On Sun, Dec 19, 2010 at 12:32:14AM -0800, Andres Salomon wrote: > On Sun, 19 Dec 2010 00:20:27 -0800 > Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> wrote: > > > On Sat, Dec 18, 2010 at 10:00:51AM +0000, Daniel Drake wrote: > > > On 18 December 2010 07:02, Dmitry Torokhov > > > <dmitry.torokhov@xxxxxxxxx> wrote: > > > > What about just adding psmouse.proto=exps then? > > > > > > It's not quite that simple either, because we want the same distro > > > image to work on all versions of XO. XO's can come with either hgpk, > > > synaptics, or sentelic touchpads. In the sentelic and hgpk cases, > > > we'd want the "real" drivers to kick in. > > > > > > > Hmm, I am confused. HGPK depends on OLPC so your distribution must > > have it defined. Are there general purpose distributions that enable > > OLPC? > > > Yes, Debian enables CONFIG_OLPC in its 486 kernel (and one of these > days, I'll open up a bug for them to enable it in their 686 kernel). > > There are 3 types of touchpads in OLPC XO machines (hgpk, synaptics, > and sentelics). If the hardware is either hgpk or sentelics, we want > those extensions to load. If the hardware is synaptics, we want the > extension not to load. Doing this via kernel > arg doesn't work, as a generic distributions (and even those built > specifically for OLPC XOs) will not know which touchpad hardware will > be in use. > It still should be theoretically possible to do it in userspace (playing with protocol settings via sysfs) but I think in kernel is less painful. I'll apply the patch. Thanks for the explanations. -- Dmitry -- 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
