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| author | Peter Hutterer <peter.hutterer@who-t.net> | 2015-03-24 15:41:39 +1000 |
|---|---|---|
| committer | Peter Hutterer <peter.hutterer@who-t.net> | 2015-03-25 07:29:00 +1000 |
| commit | fc9f490a2c87e6f87b0f483cd6bf5f526dddbb8d (patch) | |
| tree | eb86a36271d9b6a400227fcc8ff4593e21fc5219 | |
| parent | 30866b97be6939b895327b930154ef758eed7ff8 (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>
| -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 cddf7fc..3a9d45d 100644 --- a/src/eventcomm.c +++ b/src/eventcomm.c @@ -325,6 +325,15 @@ event_query_is_touchpad(struct libevdev *evdev) libevdev_has_event_code(evdev, EV_ABS, BTN_TOOL_PEN)) /* Don't match wacom tablets */ return FALSE; + if (libevdev_has_event_code(evdev, EV_ABS, ABS_MT_SLOT)) { + if (libevdev_get_num_slots(evdev) == -1) + return FALSE; /* 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)) + return FALSE; + } + return TRUE; } |