From 53924b739fe54b06449a6ab910f720deb2a71324 Mon Sep 17 00:00:00 2001
From: "xiaozhuai, Weihang Ding" <798047000@qq.com>
Date: Tue, 2 Mar 2021 14:11:59 +0800
Subject: [PATCH] fix #172

---
 hidpi.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hidpi.sh b/hidpi.sh
index 4d2c406..284a106 100755
--- a/hidpi.sh
+++ b/hidpi.sh
@@ -102,7 +102,7 @@ function get_edid() {
             let index++
             MonitorName=("$(echo ${display:190:24} | xxd -p -r)")
             VendorID=${display:16:4}
-            ProductID=${gMonitor:22:2}${gMonitor:20:2}
+            ProductID=${display:22:2}${display:20:2}
 
             if [[ ${VendorID} == 0610 ]]; then
                 MonitorName="Apple Display"