On Tue, 10 Feb 2009 21:25:58 +0100 Pavel Machek <pavel@xxxxxxx> wrote: > On Wed 2009-02-04 19:15:40, Arjan van de Ven wrote: > > Hi, > > > > A MSI Wind (100) netbook landed on my desk with the comment > > "touchpad doesn't work in Linux but works in XP". > > > > It turns out that there are a 2 separate issues with this netbook > > that needed fixing > > > > 1) The touchpad requires the equivalent of "i8042.reset", which > > resets the controller before probing. (This is done via a DMI quirk > > in patch 2/2) > > > > 2) About half the time, the reset will fail the first time. In the > > current code, this is fatal and then also disables the keyboard in > > addition to the touchpad. Ungood. Patch 1 makes the kernel retry the > > reset upto five times before giving up (it seems the 2nd or 3rd time > > succeed for me), and also adds an option to not make such a failure > > fatal to the keyboard. > > > > I don't think this is a regression, but it is pretty nasty behavior > > (the machine is useless without) so it could be a 2.6.29 > > candidate... > > Well, that beast was selling with linux preloaded, no? Or was it > another msi wind? In such case I'd expect old kernel to work... or > maybe some reasonable workaround somewhere... afaik the newer ones have a different touchpad > -- Arjan van de Ven Intel Open Source Technology Centre For development, discussion and tips for power savings, visit http://www.lesswatts.org -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
