linux-kernel - Re: Phis in /proc/bus/input/devices same for all devices?

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Message-Id: <200702220000.21965.cijoml@volny.cz>
Date:	Thu, 22 Feb 2007 00:00:21 +0100
From:	CIJOML <cijoml@...ny.cz>
To:	Marcel Holtmann <marcel@...tmann.org>
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: Phis in /proc/bus/input/devices same for all devices?

Marcel how can you differ what is src and what is dst, when device can connect 
first time from hub to keyboard and later keyboard to hub?

Michal

Dne středa 21 únor 2007 23:53 Marcel Holtmann napsal(a):
> Hi Dmitry,
>
> > > > > can anybody reply to this and share his/her opinion?
> > > >
> > > > Input core already exports uniq to udev and also via sysfs.
> > >
> > > so do you think it would be better to create phys as a string of the
> > > source and destination address like "<src>-<dst>" for Bluetooth. And
> > > then keep the uniq empty like all USB devices without serial number do?
> >
> > I'd keep uniq as is and do what you proposed with phys. This way you
> > can either use uniq to identify your device while moving it from one
> > receiver to another (if you have several) or do exact match on phys to
> > get receiver/device pair.
> >
> > Does this make sense?
>
> actually it doesn't help to keep uniq around since the Bluetooth HID
> always reconnects to the same source/host address. Making it reconnect
> results in a virtual cable unplug. So I think that I am going to modify
> the phys to include source and destination address. In the end it is
> only a string.
>
> Regards
>
> Marcel
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