|author||Jiri Kosina <email@example.com>||2010-04-23 02:08:44 +0200|
|committer||Jiri Kosina <firstname.lastname@example.org>||2010-04-23 02:08:44 +0200|
Merge branch 'master' into for-next
Diffstat (limited to 'Documentation/input')
1 files changed, 17 insertions, 6 deletions
diff --git a/Documentation/input/multi-touch-protocol.txt b/Documentation/input/multi-touch-protocol.txt
index 8490480ce432..c0fc1c75fd88 100644
@@ -68,6 +68,22 @@ like:
+Here is the sequence after lifting one of the fingers:
+And here is the sequence after lifting the remaining finger:
+If the driver reports one of BTN_TOUCH or ABS_PRESSURE in addition to the
+ABS_MT events, the last SYN_MT_REPORT event may be omitted. Otherwise, the
+last SYN_REPORT will be dropped by the input core, resulting in no
+zero-finger event reaching userland.
@@ -217,11 +233,6 @@ where examples can be found.
difference between the contact position and the approaching tool position
could be used to derive tilt.
 The list can of course be extended.
- The multi-touch X driver is currently in the prototyping stage. At the
-time of writing (April 2009), the MT protocol is not yet merged, and the
-prototype implements finger matching, basic mouse support and two-finger
-scrolling. The project aims at improving the quality of current multi-touch
-functionality available in the Synaptics X driver, and in addition
-implement more advanced gestures.
+ Multitouch X driver project: http://bitmath.org/code/multitouch/.
 See the section on event computation.
 See the section on finger tracking.