlay not working as documented in Lakka 2.1.1 #546

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32teeth opened this issue Sep 28, 2018 · 1 comment
Open

gpio-key dtoverlay not working as documented in Lakka 2.1.1 #546

32teeth opened this issue Sep 28, 2018 · 1 comment

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@32teeth
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@32teeth 32teeth commented Sep 28, 2018

Which version of Lakka are you using?

Lakka 2.1.1

What system hardware are you using?

Raspberry Pi Zero W

What did you do?

dtoverlay call in config.txt

# never works
dtoverlay=gpio-key,gpio=13,label="RIGHT",keycode=103

command line call
does not work either, but gives no errors

dtoverlay gpio-key gpio=13 keycode=106 label="RIGHT"

What did you expect to happen?

Be able to press a button connected to GPIO13 and be able to have it simulate keycode 103 (right arrow)

What happened instead?

NOTHING
@Gadgetoid
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@Gadgetoid Gadgetoid commented Sep 24, 2019 •
edited

I'm a bit late to the party here, but in order for gpio-key bindings to be recognised as keyboard input you need a udev rule like this - https://github.com/pimoroni/picade-hat/blob/lakka/lakka-driver/10-picade.rules

SUBSYSTEM=="input", ATTRS{name}=="gpio_keys", ENV{ID_INPUT_KEYBOARD}="1"

You should place this in: /storage/.config/udev.rules.d/
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