[PATCH libinput] evdev: ignore accelerometer devices

[Peter Hutterer]

https://bugs.freedesktop.org/show_bug.cgi?id=91563

Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>
---
 src/evdev.c   |  7 +++++++
 test/device.c | 29 +++++++++++++++++++++++++++++
 2 files changed, 36 insertions(+)

diff --git a/src/evdev.c b/src/evdev.c
index 303e447..094320e 100644
--- a/src/evdev.c
+++ b/src/evdev.c
@@ -1917,6 +1917,13 @@ evdev_configure_device(struct evdev_device *device)
 		 udev_tags & EVDEV_UDEV_TAG_ACCELEROMETER ? " Accelerometer" : "",
 		 udev_tags & EVDEV_UDEV_TAG_BUTTONSET ? " Buttonset" : "");
 
+	if (udev_tags & EVDEV_UDEV_TAG_ACCELEROMETER) {
+		log_info(libinput,
+			 "input device '%s', %s is an accelerometer, ignoring\n",
+			 device->devname, devnode);
+		return -1;
+	}
+
 	/* libwacom *adds* TABLET, TOUCHPAD but leaves JOYSTICK in place, so
 	   make sure we only ignore real joystick devices */
 	if ((udev_tags & EVDEV_UDEV_TAG_JOYSTICK) == udev_tags) {
diff --git a/test/device.c b/test/device.c
index aff5ee2..2aa090c 100644
--- a/test/device.c
+++ b/test/device.c
@@ -949,6 +949,34 @@ START_TEST(device_wheel_only)
 }
 END_TEST
 
+START_TEST(device_accelerometer)
+{
+	struct libinput *li;
+	struct libevdev_uinput *uinput;
+	struct libinput_device *device;
+
+	struct input_absinfo absinfo[] = {
+		{ ABS_X, 0, 10, 0, 0, 10 },
+		{ ABS_Y, 0, 10, 0, 0, 10 },
+		{ ABS_Z, 0, 10, 0, 0, 10 },
+		{ -1, -1, -1, -1, -1, -1 }
+	};
+
+	li = litest_create_context();
+	litest_disable_log_handler(li);
+
+	uinput = litest_create_uinput_abs_device("test device", NULL,
+						 absinfo,
+						 -1);
+	device = libinput_path_add_device(li,
+					  libevdev_uinput_get_devnode(uinput));
+	litest_assert_ptr_null(device);
+	libevdev_uinput_destroy(uinput);
+	litest_restore_log_handler(li);
+	libinput_unref(li);
+}
+END_TEST
+
 START_TEST(device_udev_tag_alps)
 {
 	struct litest_device *dev = litest_current_device();
@@ -1222,6 +1250,7 @@ litest_setup_tests(void)
 	litest_add_no_device("device:invalid devices", abs_mt_device_missing_res);
 
 	litest_add("device:wheel", device_wheel_only, LITEST_WHEEL, LITEST_RELATIVE|LITEST_ABSOLUTE);
+	litest_add_no_device("device:accelerometer", device_accelerometer);
 
 	litest_add("device:udev tags", device_udev_tag_alps, LITEST_TOUCHPAD, LITEST_ANY);
 	litest_add("device:udev tags", device_udev_tag_wacom, LITEST_TOUCHPAD, LITEST_ANY);
-- 
2.4.3