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SubjectRe: [RFC PATCH 0/3] introduce: Multistate Switch Class
On Mon, Nov 28, 2011 at 04:27:13PM +0900, Greg KH wrote:
> On Mon, Nov 28, 2011 at 12:31:14PM +1100, NeilBrown wrote:
> >
> > My own thought is that this deserves a new device class which allows easy
> > hook-up of in-kernel signalling using notifications and which can be
> > exported as input devices in much the same way the 'gpio' devices can be
> > exported via gpio_keys. The switch could also optionally be exported through
> > sysfs much like gpio can be exported through sysfs.
>
> That might also work, but again, odds are the HID spec already defines
> this type of "switch", so why recreate it as a different type of device?

HID does not map 1:1 on input. There are items in HID that are better
served by other subsystems.

--
Dmitry


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