diff options
| author | Peter Hutterer <peter.hutterer@who-t.net> | 2015-03-24 15:41:39 +1000 |
|---|---|---|
| committer | Peter Hutterer <peter.hutterer@who-t.net> | 2015-03-27 11:23:53 +1000 |
| commit | 15caf2b53407379f8e677d48a022f4b46b97d83a (patch) | |
| tree | 8617bff75399022ee02ddf4aec22648f4d8a5442 | |
| parent | ef8daaf696584f7c1d3e9f192de18b5b9f923bdc (diff) | |
eventcomm: ignore fake and broken MT devices
An MT device without X/Y is not a touchpad. And neither are fake MT devices.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
(cherry picked from commit fc9f490a2c87e6f87b0f483cd6bf5f526dddbb8d)
| -rw-r--r-- | src/eventcomm.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/eventcomm.c b/src/eventcomm.c index a08a3b3..589a6de 100644 --- a/src/eventcomm.c +++ b/src/eventcomm.c @@ -320,6 +320,15 @@ event_query_is_touchpad(struct libevdev *evdev, BOOL test_grab) libevdev_has_event_code(evdev, EV_ABS, BTN_TOOL_PEN)) /* Don't match wacom tablets */ goto unwind; + if (libevdev_has_event_code(evdev, EV_ABS, ABS_MT_SLOT)) { + if (libevdev_get_num_slots(evdev) == -1) + goto unwind; /* Ignore fake MT devices */ + + if (!libevdev_has_event_code(evdev, EV_ABS, ABS_MT_POSITION_X) || + !libevdev_has_event_code(evdev, EV_ABS, ABS_MT_POSITION_Y)) + goto unwind; + } + ret = TRUE; unwind: |