Re: [PATCH 2/3] gpio: 104-idio-16: Utilize the idio-16 GPIO library

From: Andy Shevchenko
Date: Tue Sep 13 2022 - 13:30:50 EST


On Sun, Sep 11, 2022 at 04:34:39PM -0400, William Breathitt Gray wrote:
> The ACCES 104-IDIO-16 device is part of the ACCES IDIO-16 family, so the
> idio-16 GPIO library module is selected and utilized to consolidate
> code.

> + /* Reading output signals is not supported */
> + if (offset < IDIO_16_NOUT)
> return -EINVAL;

I see it's in the original code, but isn't it possible to cache and return
cached value in such cases?

--
With Best Regards,
Andy Shevchenko