Messages in this thread | | | From | Linus Walleij <> | Date | Tue, 25 Sep 2018 09:36:14 +0200 | Subject | Re: [PATCH] gpiolib: Fix gpio_direction_* for single direction GPIOs |
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Hi Ricardo,
thanks for the patch and sorry for taking time before responding.
On Fri, Sep 21, 2018 at 12:36 PM Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> wrote: > GPIOs with no programmable direction are not required to implement > direction_output nor direction_input. > > If we try to set an output direction on an output-only GPIO or input > direction on an input-only GPIO simply return 0. > > This allows this single direction GPIO to be used by libgpiod. > > Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
It makes perfect sense, patch applied.
I'll go in and add some comments to the code so I understand it right as well in the future.
Yours, Linus Walleij
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