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libinput: make setting the same output a no-op

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In the future evdev_device_set_output() will start getting called more
often, redundantly. Short-circuit the setting if the chosen output is
already set for an input device. This reduces churn in the logs.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Pekka Paalanen
2017-04-18 12:22:12 +03:00
parent 6632b6dc72
commit 018e6ade21
1 changed files with 3 additions and 0 deletions
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libweston/libinput-device.c
+3
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@@ -549,6 +549,9 @@ void
evdev_device_set_output(struct evdev_device *device, evdev_device_set_output(struct evdev_device *device,
struct weston_output *output) struct weston_output *output)
{ {
if (device->output == output)
return;
if (device->output_destroy_listener.notify) { if (device->output_destroy_listener.notify) {
wl_list_remove(&device->output_destroy_listener.link); wl_list_remove(&device->output_destroy_listener.link);
device->output_destroy_listener.notify = NULL; device->output_destroy_listener.notify = NULL;