From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: "Erik Andrén" <erik.andren@gmail.com>
Cc: linux-input@vger.kernel.org
Subject: Re: Synaptics Multi touch capabilities
Date: Thu, 24 Dec 2009 22:56:42 -0800 [thread overview]
Message-ID: <20091225065642.GA19401@core.coreip.homeip.net> (raw)
In-Reply-To: <62e5edd40912240254w19b0b6c6ye43e2805055bb0e5@mail.gmail.com>
On Thu, Dec 24, 2009 at 11:54:27AM +0100, Erik Andrén wrote:
> 2009/12/23 Dmitry Torokhov <dmitry.torokhov@gmail.com>:
> > On Wednesday 23 December 2009 03:13:04 am Erik Andrén wrote:
> >> Hi,
> >> I have a ASUS 1005HA netbook equipped with a Synaptics touch pad:
> >> [ 18.341491] Synaptics Touchpad, model: 1, fw: 7.2, id: 0x1a0b1,
> >> caps: 0xd04731/0xa40000
> >>
> >> In Linux, no multitouch capabilities are detected (Zoom, two and three
> >> finger button presses etc.).
> >> This all works with the same hardware in windows 7.
> >> Is there a bug in the linux driver preventing multitouch to work?
> >>
> >
> > Linux Synaptics driver does not have full multitouch support (yet?). The 2-
> > and 3- finger taps should work (provided that they are enabled in SYnaptics X
> > driver) but there is no multiple finger tracking...
> They don't. I've tried with the 1.1.2 and 1.2.0 version of the xorg
> synaptics driver. But if this is the issue I guess I should take this
> inquiry to the proper xorg mailing list.
Not yet, kernel needs to add support for this as well.
>
> >
> > BTW, the capability 0xd04731 indicates that your hardware does not report
> > multi-finger taps.
> >
> I'm aware of that, but why does pinch and zoom then work in windows 7?
> Is it possible to emulate this with a single touch touchpad?
>
I think your touchpad is a fully multi-finger one, not just multi-finger
tapping like older touchpads. Only multi-finger tapping is currently
supported by Synaptcs X driver.
--
Dmitry
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next prev parent reply other threads:[~2009-12-25 6:56 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-23 11:13 Synaptics Multi touch capabilities Erik Andrén
2009-12-23 18:32 ` Dmitry Torokhov
2009-12-24 10:54 ` Erik Andrén
2009-12-25 6:56 ` Dmitry Torokhov [this message]
2009-12-25 11:54 ` Erik Andrén
2009-12-27 10:13 ` Dmitry Torokhov
2009-12-27 16:43 ` Erik Andrén
2009-12-27 23:13 ` Dmitry Torokhov
2010-01-06 10:24 ` Erik Andrén
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