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touchpad: remove the lid switch listener on device_removed

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Sequence triggered by the xorg driver, but basically: if the touchpad is
destroyed before the lid switch, the event listener wasn't removed and an
assertion was triggered.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2017-05-05 12:48:35 +10:00
parent 87b04a0cb2
commit 9d1fdb0c6d
2 changed files with 32 additions and 0 deletions
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6
src/evdev-mt-touchpad.c
View file

@ -1768,6 +1768,12 @@ tp_interface_device_removed(struct evdev_device *device,
tp->dwt.keyboard = NULL;
}
if (removed_device == tp->lid_switch.lid_switch) {
libinput_device_remove_event_listener(
&tp->lid_switch.lid_switch_listener);
tp->lid_switch.lid_switch = NULL;
}
if (tp->sendevents.current_mode !=
LIBINPUT_CONFIG_SEND_EVENTS_DISABLED_ON_EXTERNAL_MOUSE)
return;

26
test/test-lid.c
View file

@ -407,6 +407,30 @@ START_TEST(lid_open_on_key_touchpad_enabled)
}
END_TEST
START_TEST(lid_suspend_with_touchpad)
{
struct libinput *li;
struct litest_device *touchpad, *sw;
li = litest_create_context();
sw = litest_add_device(li, LITEST_LID_SWITCH);
litest_drain_events(li);
touchpad = litest_add_device(li, LITEST_SYNAPTICS_I2C);
litest_delete_device(touchpad);
touchpad = litest_add_device(li, LITEST_SYNAPTICS_I2C);
litest_drain_events(li);
litest_delete_device(sw);
litest_drain_events(li);
litest_delete_device(touchpad);
litest_drain_events(li);
libinput_unref(li);
}
END_TEST
START_TEST(lid_update_hw_on_key)
{
struct litest_device *sw = litest_current_device();
@ -469,5 +493,7 @@ litest_setup_tests_lid(void)
litest_add("lid:keyboard", lid_open_on_key, LITEST_SWITCH, LITEST_ANY);
litest_add("lid:keyboard", lid_open_on_key_touchpad_enabled, LITEST_SWITCH, LITEST_ANY);
litest_add_no_device("lid:disable_touchpad", lid_suspend_with_touchpad);
litest_add_for_device("lid:buggy", lid_update_hw_on_key, LITEST_LID_SWITCH_SURFACE3);
}