[PATCH synaptics] Circular exclusion areas

Peter Hutterer peter.hutterer at who-t.net
Thu Oct 31 07:41:50 CET 2013

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


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