On Thu, Apr 23, 2015 at 07:10:55PM +0200, Henrik Rydberg wrote: > > "Creation, replacement and destruction of contacts is achieved by > > modifying the ABS_MT_TRACKING_ID of the associated slot. A > > non-negative tracking id is interpreted as a contact, and the value -1 > > denotes an unused slot. A tracking id not previously present is > > considered new, and a tracking id no longer present is considered > > removed." > > > > If some userspace is confused with missing -1 tracking ID for that > > slot, that userspace should be fixed. > > I agree. Some userland applications work with add/remove out of convenience, and > cannot handle the more compressed notation the kernel slot handling allows. > Fixing those applications will be a good thing. > > Unfortunately the patch already appeared in Linus' tree... It's in 4.1-rc0 so we can just revert it. -- 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