From b75d318776c6db59935bd85e71e7bd36101806f5 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Mon, 31 Oct 2022 13:33:53 -0700
Subject: [PATCH] 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 | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/joystick/hidapi/SDL_hidapijoystick.c b/src/joystick/hidapi/SDL_hidapijoystick.c
index 16909a0421..aab90ed7e9 100644
--- a/src/joystick/hidapi/SDL_hidapijoystick.c
+++ b/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();