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| author | Peter Hutterer <peter.hutterer@who-t.net> | 2016-04-06 20:14:46 +0300 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2016-04-06 20:23:09 +0300 |
| commit | 7eb5ca09e48ec671586218ec4f381c43d534f2f4 (patch) | |
| tree | c475b473950d95fb63b77da53c1a69c3df2e83c6 /Documentation/input | |
| parent | d63b0f0c0f19dc8687387ead5a28148dcad1a4b9 (diff) | |
| download | linux-7eb5ca09e48ec671586218ec4f381c43d534f2f4.tar.xz | |
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>
Diffstat (limited to 'Documentation/input')
| -rw-r--r-- | Documentation/input/event-codes.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/input/event-codes.txt b/Documentation/input/event-codes.txt index 3f0f5ce3338b..36ea940e5bb9 100644 --- a/Documentation/input/event-codes.txt +++ b/Documentation/input/event-codes.txt @@ -173,6 +173,10 @@ A few EV_ABS codes have special meanings: proximity of the device and while the value of the BTN_TOUCH code is 0. If the input device may be used freely in three dimensions, consider ABS_Z instead. + - BTN_TOOL_<name> should be set to 1 when the tool comes into detectable + proximity and set to 0 when the tool leaves detectable proximity. + 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_MT_<name>: - Used to describe multitouch input events. Please see |