On Di, 2015-03-24 at 15:14 +0100, Michael S. Tsirkin wrote:
> On Tue, Mar 24, 2015 at 02:37:24PM +0100, Gerd Hoffmann wrote:
> > Hi,
> >
> > > > input layer checks it and ignores events not supported (according to the
> > > > support bitmaps).
> > >
> > > Right but support bitmaps come from host too, no?
> >
> > Yes, but the driver will not set invalid bits (bitcount argument for the
> > virtinput_cfg_bits() function is the number of valid bits of the
> > specific bitmap).
> >
> > cheers,
> > Gerd
> >
> >
> >
>
> Question: does linux ever get such events from userspace
> as opposed to sending them to userspace?
Yes, it's possible using the userspace input driver
(CONFIG_INPUT_UINPUT)
cheers,
Gerd
