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SubjectRe: ALPS touchpad no longer recognizing 'taps' as mouseclick in 3.3-rc3
On Sun, Feb 12, 2012 at 06:22:21PM -0800, Greg KH wrote:
> On Sun, Feb 12, 2012 at 12:12:36PM -0800, Dmitry Torokhov wrote:
> > Hi Greg,
> >
> > On Sun, Feb 12, 2012 at 08:47:28AM -0800, Greg KH wrote:
> > > Hi,
> > >
> > > This problem has been since 3.3-rc1, but I only now am getting around to
> > > reporting it, sorry about that.
> > >
> > > In 3.3-rc3, my alps touchpad isn't recognizing a tap on the touchpad as
> > > a mouse click. Is there a new Kconfig option that I need to enable?
> > >
> > > My /proc/bus/input/devices entry for this thing is:
> > > I: Bus=0011 Vendor=0002 Product=0008 Version=7326
> > > N: Name="AlpsPS/2 ALPS DualPoint TouchPad"
> > > P: Phys=isa0060/serio1/input0
> > > S: Sysfs=/devices/platform/i8042/serio1/input/input6
> > > U: Uniq=
> > > H: Handlers=mouse1 event6
> > > B: PROP=8
> > > B: EV=b
> > > B: KEY=e420 70000 0 0 0 0
> > > B: ABS=260800001000003
> > >
> > > Is there anything else you need me to report to help track this down?
> > >
> >
> > Please make sure you have xorg-x11-drv-synaptics installed and then
> > check if tap to click is enabled in your DE. I think Gnome for some
> > reason has it off my default.
>
> Is this a new thing for the 3.3 kernel? I ask as 3.2 and older kernels
> work just fine this way. I can do a 'git bisect' to track it down to a
> specific patch if that will help out.

No, there is no need. I am pretty sure pre-3.3 your touchpad worked in
PS/2 compatibility mode; in 3.3 we merged support for native multitouch
protocol so your touchpad works in absolute mode, can support various
gestures (vertical/hrizontal scroll, user-selected sensitivity, etc.)
and is recognozed as a proper touchpad by the entire stack. For some
reason though Gnome has disabled tap to click for touchpads by default.
I do not remember what is the default for KDE.

Hope this helps.

--
Dmitry


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