On 09/09/2015 04:11 AM, Hans de Goede wrote:
> The devicetree binding for gpio-keys-polled already allows specifying
> what type of events (key / rel / abs) a button generates when pressed.
>
> But for rel / abs axis we also need to specify which value this specific
> gpio represents.
>
> One use
The devicetree binding for gpio-keys-polled already allows specifying
what type of events (key / rel / abs) a button generates when pressed.
But for rel / abs axis we also need to specify which value this specific
gpio represents.
One usecase is digital joysticks / direction-pads which are hooked
