You will need to export the GPIOs to userspace. The changes for this can
be included in the initrd, and thus into the kernel boot image. Look at
the relevant file in kernel/Documentation.
Next, you need to allow apps to access the exported GPIO. A chmod 777 works
to test things. Once this is don
If you follow standard Android/kernel development standards, the GPIOs
should be exported via "sysfs". The only customization you may need in the
init script is to enable write permissions for your application.
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