From: JengHyun Kang <jhyuni.kang@samsung.com>
Date: Fri, 9 Dec 2016 02:51:58 +0000 (+0900)
Subject: Ignore joystick devices if LIBINPUT_IGNORE_JOYSTICK env is 1
X-Git-Tag: submit/tizen/20220208.100129~39
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d9ef13533bd1e87b34eedcd0f9d67cc230594681;p=platform%2Fupstream%2Flibinput.git

Ignore joystick devices if LIBINPUT_IGNORE_JOYSTICK env is 1

Change-Id: I56d9cc833acad212e3d8071a79adf27bc29c19ca
---

diff --git a/src/evdev.c b/src/evdev.c
index b855f0cc..d603f5d7 100644
--- a/src/evdev.c
+++ b/src/evdev.c
@@ -1826,6 +1826,7 @@ evdev_configure_device(struct evdev_device *device)
 	enum evdev_device_udev_tags udev_tags;
 	unsigned int tablet_tags;
 	struct evdev_dispatch *dispatch;
+	char *env;
 
 	udev_tags = evdev_device_get_udev_tags(device, device->udev_device);
 
@@ -1862,10 +1863,24 @@ evdev_configure_device(struct evdev_device *device)
 		evdev_disable_accelerometer_axes(device);
 	}
 
-	if (udev_tags == (EVDEV_UDEV_TAG_INPUT|EVDEV_UDEV_TAG_JOYSTICK)) {
-		evdev_log_info(device,
-			       "device is a joystick, ignoring\n");
-		return NULL;
+	/* 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) {
+		env = getenv("LIBINPUT_IGNORE_JOYSTICK");
+		if (env && atoi(env) == 1) {
+			log_info(libinput,
+				 "input device '%s', %s have joystick, ignoring\n",
+				 device->devname, devnode);
+				return -1;
+		}
+		else {
+			if ((udev_tags & EVDEV_UDEV_TAG_JOYSTICK) == udev_tags) {
+				log_info(libinput,
+					 "input device '%s', %s is a joystick, ignoring\n",
+					 device->devname, devnode);
+				return -1;
+			}
+		}
 	}
 
 	if (evdev_reject_device(device)) {