From: Dmitry Torokhov <dtor_core@ameritech.net>
To: Vojtech Pavlik <vojtech@suse.cz>
Subject: Re: [BUG: 2.6.9-rc2-bk11] input completely dead in X
Date: Tue, 28 Sep 2004 02:19:16 -0500
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Cc: linux-kernel@vger.kernel.org, Micha Feigin <michf@post.tau.ac.il>,
       Peter Osterlund <petero2@telia.com>
References: <20040926210450.GA2960@luna.mooo.com> <200409280126.19919.dtor_core@ameritech.net> <20040928070107.GC1834@ucw.cz>
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On Tuesday 28 September 2004 02:01 am, Vojtech Pavlik wrote:
> On Tue, Sep 28, 2004 at 01:26:19AM -0500, Dmitry Torokhov wrote:
> > Resending as I forgot to CC Vojtech and Peter first time around...
> > 
> > On Monday 27 September 2004 10:46 pm, Micha Feigin wrote:
> > > > Or better yet, use the auto-dev feature, which should work if you have
> > > > a new enough X driver and kernel patch.
> > > > 
> > > 
> > > auto-dev doesn't work for me and I don't have time to check it
> > > out.
> > 
> > Addition of Kensington ThinkingMouse / ExpertMouse support caused Synaptics
> > and ALPS protocol numbers to move to 8 and 9 respectively which broke Peter's
> > auto-dev detection. 
> 
> Ouch. I suspected something bad will happen.
> 
> > Vojtech, we need to keep protcol numbers stable, I propose something like this:
> > 
> > enum psmouse_type {
> > ? ? ? ? PSMOUSE_PS2?????????????= 0,
> > ? ? ? ? PSMOUSE_PS2PP,
> > ? ? ? ? PSMOUSE_THINKPS,
> > ? ? ? ? PSMOUSE_GENPS???????????= 64,???/* 4 byte protocol start */
> > ? ? ? ? PSMOUSE_IMPS,
> > ? ? ? ? PSMOUSE_IMEX,
> > ? ? ? ? PSMOUSE_SYNAPTICS???????= 128,??/* 5+ byte protocols start */
> > ? ? ? ? PSMOUSE_ALPS,
> > };
> 
> No, we really need to keep backwards compatibility with the numbering
> here and solve the packetsize issue elsewhere. Probably the best would
> be for each of the protocols to have its own packet collection routine,
> like the Synaptics and ALPS already have. It could be shared among the
> simpler protocols.
> 
> We'll need this anyway for a heuristic resynchronizer.
>

Ok, for now I am killing PS2TPP which is not really useful and will allow
THINKPS take it's spot moving SYNAPTICS and ALPS to their former numbers. 

-- 
Dmitry
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