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Input: MT - Specify that ABS_MT_SLOT must have a minimum of 0
[sfrench/cifs-2.6.git]
/
Documentation
/
input
/
multi-touch-protocol.txt
diff --git
a/Documentation/input/multi-touch-protocol.txt
b/Documentation/input/multi-touch-protocol.txt
index 2c179613f81b05c5faa952c0b92e3e79cdddd535..de139b18184a16a6a1fdf58d6f3ea50422efa2c7 100644
(file)
--- a/
Documentation/input/multi-touch-protocol.txt
+++ b/
Documentation/input/multi-touch-protocol.txt
@@
-80,6
+80,8
@@
Userspace can detect that a driver can report more total contacts than slots
by noting that the largest supported BTN_TOOL_*TAP event is larger than the
total number of type B slots reported in the absinfo for the ABS_MT_SLOT axis.
+The minimum value of the ABS_MT_SLOT axis must be 0.
+
Protocol Example A
------------------