[RFC XI 2.1 - xf86-input-evdev 2/3] Add experimental XI 2.1 multitouch support

Chase Douglas chase.douglas at canonical.com
Mon Dec 6 09:41:48 PST 2010

On 12/05/2010 10:41 PM, Peter Hutterer wrote:
> if the kernel can send it through one device, we can handle it, right?
> if both are sent through the same axes (and need a serial or something to
> differentiate like the wacom drivers) then yes, they need to be split up
> into multiple devices.

I think we're in agreement about what we can handle. We should be able
to handle whatever the kernel sends us. But I feel that it's impossible
to have a kernel device that sends touch information through the same
properties for different surfaces. Thus, we don't need per-axis touch modes.

To push towards a resolution to this issue, Peter, Ping, do you still
feel we will need per-axis touch modes? If you do, then I could use more
detail on how such a device would be defined through the evdev or touch
class interface. Maybe I'm missing something obvious?


-- Chase

More information about the xorg-devel mailing list