[PATCH 1/2] gpiolib: add gpio_export_with_name

Florian Vaussard florian.vaussard at epfl.ch
Fri May 31 18:17:22 EST 2013


Hello Linus,

On 05/30/2013 11:11 PM, Linus Walleij wrote:
> On Thu, May 30, 2013 at 10:38 PM, Florian Vaussard
> <florian.vaussard at epfl.ch> wrote:
>
>> Indeed, I work in a robotics lab :-) One of our board (mach-imx/
>> mx31moboard*.c) controls for example the multiplexing of two cameras
>> sharing the same acquisition bus (I know, a bit hackish).
>> I developed a similar board with an OMAP3. Such control do not
>> fit well in the above-mentioned cases, but we do not need RT processes.
>
> It does seem to fit well with V4L and/or the media controller
> framework though, or is this one of those "oh, we don't really
> like to use V4L so we have this special hack instead" things?
>

Sorry, I was not aware of this mux capability inside V4L. Thank
you. So we can live without gpio-export for most of our hardware.

Regards,

Florian


More information about the devicetree-discuss mailing list