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List:       freedesktop-xorg-devel
Subject:    Re: [PATCH synaptics] Circular exclusion areas
From:       Peter Hutterer <peter.hutterer () who-t ! net>
Date:       2013-10-31 6:41:50
Message-ID: 20131031064150.GB8900 () yabbi ! redhat ! com
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On Tue, Oct 29, 2013 at 05:11:10PM -0700, Daniel Colascione wrote:
> On 10/29/2013 05:09 PM, Peter Hutterer wrote:
> >On Mon, Oct 28, 2013 at 12:54:58AM -0700, Daniel Colascione wrote:
> >>The attached patch adds support for defining circular dead areas
> >>around corners.  At least in my use case, it doesn't make sense to
> >>make large areas of the trackpad dead when only the corners are
> >>problematic.
> >
> >I need more info here. what exactly is  the "problematic" bit about the
> >corners?
> 
> On my machine (a Lenovo X1 Carbon), my palms frequently touch the
> corners of the clickpad while I'm typing; palm detection is broken
> because the kernel keeps reporting a finger width of zero. (See
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1245328.) Even
> if palm detection were working, though, I don't think it'd help:
> z-values seem to be about the same when I'm using the trackpad and
> mashing it while typing.

wouldn't this be better served by the classic disable-touchpad-while-typing
then?

Cheers,
   Peter
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