From: Vojtech Pavlik <vojtech@ucw.cz>
To: Dmitry Torokhov <dtor_core@ameritech.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.6: Synaptics TouchPad and GPM (GPM patches)
Date: Tue, 26 Aug 2003 09:45:42 +0200 [thread overview]
Message-ID: <20030826074542.GA12430@ucw.cz> (raw)
In-Reply-To: <200308222146.56381.dtor_core@ameritech.net>
On Fri, Aug 22, 2003 at 09:46:56PM -0500, Dmitry Torokhov wrote:
> Hi,
>
> Apologies for the semi-offtopic message but ever since support for
> Synaptics' absolute mode went in many people complained that it
> broke GPM.
>
> I did some work on extending evdev support in GPM, the new protocol
> implementation supports following subtypes:
>
> 1. relative device - standard relative device like generic PS/2 mouse
> reporting via /dev/input/eventX
> 2. absolute device - touch screens and tablets.
> 3. touchpad - device reporting absolute coordinates and pressure via
> /dev/input/event, GPM recognizes normal and corner tapping.
> 4. synaptics - same as touchpad but also supports multi-finger taps
> (expects MSC_GESTURE messages from the kernel).
>
> Kernel has to support EV_SYNC for touchpad and synaptics support,
> relative and absolute modes can be used with 2.4 kernels by specifying
> nosync option.
You should not need any options for this - it's all queryable via ioctls ...
> You will find the patches at:
> http://www.geocities.com/dt_or/gpm/patches/
>
> RPMs (binary and source) built on RH8 are at:
> http://www.geocities.com/dt_or/gpm/RPMS/
>
> The README is at:
> http://www.geocities.com/dt_or/gpm/gpm.html
>
> The patches work pretty well for me and I hope they will work for others too.
> Because of limited hardware I could not test evdev with touchscreen or a
> tablet.
>
> Dmitry.
> -
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--
Vojtech Pavlik
SuSE Labs, SuSE CR
next prev parent reply other threads:[~2003-08-26 7:45 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-23 2:46 2.6: Synaptics TouchPad and GPM (GPM patches) Dmitry Torokhov
2003-08-23 5:46 ` Joshua Kwan
2003-08-26 7:45 ` Vojtech Pavlik [this message]
2003-08-27 7:10 ` Dmitry Torokhov
2003-08-27 12:30 ` Vojtech Pavlik
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