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

[Kent Gibson <warthog618@xxxxxxxxx>]

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:
> >
> 

<snip>

> >
> > Sure, it's a trade-off, but the alternative is requiring a 2-3k block
> > even for a one line request, which seems a wee bit excessive.
> >
> 
> 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.
> 

Rather than introducing a new collection of enums and bitfields, why not
just store the v2 flags for the line?

Cheers,
Kent.