LibusbDevice: Send wakeup command to Santroller devices

2 files changed, 28 insertions, 0 deletions

diff --git a/Source/Core/Core/IOS/USB/USBScanner.cpp b/Source/Core/Core/IOS/USB/USBScanner.cpp
index 8a8ef2da0b..d96b3c825b 100644
--- a/Source/Core/Core/IOS/USB/USBScanner.cpp
+++ b/Source/Core/Core/IOS/USB/USBScanner.cpp
@@ -150,6 +150,10 @@ bool USBScanner::AddNewDevices(DeviceMap* new_devices) const
       const int ret = m_context.GetDeviceList([&](libusb_device* device) {
         libusb_device_descriptor descriptor;
         libusb_get_device_descriptor(device, &descriptor);
+        if (descriptor.idVendor == 0x1209 && descriptor.idProduct == 0x2882)
+        {
+          WakeupSantrollerDevice(device);
+        }
         if (!whitelist.contains({descriptor.idVendor, descriptor.idProduct}))
           return true;
 
@@ -179,6 +183,29 @@ void USBScanner::AddEmulatedDevices(DeviceMap* new_devices)
   }
 }
 
+void USBScanner::WakeupSantrollerDevice(libusb_device* device)
+{
+#ifdef __LIBUSB__
+  // Santroller devices emulate various instruments for multiple consoles.
+  // On an actual console, santroller detects the console based on how it communicates
+  // with usb devices. Since the underlying operating system is doing that here, the
+  // check doesn't work, so we need to send a special command to make the device
+  // jump to wii emulation mode.
+  libusb_device_handle* lusb_handle;
+  if (libusb_open(device, &lusb_handle) == LIBUSB_SUCCESS)
+  {
+#ifdef __linux__
+    libusb_set_auto_detach_kernel_driver(lusb_handle, true);
+    libusb_claim_interface(lusb_handle, 2);
+#endif
+    libusb_control_transfer(
+        lusb_handle, +LIBUSB_ENDPOINT_IN | +LIBUSB_REQUEST_TYPE_CLASS | +LIBUSB_RECIPIENT_INTERFACE,
+        0x01, 0x03f2, 2, nullptr, 0x11, 5000);
+    libusb_close(lusb_handle);
+  }
+#endif
+}
+
 void USBScanner::AddDevice(std::unique_ptr<USB::Device> device, DeviceMap* new_devices)
 {
   (*new_devices)[device->GetId()] = std::move(device);
diff --git a/Source/Core/Core/IOS/USB/USBScanner.h b/Source/Core/Core/IOS/USB/USBScanner.h
index 60445cb67f..dc850a2bf0 100644
--- a/Source/Core/Core/IOS/USB/USBScanner.h
+++ b/Source/Core/Core/IOS/USB/USBScanner.h
@@ -41,6 +41,7 @@ private:
 
   bool UpdateDevices();
   bool AddNewDevices(DeviceMap* new_devices) const;
+  static void WakeupSantrollerDevice(libusb_device* device);
   static void AddEmulatedDevices(DeviceMap* new_devices);
   static void AddDevice(std::unique_ptr<USB::Device> device, DeviceMap* new_devices);