On Fri, Nov 7, 2008 at 9:26 AM, Henrik Rydberg <rydberg@xxxxxxxxxxx> wrote: > J.R. Mauro wrote: >> On Fri, Nov 7, 2008 at 6:15 AM, Henrik Rydberg <rydberg@xxxxxxxxxxx> wrote: >>> In order to utilize the full power of the new multi-touch devices, a >>> way to report detailed finger data to user space is needed. This patch >>> adds a multi-touch (MT) protocol which allows drivers to report details >>> for an arbitrary number of fingers. >> >> This is a great idea, Henrik. How will things like X11 go about >> leveraging this functionality? > > What I have in mind is this: > > 1. Add support for the MT interface in the trackpad drivers, to the extent > they support the information. First out is bcm5974, for which the interface > is designed. A patch is prepared, but I will keep it on hold for a little > while longer. > > 2. Add support for the MT protocol in Xorg synaptics and/or a new Xorg > multitouch driver. As you might have guessed, I have an experimental > driver, utilizing the MT protocol. It uses proper matching techniques > to obtain smooth multi-finger actions. My plan is to launch this in user > space as soon as there is kernel support. > > Henrik > Have you worked with MPX? Or was a vanilla-X11 driver simple enough? How does this all get presented to userspace applications? Multiple mouse inputs or special stuff that applications would need a rewrite to leverage? -- 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
