From 1b712a04462981d219b605af1dd61a1025756e84 Mon Sep 17 00:00:00 2001
From: Pavol Rusnak <stick@gk2.sk>
Date: Sun, 28 Jan 2018 02:18:39 +0100
Subject: [PATCH] trezorhal: fix simple interface behaviour on windows

---
 embed/trezorhal/usbd_core.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/embed/trezorhal/usbd_core.c b/embed/trezorhal/usbd_core.c
index 876d6122a..265cf86cc 100644
--- a/embed/trezorhal/usbd_core.c
+++ b/embed/trezorhal/usbd_core.c
@@ -289,7 +289,6 @@ USBD_StatusTypeDef USBD_LL_SetupStage(USBD_HandleTypeDef *pdev, uint8_t *psetup)
       break;
 
     case USB_REQ_TYPE_CLASS:
-    case USB_REQ_TYPE_VENDOR:
       if (pdev->dev_state == USBD_STATE_CONFIGURED) {
         if (pdev->pClass->Setup != NULL)
             pdev->pClass->Setup(pdev, &pdev->request);
@@ -297,6 +296,15 @@ USBD_StatusTypeDef USBD_LL_SetupStage(USBD_HandleTypeDef *pdev, uint8_t *psetup)
           USBD_CtlError(pdev, &pdev->request);
       }
       break;
+
+    case USB_REQ_TYPE_VENDOR:
+      if (pdev->dev_state == USBD_STATE_CONFIGURED || pdev->dev_state == USBD_STATE_ADDRESSED) {
+        if (pdev->pClass->Setup != NULL)
+            pdev->pClass->Setup(pdev, &pdev->request);
+      } else {
+          USBD_CtlError(pdev, &pdev->request);
+      }
+      break;
   }
 
   return USBD_OK;