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From: Vojtech Pavlik <vojtech@suse.cz>
To: Peter Osterlund <petero2@telia.com>
Cc: Vojtech Pavlik <vojtech@suse.cz>,
	Linus Torvalds <torvalds@osdl.org>,
	linux-kernel@vger.kernel.org,
	Dmitry Torokhov <dtor_core@ameritech.net>
Subject: Re: Broken synaptics mouse..
Date: Sun, 21 Sep 2003 21:34:00 +0200	[thread overview]
Message-ID: <20030921193400.GA22743@ucw.cz> (raw)
In-Reply-To: <m2u176rldl.fsf@p4.localdomain>

On Sun, Sep 21, 2003 at 09:29:10PM +0200, Peter Osterlund wrote:

> OK, below is a new patch that splits the W value as has been suggested
> before. The synaptics driver now reports BTN_TOOL_FINGER,
> BTN_TOOL_DOUBLETAP and BTN_TOOL_TRIPLETAP for one, two and three
> fingers respectively, and it reports ABS_TOOL_WIDTH for the finger
> width value. These event types are also used by mousedev.c to decide
> if it is dealing with a touchpad.
>
> It should also gets the direction of the Y axis right.

At first glance, patch looks OK.

> One thing that it doesn't get right is the handling of invalid ABS_*
> values. How is this supposed to be handled? The driver doesn't know
> the exact limits for the X/Y values, and discarding values outside
> some guessed limits will only have the effect that some parts of the
> touchpad area becomes dead.

I think something like 'if the finger is lifted so much above surface
that X and Y are unreliable, don't report X and Y'. Is that doable?

-- 
Vojtech Pavlik
SuSE Labs, SuSE CR

  reply	other threads:[~2003-09-21 19:34 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <Pine.LNX.4.44.0309110744030.28410-100000@home.osdl.org>
2003-09-18 23:43 ` Broken synaptics mouse Peter Osterlund
2003-09-19  5:05   ` Dmitry Torokhov
2003-09-19 11:48   ` Vojtech Pavlik
2003-09-21 17:20     ` Peter Osterlund
2003-09-21 17:27       ` Vojtech Pavlik
2003-09-21 19:29         ` Peter Osterlund
2003-09-21 19:34           ` Vojtech Pavlik [this message]
2003-09-21 20:26             ` Peter Osterlund
2003-09-21 20:42               ` Vojtech Pavlik
2003-09-21 23:16         ` Dmitry Torokhov
2003-09-22  5:31           ` Vojtech Pavlik
2003-09-22  5:58             ` Dmitry Torokhov
2003-09-22  6:09               ` Vojtech Pavlik
2003-10-01 10:03   ` Pavel Machek
2003-10-01 15:38     ` Peter Osterlund
     [not found] <xgHm.3mL.27@gated-at.bofh.it>
     [not found] ` <xlGW.2qw.15@gated-at.bofh.it>
2003-09-19 15:39   ` Ruben Puettmann
2003-09-21 21:17 Ricardo Galli
2003-09-21 21:41 ` Peter Osterlund
2003-09-21 22:15 Ricardo Galli

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