Brendan Shanks : winebus.sys: Open IOHID devices individually to fix macOS Catalina and Big Sur.

[Alexandre Julliard]

Module: wine
Branch: oldstable
Commit: 52b820c34613361936b00b97e643cd7652b27522
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=52b820c34613361936b00b97e...

Author: Brendan Shanks 
Date:   Mon Nov 23 16:48:44 2020 -0800

winebus.sys: Open IOHID devices individually to fix macOS Catalina and Big Sur.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=50153
Signed-off-by: Brendan Shanks 
Signed-off-by: Alexandre Julliard 
(cherry picked from commit 9c0c0e2b57e0a5e27a1e0a8d1d2ca4660a0e4a86)
Signed-off-by: Michael Stefaniuc

---

dlls/winebus.sys/bus_iohid.c | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/dlls/winebus.sys/bus_iohid.c b/dlls/winebus.sys/bus_iohid.c
index df578b4b9d6..ee6225bf398 100644
--- a/dlls/winebus.sys/bus_iohid.c
+++ b/dlls/winebus.sys/bus_iohid.c
@@ -297,6 +297,13 @@ static void handle_DeviceMatchingCallback(void *context, IOReturn result, void *
     if (str) CFStringToWSTR(str, serial_string, ARRAY_SIZE(serial_string));
     uid = CFNumberToDWORD(IOHIDDeviceGetProperty(IOHIDDevice, CFSTR(kIOHIDLocationIDKey)));

+    if (IOHIDDeviceOpen(IOHIDDevice, 0) != kIOReturnSuccess)
+    {
+        ERR("Failed to open HID device %p (vid %04x, pid %04x)\n", IOHIDDevice, vid, pid);
+        return;
+    }
+    IOHIDDeviceScheduleWithRunLoop(IOHIDDevice, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
+
     if (IOHIDDeviceConformsTo(IOHIDDevice, kHIDPage_GenericDesktop, kHIDUsage_GD_GamePad) ||
        IOHIDDeviceConformsTo(IOHIDDevice, kHIDPage_GenericDesktop, kHIDUsage_GD_Joystick))
     {
@@ -365,6 +372,8 @@ static void handle_RemovalCallback(void *context, IOReturn result, void *sender,
     IOHIDDeviceRegisterInputReportCallback(IOHIDDevice, NULL, 0, NULL, NULL);
     /* Note: Yes, we leak the buffer. But according to research there is no
              safe way to deallocate that buffer. */
+    IOHIDDeviceUnscheduleFromRunLoop(IOHIDDevice, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
+    IOHIDDeviceClose(IOHIDDevice, 0);
     device = bus_find_hid_device(&iohid_vtbl, IOHIDDevice);
     if (device)
     {
@@ -383,13 +392,6 @@ static DWORD CALLBACK runloop_thread(void *args)
     IOHIDManagerRegisterDeviceMatchingCallback(hid_manager, handle_DeviceMatchingCallback, NULL);
     IOHIDManagerRegisterDeviceRemovalCallback(hid_manager, handle_RemovalCallback, NULL);
     IOHIDManagerScheduleWithRunLoop(hid_manager, run_loop, kCFRunLoopDefaultMode);
-    if (IOHIDManagerOpen( hid_manager, 0 ) != kIOReturnSuccess)
-    {
-        ERR("Couldn't open IOHIDManager.\n");
-        IOHIDManagerUnscheduleFromRunLoop(hid_manager, run_loop, kCFRunLoopDefaultMode);
-        CFRelease(hid_manager);
-        return 0;
-    }

CFRunLoopRun();
     TRACE("Run Loop exiting\n");