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evdev: reject devices with only REL_X but no REL_Y (or vice versa)

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Not sure if any exists, if they do let's see if a user files a bug report
first so we know what to do with those (they're most likely buttonsets).

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-By: Derek Foreman <derekf@osg.samsung.com>
This commit is contained in:
Peter Hutterer 2015-04-24 15:01:55 +10:00
parent 9191010ac2
commit 6083fafe53
1 changed files with 4 additions and 0 deletions
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4
src/evdev.c
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@ -1606,6 +1606,10 @@ evdev_reject_device(struct evdev_device *device)
libevdev_has_event_code(evdev, EV_ABS, ABS_Y))
return -1;
if (libevdev_has_event_code(evdev, EV_REL, REL_X) ^
libevdev_has_event_code(evdev, EV_REL, REL_Y))
return -1;
if (libevdev_has_event_code(evdev, EV_ABS, ABS_MT_POSITION_X) ^
libevdev_has_event_code(evdev, EV_ABS, ABS_MT_POSITION_Y))
return -1;