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SubjectRe: [spi-devel-general] [Patch 0/4] IndustrialIO subsystem (ADCs, accelerometers etc)
On Wed, Jul 23, 2008 at 08:19:18PM +0100, Ben Dooks wrote:
> On Wed, Jul 23, 2008 at 06:00:29PM +0100, Jonathan Cameron wrote:
> > Dear All,
> >
> > The need for an industrialio subsystem was discussed in
> > http://lkml.org/lkml/2008/5/20/135
>
> The name is really bad, this sounds like something for doing large
> scale industrial process control.

Well, it says "Industrial I/O". To me, this means it handles I/O devices
typically found in industrial applications.

>
> > Firstly thanks to all the people who have contributed to the discussion
> > of this in the past.
> >
> > In brief the intention is provide a kernel subsystem directed towards the
> > handling on sensors (and later related output devices) such as ADC's,
> > accelerometers and many others.
>
> We've already got an perfectly good hwmon framework, do we really need
> to do this again?

hwmon is designed for slow I/O. It won't handle an ADC that does a few
megasamples/sec.

Thanks,
Hans



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