Perform VialRGB version and flag checks before registering QMK VialRGB controllers

Controllers/QMKController/QMKVialRGBController/QMKVialRGBController.cpp

@@ -27,6 +27,7 @@ QMKVialRGBController::QMKVialRGBController(hid_device *dev_handle, const char *p
     \*-----------------------------------------------------*/
     dev         = dev_handle;
     location    = path;
+    supported   = false;
 
     /*-----------------------------------------------------*\
     | Read product string                                   |
@@ -80,7 +81,20 @@ QMKVialRGBController::QMKVialRGBController(hid_device *dev_handle, const char *p
     | Get VIA, Vial, and VialRGB information                |
     \*-----------------------------------------------------*/
     CmdGetViaProtocolVersion(&via_protocol_version);
+
+    if(via_protocol_version < 9)
+    {
+        return;
+    }
+
     CmdGetVialInfo(&vial_protocol_version, &keyboard_uid, &vialrgb_flag);
+
+    if((vial_protocol_version < 4) || ((vialrgb_flag & 1) == 0))
+    {
+        supported = false;
+        return;
+    }
+
     CmdGetVialRGBInfo(&vialrgb_protocol_version, &maximum_brightness);
 
     /*-----------------------------------------------------*\
@@ -101,6 +115,8 @@ QMKVialRGBController::QMKVialRGBController(hid_device *dev_handle, const char *p
         led_info.push_back(CmdGetLEDInfo(led_index));
         keycodes.push_back(CmdGetKeycode(0, led_info[led_index].row, led_info[led_index].col));
     }
+
+    supported = true;
 }
 
 QMKVialRGBController::~QMKVialRGBController()
@@ -145,6 +161,11 @@ std::string QMKVialRGBController::GetVersion()
          + "UID: " + uid_buf);
 }
 
+bool QMKVialRGBController::GetSupported()
+{
+    return(supported);
+}
+
 unsigned short QMKVialRGBController::GetEffect(std::size_t effect_idx)
 {
     return(supported_effects[effect_idx]);

Controllers/QMKController/QMKVialRGBController/QMKVialRGBController.h

@@ -119,6 +119,8 @@ public:
     std::string         GetVendor();
     std::string         GetVersion();
 
+    bool                GetSupported();
+
     unsigned short      GetEffect(std::size_t effect_idx);
     std::size_t         GetEffectCount();
     unsigned short      GetKeycode(unsigned short led_index);
@@ -159,6 +161,7 @@ private:
     std::string                     name;
     unsigned short                  number_leds;
     std::string                     serial;
+    bool                            supported;
     std::vector<unsigned short>     supported_effects;
     std::string                     vendor;
     unsigned short                  via_protocol_version;

Controllers/QMKController/QMKVialRGBController/QMKVialRGBControllerDetect.cpp

@@ -33,9 +33,17 @@ void DetectQMKVialRGBControllers(hid_device_info *info, const std::string&)
 
     if(dev)
     {
-        QMKVialRGBController*     controller     = new QMKVialRGBController(dev, info->path);
-        RGBController_QMKVialRGB* rgb_controller = new RGBController_QMKVialRGB(controller);
-        ResourceManager::get()->RegisterRGBController(rgb_controller);
+        QMKVialRGBController* controller = new QMKVialRGBController(dev, info->path);
+
+        if(controller->GetSupported())
+        {
+            RGBController_QMKVialRGB* rgb_controller = new RGBController_QMKVialRGB(controller);
+            ResourceManager::get()->RegisterRGBController(rgb_controller);
+        }
+        else
+        {
+            delete controller;
+        }
     }
 }