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Input: clarify we want BTN_TOOL_<name> on proximity
This explicitly states behavior we already use for some touchpads and tablet devices. Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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@ -173,6 +173,10 @@ A few EV_ABS codes have special meanings:
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proximity of the device and while the value of the BTN_TOUCH code is 0. If
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proximity of the device and while the value of the BTN_TOUCH code is 0. If
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the input device may be used freely in three dimensions, consider ABS_Z
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the input device may be used freely in three dimensions, consider ABS_Z
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instead.
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instead.
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- BTN_TOOL_<name> should be set to 1 when the tool comes into detectable
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proximity and set to 0 when the tool leaves detectable proximity.
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BTN_TOOL_<name> signals the type of tool that is currently detected by the
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hardware and is otherwise independent of ABS_DISTANCE and/or BTN_TOUCH.
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* ABS_MT_<name>:
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* ABS_MT_<name>:
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- Used to describe multitouch input events. Please see
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- Used to describe multitouch input events. Please see
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