From 45eed7d6952c19e586b3d71d7f3789f0132bd278 Mon Sep 17 00:00:00 2001
From: John Klug <john.klug@multitech.com>
Date: Wed, 2 Feb 2022 19:24:16 -0600
Subject: Fix GPS on MTCDTIP2

---
 recipes-bsp/multitech/mt-dt-overlay/init     | 26 ++++++++++++++------------
 recipes-bsp/multitech/mt-dt-overlay_1.1.2.bb |  2 +-
 2 files changed, 15 insertions(+), 13 deletions(-)

diff --git a/recipes-bsp/multitech/mt-dt-overlay/init b/recipes-bsp/multitech/mt-dt-overlay/init
index 2112edc..00af9f8 100755
--- a/recipes-bsp/multitech/mt-dt-overlay/init
+++ b/recipes-bsp/multitech/mt-dt-overlay/init
@@ -49,14 +49,17 @@ install_dtbo_dir() {
 #              [flag]
 #                  [file1] [file2] [file3]
 setdevtree() {
-    hwlin=$(mts-id-eeprom --in-file "$eepromPath" 2>/dev/null | grep '^hw-version:')
-    [[ $hwlin =~ hw-version:[[:space:]]*\"([^\"]+) ]]
+    eeprom=$(mts-id-eeprom --in-file "$eepromPath" 2>/dev/null)
+    [[ $eeprom =~ [[:space:]]hw-version:[[:space:]]*\"([^\"]+) ]]
     hw=${BASH_REMATCH[1]}
     mach=${hw/%-*}
     rev=${hw/#*-/}
     echo mach is $mach
     echo rev is $rev
-    capd="${sysdir}/capability"
+
+    regx='capa-(.*):[[:space:]]*true'
+    capflags=$(echo "$eeprom" | egrep "$regx" | sed -e 's/capa-//g' -e 's/: true//')
+    capflags=" ${capflags} "
 
     # add device tree overlays, if they exist.
     [[ -d /lib/dtoverlays ]] || return 1
@@ -83,15 +86,14 @@ setdevtree() {
     if [[ -d capability ]] ; then
         cd capability
         for d in * ; do
-            if [[ -f ${capd}/$d ]] ; then
-                if (($(cat ${capd}/$d) == 1)) ; then
-                    echo "This device has capabilithy $d"
-                    (
-                        cd $d
-                        install_dtbo_dir
-                    )
-                fi # Install dtbo files for a capability
-            fi # Does a given capability flag exist in the mts-io platform
+            echo "We have found overlay capability directory $d"
+            if [[ ${capflags} =~ [[:space:]]${d}[[:space:]] ]] ; then
+                echo "This device has capabilithy $d so install the overlay"
+                (
+                    cd $d
+                    install_dtbo_dir
+                )
+            fi # Does a given capability flag exist in the EEPROM
         done # Loop over all capabilities for this machine and version overlays
     fi # Is there a capability directory to be installed?
     )
diff --git a/recipes-bsp/multitech/mt-dt-overlay_1.1.2.bb b/recipes-bsp/multitech/mt-dt-overlay_1.1.2.bb
index 09c8f4a..98fb5e4 100644
--- a/recipes-bsp/multitech/mt-dt-overlay_1.1.2.bb
+++ b/recipes-bsp/multitech/mt-dt-overlay_1.1.2.bb
@@ -24,7 +24,7 @@ COMPATIBLE_MACHINE = "(mtcap|mtrv1|mtcdt)"
 
 dt_dir = "/lib/dtoverlays"
 
-PR = "r3"
+PR = "r4"
 
 SRC_URI = " \
 	git://git.multitech.net/mt-dt-overlay.git;protocol=git \
-- 
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