BTN_TOOL_<name> signals the type of tool that is currently detected by the
hardware and is otherwise independent of ABS_DISTANCE and/or BTN_TOUCH.
+* ABS_PROFILE:
+
+ - Used to describe the state of a multi-value profile switch. An event is
+ emitted only when the selected profile changes, indicating the newly
+ selected profile value.
+
* ABS_MT_<name>:
- Used to describe multitouch input events. Please see