Messages in this thread | | | Date | Mon, 28 Nov 2011 01:04:46 -0800 | From | Dmitry Torokhov <> | Subject | Re: [RFC PATCH 0/3] introduce: Multistate Switch Class |
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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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