20-mouse.conf: Add CPI values for 3 Elecom mice

These mice are candidates for WWCB certification (see bugs).

BUG=b:151368035, b:151372198, b:151365388
TEST=none (due to lack of access to mice)

Change-Id: I244873ae9b76706f9884104ef297e5f4e300556a
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/xorg-conf/+/2101875
Tested-by: Harry Cutts <hcutts@chromium.org>
Commit-Queue: Harry Cutts <hcutts@chromium.org>
Reviewed-by: Sean O'Brien <seobrien@chromium.org>
diff --git a/20-mouse.conf b/20-mouse.conf
index 19b4a1a..c0291d1 100644
--- a/20-mouse.conf
+++ b/20-mouse.conf
@@ -246,6 +246,27 @@
 EndSection
 
 Section "InputClass"
+    Identifier      "Elecom EPRIM Blue LED 5 Button Mouse 228"
+    MatchUSBID      "056e:0141"
+    MatchDevicePath "/dev/input/event*"
+    Option          "Mouse CPI" "1700"
+EndSection
+
+Section "InputClass"
+    Identifier      "Elecom M Size Mouse Black 227"
+    MatchUSBID      "056e:0158"
+    MatchDevicePath "/dev/input/event*"
+    Option          "Mouse CPI" "1700"
+EndSection
+
+Section "InputClass"
+    Identifier      "Elecom M Size Blue LED Mouse 203"
+    MatchUSBID      "056e:0159"
+    MatchDevicePath "/dev/input/event*"
+    Option          "Mouse CPI" "1800"
+EndSection
+
+Section "InputClass"
     Identifier      "Apple mice (other)"
     MatchUSBID      "05ac:*"
     MatchDevicePath "/dev/input/event*"