Re: keyborad drivers under linux-ruby

[Vojtech P. <vo...@su...>]

On Tue, Sep 17, 2002 at 02:06:45PM +0300, Aivils Stoss wrote:
> Hi, Vojtech
> 
> How to is safer register new keyboard without necessary VT.
> Into kdb_connect() keyboard.c we have James comment:
>      /* If we have more keyboards than VTs we still register the handler.
>       * It is possible someone might add a graphics card thus needing the
>          * keyboard later */
> With this we have:
> handle->private == 0 ,if can't find VT.
> Can I solve this with single line in kbd_event()
> if(!handle->private) return;
> So this keyboard still registered, but no process any event.
> Or kbd_connect() return NULL pointer? Is it allowable?

If you return NULL, that means you're not interested in that device for
now and ever.

> Allow Your i386 arch oriented drivers hot remove/replug?

Yes. 

> Perform removing automatic unregistering?

Not always - PS/2 mice and AT keyboards are not unregistered until a new
device is plugged in.

> What should happen if keyboard replugged under linux-ruby?

You get a disconnect for the old one and a connect for the new one. It
might be the same keyboard, of course.

> How many USB keyboards should work independ?

Any number.

> Should work USBBP simultaneous with USB-HID keyboard?

BootProtocol shouldn't be used at all.

-- 
Vojtech Pavlik
SuSE Labs