GPIO-Direction issue

[Kumar Thangavel]

Sure. Thanks for your suggestions.


Thanks,
Kumar.
________________________________
From: James Feist <james.feist at linux.intel.com>
Sent: 12 December 2019 22:37
To: Kumar Thangavel <thangavel.k at hcl.com>; openbmc at lists.ozlabs.org <openbmc at lists.ozlabs.org>
Subject: Re: GPIO-Direction issue

On 12/11/19 4:50 AM, Kumar Thangavel wrote:
> Hi All,
>
>          I am using entity manager configuration file(.json) to enable
> the GPIO pin.
>
>          The gpio node was created in /sys/class/gpio/* using
> configuration files.
>
>          I set Direction as "Out" in json. But it was not getting
> changed in /sys/class/gpio/gpio*/Direction. The Direction was still
> remains as "in".

Gpio usage via sysfs is deprecated. We're currently working to remove
all usages of it ourselves that we have in entity-manager. I would
suggest using libgpiod to use gpio via character device instead.

https://apc01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgit.kernel.org%2Fpub%2Fscm%2Flibs%2Flibgpiod%2Flibgpiod.git%2Ftree%2Fbindings%2Fcxx&data=02%7C01%7Cthangavel.k%40hcl.com%7Cbf18dac88ecc4a35bc2508d77f25bb67%7C189de737c93a4f5a8b686f4ca9941912%7C0%7C0%7C637117672349243185&sdata=Jeruefedzy4Bnb%2FIVjn4j1zT4YUhh9KwEH1tB6oNKxQ%3D&reserved=0

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