Re: HID vs. Input Core

From: Karel Kulhavý
Date: Tue Jun 15 2004 - 12:24:58 EST


> >
> > CONFIG_INPUT Help says
> > "Say Y here if you want to enable any of the following options for USB
> > Human Interface Device (HID) support".
> >
> > Helge Hafting from linux-kernel says that CONFIG_INPUT controls enabling
> > input devices at
> > all. These two statements are in a direct contradiction. (See above).
> >
>
> Well, kind of... Helge Hafting is 100% correct in 2.6 sense where all
> input devices have been switched to use input core. In 2.4 only USB input
> devices use input core while other devices (like PS/2 mouse) use legacy
> interfaces like /dev/psaux.
>
> So for 2.4 you need to enable HID to turn on hardware driver for HID
> devices and you want to enable input core to allow data from your USB
> device to be awailabe to userspace.

So that enabling HID without input core in 2.4 doesn't make sense
and enabling input core without HID in 2.4 doesn't make sense too?

Cl<
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