From 2ddd0f6c26205cd52078702edb90927cd786d84f Mon Sep 17 00:00:00 2001
From: Avery Black <avery.c.black@gmail.com>
Date: Thu, 17 Oct 2024 19:25:24 -0700
Subject: [PATCH] Use I2C interrupt timestamp if possible

---
 VoodooRMI/Transports/I2C/RMII2C.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/VoodooRMI/Transports/I2C/RMII2C.cpp b/VoodooRMI/Transports/I2C/RMII2C.cpp
index 2481376..6a0129c 100644
--- a/VoodooRMI/Transports/I2C/RMII2C.cpp
+++ b/VoodooRMI/Transports/I2C/RMII2C.cpp
@@ -395,7 +395,12 @@ void RMII2C::interruptOccured(OSObject *owner, IOInterruptEventSource *src, int
         return;
     }
     
-    handleAttention(mach_absolute_time(), &inputBuffer[3], size - 3);
+    AbsoluteTime timestamp = mach_absolute_time();
+    if (src != nullptr) {
+        timestamp = src->getPimaryInterruptTimestamp();
+    }
+    
+    handleAttention(timestamp, &inputBuffer[3], size - 3);
 }
 
 void RMII2C::simulateInterrupt(OSObject* owner, IOTimerEventSource* timer) {