diff -Nru systemd-245.4/debian/changelog systemd-245.4/debian/changelog
--- systemd-245.4/debian/changelog	2021-07-22 03:00:21.000000000 +0800
+++ systemd-245.4/debian/changelog	2021-07-28 15:27:14.000000000 +0800
@@ -1,3 +1,9 @@
+systemd (245.4-4ubuntu3.12) focal; urgency=medium
+
+  * Add ACCEL_LOCATION=base property for Dell clamshell models (LP: #1938259)
+
+ -- Yao Wei <yao.wei@canonical.com>  Wed, 28 Jul 2021 15:27:14 +0800
+
 systemd (245.4-4ubuntu3.11) focal-security; urgency=medium
 
   * d/p/lp1937117/0001-revert-lp1929560-network-move-set-MAC-and-set-nomaster-operations-out.patch,
diff -Nru systemd-245.4/debian/patches/dell-clamshell-accel-location-base.patch systemd-245.4/debian/patches/dell-clamshell-accel-location-base.patch
--- systemd-245.4/debian/patches/dell-clamshell-accel-location-base.patch	1970-01-01 08:00:00.000000000 +0800
+++ systemd-245.4/debian/patches/dell-clamshell-accel-location-base.patch	2021-07-28 15:27:14.000000000 +0800
@@ -0,0 +1,26 @@
+From: Yao Wei <yao.wei@canonical.com>
+Date: Wed, 28 Jul 2021 10:45:44 +0800
+Subject: Add ACCEL_LOCATION=base property for Dell clamshell models
+
+Origin: upstream, https://github.com/systemd/systemd/pull/20314
+---
+ hwdb.d/60-sensor.hwdb | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/hwdb.d/60-sensor.hwdb b/hwdb.d/60-sensor.hwdb
+index abedbac..e19a3e9 100644
+--- a/hwdb.d/60-sensor.hwdb
++++ b/hwdb.d/60-sensor.hwdb
+@@ -249,6 +249,12 @@ sensor:modalias:acpi:*KIOX000A*:dmi:*svn*CytrixTechnology:*pn*Complex11t*
+ sensor:modalias:platform:HID-SENSOR-200073:dmi:*svnDell*:pnVostro5581:*
+  ACCEL_LOCATION=base
+ 
++sensor:modalias:platform:HID-SENSOR-200073:dmi:*svnDell*:sku0A3E:*
++ ACCEL_LOCATION=base
++
++sensor:modalias:platform:HID-SENSOR-200073:dmi:*svnDell*:sku0B0B:*
++ ACCEL_LOCATION=base
++
+ # Dell Venue 10 Pro 5055
+ sensor:modalias:acpi:INVN6500*:dmi:*svnDell*:pnVenue10Pro5055*
+  ACCEL_MOUNT_MATRIX=0, -1, 0; 1, 0, 0; 0, 0, 1
diff -Nru systemd-245.4/debian/patches/series systemd-245.4/debian/patches/series
--- systemd-245.4/debian/patches/series	2021-07-22 03:00:21.000000000 +0800
+++ systemd-245.4/debian/patches/series	2021-07-28 15:27:14.000000000 +0800
@@ -148,3 +148,4 @@
 CVE-2021-33910.patch
 lp1937117/0001-revert-lp1929560-network-move-set-MAC-and-set-nomaster-operations-out.patch
 lp1937117/0002-avoid-changing-interface-master-if-interface-already-up.patch
+dell-clamshell-accel-location-base.patch