From 885b3f6948debb2726427a1e9de642b7e73afb93 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Mon, 23 Mar 2020 14:10:25 -0700
Subject: [PATCH] Don't check the HIDAPI driver for the virtual device created
 by xow

---
 src/joystick/linux/SDL_sysjoystick.c | 15 ++++++++++++++-
 src/joystick/usb_ids.h               |  1 +
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/joystick/linux/SDL_sysjoystick.c b/src/joystick/linux/SDL_sysjoystick.c
index 2321ba23d6544..28bccd8eab51f 100644
--- a/src/joystick/linux/SDL_sysjoystick.c
+++ b/src/joystick/linux/SDL_sysjoystick.c
@@ -104,6 +104,18 @@ FixupDeviceInfoForMapping(int fd, struct input_id *inpid)
     }
 }
 
+#ifdef SDL_JOYSTICK_HIDAPI
+static SDL_bool
+IsVirtualJoystick(Uint16 vendor, Uint16 product, Uint16 version, const char *name)
+{
+    if (vendor == USB_VENDOR_MICROSOFT && product == USB_PRODUCT_XBOX_ONE_S && version == 0 &&
+        SDL_strcmp(name, "Xbox One S Controller") == 0) {
+        /* This is the virtual device created by the xow driver */
+        return SDL_TRUE;
+    }
+    return SDL_FALSE;
+}
+#endif /* SDL_JOYSTICK_HIDAPI */
 
 static int
 IsJoystick(int fd, char **name_return, SDL_JoystickGUID *guid)
@@ -145,7 +157,8 @@ IsJoystick(int fd, char **name_return, SDL_JoystickGUID *guid)
     }
 
 #ifdef SDL_JOYSTICK_HIDAPI
-    if (HIDAPI_IsDevicePresent(inpid.vendor, inpid.product, inpid.version, name)) {
+    if (!IsVirtualJoystick(inpid.vendor, inpid.product, inpid.version, name) &&
+        HIDAPI_IsDevicePresent(inpid.vendor, inpid.product, inpid.version, name)) {
         /* The HIDAPI driver is taking care of this device */
         SDL_free(name);
         return 0;
diff --git a/src/joystick/usb_ids.h b/src/joystick/usb_ids.h
index cf806bdd995e4..519742da4e695 100644
--- a/src/joystick/usb_ids.h
+++ b/src/joystick/usb_ids.h
@@ -44,6 +44,7 @@
 #define USB_PRODUCT_XBOX_ONE_ELITE_SERIES_1             0x02e3
 #define USB_PRODUCT_XBOX_ONE_ELITE_SERIES_2             0x0b00
 #define USB_PRODUCT_XBOX_ONE_ELITE_SERIES_2_BLUETOOTH   0x0b05
+#define USB_PRODUCT_XBOX_ONE_S                          0x02ea
 #define USB_PRODUCT_XBOX_ONE_S_REV1_BLUETOOTH           0x02e0
 #define USB_PRODUCT_XBOX_ONE_S_REV2_BLUETOOTH           0x02fd