Re: [PATCH v2 5/5] gpio / ACPI: Add support for ACPI GPIO operation regions

[Cox, Alan]

> > +                       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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