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    SubjectRe: Do not use synaptics extensions by default
    Hi!

    > > ..aka "make synaptics touchpad usable in 2.6.1" -- synaptics support
    > > is not really suitable to be enabled by default. You can not click by
    > > tapping the touchpad (well, unless you have very new X with right
    > > configuration, but than you can't go back to 2.4), and touchpad senses
    > > your finger even when it is not touching, doing spurious movements =>
    > > you can't hit anything on screen. Without synaptics extensions
    > > everything works just fine. You can reenable synaptics support using
    > > commandline.
    > >
    > > Plus it documents psmouse_noext option.
    > >
    > > Please apply,
    >
    > No way. This also kills Logitech mouse detection and Genius and ...
    > ... and those cannot be enabled via kernel command line parameters.

    I'm setting it to PSMOUSE_IMEX, that's just below PSMOUSE_SYNAPTICS:

    #define PSMOUSE_PS2 1
    #define PSMOUSE_PS2PP 2
    #define PSMOUSE_PS2TPP 3
    #define PSMOUSE_GENPS 4
    #define PSMOUSE_IMPS 5
    #define PSMOUSE_IMEX 6
    #define PSMOUSE_SYNAPTICS 7

    That should turn off just synaptics, no?

    Okay, so how to do this properly? Synaptics driver with "mouse
    emulation" is not usable (tap-to-click is critical), and I want to be
    able to boot 2.4...

    Pavel

    > > --- tmp/linux/drivers/input/mouse/psmouse-base.c 2004-01-09 20:24:19.000000000 +0100
    > > +++ linux/drivers/input/mouse/psmouse-base.c 2004-01-10 16:16:06.000000000 +0100
    > > @@ -31,7 +31,7 @@
    > > MODULE_PARM_DESC(psmouse_noext, "[DEPRECATED] Disable any protocol extensions. Useful for KVM switches.");
    > >
    > > static char *psmouse_proto;
    > > -static unsigned int psmouse_max_proto = -1U;
    > > +static unsigned int psmouse_max_proto = PSMOUSE_IMEX;
    > > module_param(psmouse_proto, charp, 0);
    > > MODULE_PARM_DESC(psmouse_proto, "Highest protocol extension to probe (bare, imps, exps). Useful for KVM switches.");
    > >
    > > @@ -678,6 +678,8 @@
    > > psmouse_max_proto = PSMOUSE_IMPS;
    > > else if (!strcmp(psmouse_proto, "exps"))
    > > psmouse_max_proto = PSMOUSE_IMEX;
    > > + else if (!strcmp(psmouse_proto, "synaptics"))
    > > + psmouse_max_proto = PSMOUSE_SYNAPTICS;
    > > else
    > > printk(KERN_ERR "psmouse: unknown protocol type '%s'\n", psmouse_proto);
    > > }
    > >
    > > --
    > > When do you have a heart between your knees?
    > > [Johanka's followup: and *two* hearts?]
    >

    --
    When do you have a heart between your knees?
    [Johanka's followup: and *two* hearts?]
    -
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