Re: pbbuttonsd not loading every dev event

[Kristian B. <kb...@op...>]

On Sun, 2006-03-19 at 12:08 -0500, Kristian Benoit wrote:
> On Sat, 2006-03-18 at 12:51 +0100, Matthias Grimm wrote: 
> > On Sat, 18 Mar 2006 05:34:27 -0500
> > Kristian Benoit <kb...@op...> wrote:
> > 
> > > I had this problem a few times, pbbuttonsd does not recognize the eject
> > > button. Plus the appletouch (absolute coordinate) events does not reset
> > > the sleep timeout so I must press a key.
> > > 
> > > Some devices have the same vendor/product id. For example, the keyboard
> > > (/dev/input/event3) has the same vendor/product as the eject key
> > > (/dev/input/event4).
> > > 
> > > The appletouch also have the same ids as another event device too with a
> > > lower number. So those where ignored by pbbuttonsd.
> > 
> > Oh no. :-( You can't rely on nothing nowadays. Why do we define
> > standards when nobody follows them anyway? :-/
> >  
> > > I quikfixed my version, but I still have a strange behavior:
> > 
> > Could you please tell me how you did this? We need a good workaround
> > for this quirk.
> 
> As my appletouch is represented by the device /dev/input/event6 and the
> other with the same number is lower, I tried openning the device in
> reverse order, but then the fn button did not work and the screen was
> not dimming anymore. So I hardcoded the device numbers I need:
> 
>  for (n = 0; n < EVDEVCOUNT; n++) {
>         sprintf(filename, "/dev/input/event%d", n);
>         if ((fd = open(filename, O_RDONLY)) >= 0) {
>             ioctl(fd, EVIOCGID, id);
>             venprod = (gpointer) (id[ID_VENDOR]<<16 | id[ID_PRODUCT]);
>             if ((g_list_find_custom (base->inputsources, venprod, cbEventDevices)) == NULL || n == 3 || n == 4 || n == 6)
>                 addInputSource (fd, event_handler, venprod, TRUE);
>             else
>                 close(fd);
>         } else
>             fcnt++;  /* count number of event devices that could not be opened */
>     }
> 
> 
> A real solution would be to configure the event devs we want to use in
> the config file...
> 
> I digged a a bit more and made this patch. It add a sub MODULE INPUT in
> inputmanager.c. Its purpose is to be able to configure the input file
> used by the inputmanager. So a new configuration as been added:
> 
> EventDevices = "/dev/input/event2 /dev/input/event8"
> 
> The default is the old behavior but without checking if some are the
> same vendor_id/product_id.
> 
> ----------------------
> 
> I fixed the bug with the appletouch not reporting it's event. The
> problem is with the synaptics driver doiing a EVIOCGRAB on the event
> device. This prevent the event to be propagated to /dev/input/mice which
> is what one usually wants. If you configure a generic usbmouse and a
> touch pad, you dont want the mouse to move while you scroll with the
> touchpad. As a side effect, no one else can get those events.
> 
> So the solution is to patch the synaptics driver to no more grab the
> event device and configure the usbmouse to use /dev/input/mouse?.
> 
> There is still a little problem, if your mouse is not pluged in when you
> boot, you wont be able to use it without restarting X. A solution is to
> always have the mouse? node. A better solution is to create a new
> mouse/event aggregator like /dev/input/mice and be able to tell each
> mouse/event which aggregator must receive it's events, but this is a
> longer task...
> 
> Kristian


Damn, I forgot the patches... Here it is...

Kristian