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Linux provides some tools to interact with the gpiochip interface (which
replaces the deprecated sysfs GPIO interface). Expose these as a
package.
Motivation for this change
In the upgrade to 20.03, the sysfs interface for GPIO pins was removed for the stock kernel. The new gpiochip interface is less straightforward to interact with, and these tools were not previously packaged.
Things done
I've tested the binaries on a raspberry pi 3.
sandbox
innix.conf
on non-NixOS linux)./result/bin/
)nix-shell -p nixpkgs-review --run "nixpkgs-review wip"
nix path-info -S
before and after)