Sometimes the HID open doesn't succeed immediately after being notified about the device

Tested on Steam Link hardware with the Nintendo Switch Pro controller, which will occasionally take 2 attempts to open.

src/joystick/hidapi/SDL_hidapijoystick.c

@@ -368,6 +368,8 @@ HIDAPI_SetupDeviceDriver(SDL_HIDAPI_Device *device, SDL_bool *removed)
              *
              * See https://github.com/libsdl-org/SDL/issues/6347 for details
              */
+            const int MAX_ATTEMPTS = 3;
+            int attempt;
             int lock_count = 0;
             SDL_HIDAPI_Device *curr;
             SDL_hid_device *dev;
@@ -378,7 +380,14 @@ HIDAPI_SetupDeviceDriver(SDL_HIDAPI_Device *device, SDL_bool *removed)
                 ++lock_count;
                 SDL_UnlockJoysticks();
             }
-            dev = SDL_hid_open_path(path, 0);
+            for (attempt = 0; attempt < MAX_ATTEMPTS; ++attempt) {
+                dev = SDL_hid_open_path(path, 0);
+                if (dev != NULL) {
+                    break;
+                }
+                /* Wait a bit and try again */
+                SDL_Delay(30);
+            }
             while (lock_count > 0) {
                 --lock_count;
                 SDL_LockJoysticks();