From b0f7ea5c8f25ddea65f3224bfa2acce67474a10a Mon Sep 17 00:00:00 2001
From: Adam Honse <calcprogrammer1@gmail.com>
Date: Thu, 26 Nov 2020 15:55:32 -0600
Subject: [PATCH] Special detection for 0x48 address in Gigabyte RGB Fusion GPU
 controller

---
 .../GigabyteRGBFusionGPUControllerDetect.cpp  | 76 ++++++++++++++-----
 1 file changed, 56 insertions(+), 20 deletions(-)

diff --git a/Controllers/GigabyteRGBFusionGPUController/GigabyteRGBFusionGPUControllerDetect.cpp b/Controllers/GigabyteRGBFusionGPUController/GigabyteRGBFusionGPUControllerDetect.cpp
index 08cf5a556..514cdcdb5 100644
--- a/Controllers/GigabyteRGBFusionGPUController/GigabyteRGBFusionGPUControllerDetect.cpp
+++ b/Controllers/GigabyteRGBFusionGPUController/GigabyteRGBFusionGPUControllerDetect.cpp
@@ -42,33 +42,69 @@ bool TestForGigabyteRGBFusionGPUController(i2c_smbus_interface* bus, unsigned ch
     bool pass = false;
     int res;
 
-    //Write out 0xAB 0x00 0x00 0x00 sequence
-    res = bus->i2c_smbus_write_byte(address, 0xAB);
-
-    if (res >= 0)
+    switch(address)
     {
-        bus->i2c_smbus_write_byte(address, 0x00);
-        bus->i2c_smbus_write_byte(address, 0x00);
-        bus->i2c_smbus_write_byte(address, 0x00);
+        case 0x47:
+            //Write out 0xAB 0x00 0x00 0x00 sequence
+            res = bus->i2c_smbus_write_byte(address, 0xAB);
 
-        pass = true;
+            if (res >= 0)
+            {
+                bus->i2c_smbus_write_byte(address, 0x00);
+                bus->i2c_smbus_write_byte(address, 0x00);
+                bus->i2c_smbus_write_byte(address, 0x00);
 
-        res = bus->i2c_smbus_read_byte(address);
+                pass = true;
 
-        if (res != 0xAB)
-        {
-            pass = false;
-        }
+                res = bus->i2c_smbus_read_byte(address);
 
-        res = bus->i2c_smbus_read_byte(address);
+                if (res != 0xAB)
+                {
+                    pass = false;
+                }
 
-        if(res != 0x14)
-        {
-            pass = false;
-        }
+                res = bus->i2c_smbus_read_byte(address);
 
-        bus->i2c_smbus_read_byte(address);
-        bus->i2c_smbus_read_byte(address);
+                if(res != 0x14)
+                {
+                    pass = false;
+                }
+
+                bus->i2c_smbus_read_byte(address);
+                bus->i2c_smbus_read_byte(address);
+            }
+            break;
+
+        case 0x48:
+            //Write out 0xCC 0x01 0x00 0x00 sequence
+            res = bus->i2c_smbus_write_byte(address, 0xCC);
+
+            if (res >= 0)
+            {
+                bus->i2c_smbus_write_byte(address, 0x01);
+                bus->i2c_smbus_write_byte(address, 0x00);
+                bus->i2c_smbus_write_byte(address, 0x00);
+
+                pass = true;
+
+                res = bus->i2c_smbus_read_byte(address);
+
+                if (res != 0xCC)
+                {
+                    pass = false;
+                }
+
+                res = bus->i2c_smbus_read_byte(address);
+
+                if(res != 0x01)
+                {
+                    pass = false;
+                }
+
+                bus->i2c_smbus_read_byte(address);
+                bus->i2c_smbus_read_byte(address);
+            }
+            break;
     }
 
     return(pass);