Make sure the events we deal with are the ones we actually honor. This reduces
the chance that we accidentally process events we weren't event supposed to
get based on some earlier device decision.
Signed-off-by: Peter Hutterer <peter.hutte...@who-t.net>
---
src/evdev-mt-touchpad.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/src/evdev-mt-touchpad.c b/src/evdev-mt-touchpad.c
index f437c2d..ca00c40 100644
--- a/src/evdev-mt-touchpad.c
+++ b/src/evdev-mt-touchpad.c
@@ -1749,6 +1749,16 @@ tp_sync_touch(struct tp_dispatch *tp,
libevdev_fetch_slot_value(evdev, slot, ABS_MT_DISTANCE, &t->distance);
}
+static inline void
+tp_disable_abs_mt(struct evdev_device *device)
+{
+ struct libevdev *evdev = device->evdev;
+ unsigned int code;
+
+ for (code = ABS_MT_SLOT; code <= ABS_MAX; code++)
+ libevdev_disable_event_code(evdev, EV_ABS, code);
+}
+
static bool
tp_init_slots(struct tp_dispatch *tp,
struct evdev_device *device)
@@ -1804,6 +1814,9 @@ tp_init_slots(struct tp_dispatch *tp,
tp->has_mt = false;
}
+ if (!tp->has_mt)
+ tp_disable_abs_mt(device);
+
ARRAY_FOR_EACH(max_touches, m) {
if (libevdev_has_event_code(device->evdev,
EV_KEY,
--
2.9.3
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