> > + gpiod_set_raw_value(desc, !!((1 << i) & *value));
>
> What is this? How can the expression !!((1 << i) possibly evaluate to
> anything else than "true"? I don't get it. Just (desc, *value) seem more
> apropriate.
The expression is !!((1 << i) & *value)
so its the standard C sematic for 'logical and' ? 1 : 0
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