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    SubjectRe: ALPS touchpad no longer recognizing 'taps' as mouseclick in 3.3-rc3
    On Sun, Feb 12, 2012 at 09:12:43PM -0800, Dmitry Torokhov wrote:
    > 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.

    Yes, that solved it, thanks. The Gnome setting is in the Mouse/Trackpad
    option in gnome-control-center.

    I have a feeling you are going to get a lot of emails about this issue
    when 3.3 is released, good luck :)

    greg k-h


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