Re: [rfc/rft] Fujitsu B-Series Lifebook PS/2 TouchScreen driver

From: Vojtech Pavlik (
Date: 02/13/05

  • Next message: Vojtech Pavlik: "Re: [rfc/rft] Fujitsu B-Series Lifebook PS/2 TouchScreen driver"
    Date:	Sun, 13 Feb 2005 12:46:58 +0100
    To: Kenan Esau <>

    On Sun, Feb 13, 2005 at 10:39:46AM +0100, Kenan Esau wrote:
    > Am Samstag, den 12.02.2005, 12:46 -0500 schrieb Arjan van de Ven:
    > > On Sat, 2005-02-12 at 18:01 +0100, Kenan Esau wrote:
    > >
    > > > Second thing is that I am not shure that it is a good idea to integrate
    > > > the lbtouch-support into the psmouse-driver since there is no real way
    > > > of deciding if the device you are talking to is REALLY a
    > > > lifebook-touchsreen or not.
    > > ...
    > > > IMHO the driver should be standalone and the user should decide which
    > > > driver he wants to use. As default the touchscreen-functionality will be
    > > > disabled and only the quick-point device will work like a normal
    > > > PS2-mouse.
    > >
    > > I just want to point out that this is a problem for distributions and
    > > for not-so-technical users.
    > >
    > > Is there *really* no way to know if you're on a lifebook? Can't you use
    > > say the DMI identification mechanism to find this out ? If so, I think
    > > integrating into the regular driver very much is the right thing to
    > > do... it makes things JustWork(tm) for users without any need for manual
    > > configuration (which also makes distribution makers happy).
    > Yes that would be nice. But the lifebook-touchscreen hardware is also
    > used in other notebooks. For example the Panasonic Toughbook CF28. But
    > we could still use DMI to check whether we are on a lifebook b-series
    > and then initialize the hardware. This would still get 95% of all cases.
    > For all the other ones we would have to provide some kind of
    > force-switch.
    Or simply another entry in the DMI table for the Toughbook, and for the
    few others who use this kind of touchscreen controller.

    Vojtech Pavlik
    SuSE Labs, SuSE CR
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to
    More majordomo info at
    Please read the FAQ at

  • Next message: Vojtech Pavlik: "Re: [rfc/rft] Fujitsu B-Series Lifebook PS/2 TouchScreen driver"