On Wednesday 23 November 2011 10:08:58 Robert Deliën wrote: > +extern int gpio_invalid(int gp);
if you really want to add this function, the Linux GPIO API uses:
bool gpio_is_valid(int number);
but that doesn't negate the gpio_request() func from having to validate the
pin given to it, so i don't see much point in providing this at this time ...
no code should do something like:
if (!gpio_is_valid())
return error;
if (gpio_request())
return error;
-mike
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