From 6ea107f8686a4f1d256eed917ac29c1f770f81cb Mon Sep 17 00:00:00 2001
From: Adam Honse <calcprogrammer1@gmail.com>
Date: Thu, 29 Sep 2022 19:30:42 -0500
Subject: [PATCH] Attempt to fix write

---
 i2c_smbus/i2c_smbus_amdadl.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/i2c_smbus/i2c_smbus_amdadl.cpp b/i2c_smbus/i2c_smbus_amdadl.cpp
index 060742b76..b43d0d804 100644
--- a/i2c_smbus/i2c_smbus_amdadl.cpp
+++ b/i2c_smbus/i2c_smbus_amdadl.cpp
@@ -170,6 +170,7 @@ s32 i2c_smbus_amdadl::i2c_smbus_xfer(u8 addr, char read_write, u8 command, int s
         break;
 
     case I2C_SMBUS_BLOCK_DATA:
+        return -1;
         data_size = data->block[0];
         pI2C->pcData = (char*)&data->block[1];
         break;
@@ -196,7 +197,12 @@ s32 i2c_smbus_amdadl::i2c_smbus_xfer(u8 addr, char read_write, u8 command, int s
     else
     {
         pI2C->iAction = ADL_DL_I2C_ACTIONWRITE;
-        pI2C->iDataSize = data_size;
+        pI2C->iDataSize = data_size + 1;
+        pI2C->pcData = i2c_buf;
+
+        i2c_buf[0] = command;
+        memcpy(&i2c_buf[1], data, data_size);
+
         ret = ADL2_Display_WriteAndReadI2C(context, PrimaryDisplay, pI2C);
     }