Re: [libgpiod v2.0][PATCH] core: extend config objects

[Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>]

On Thu, Aug 12, 2021 at 02:51:02PM +0200, Bartosz Golaszewski wrote:
> On Thu, Aug 12, 2021 at 12:29 PM Kent Gibson <warthog618@xxxxxxxxx> wrote:

> As you said - it's on the heap, so who cares. But this is also an
> internal structure and so we can use bit fields. That should reduce
> the memory footprint significantly as we now don't require more than 3
> bits for any given enum. That would leave us with the debounce period
> and offset as full size variables.

Side note (I believe you know about): bit fields are the beasts when you have
to have a locked access.

-- 
With Best Regards,
Andy Shevchenko