Messages in this thread |  | | | From | David Brownell <> | | Subject | Re: [PATCH 1/3] gpiolib: add gpio_set_direction() | | Date | Sat, 27 Feb 2010 08:24:14 -0800 |
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On Saturday 27 February 2010, Mark Brown wrote: > > "none" ... since it's not even a GPIO, why would it show > > up through the GPIO subsystem??? > > I suspect this is intended to be tristated, which might be useful to add.
That's what "input" means, as a rule: no output driver is active with a GPIO configured as "iput". "Tristate" is an option that's relevant for outputs ... low, high, or not-driven.
- Dave
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