pstar: add initial device specific rootdir

rootdir/bin/init.oem.fingerprint.overlay.sh

@@ -0,0 +1,84 @@
+#!/vendor/bin/sh
+#
+# Identify fingerprint sensor model
+#
+# Copyright (c) 2019 Lenovo
+# All rights reserved.
+#
+# Changed Log:
+# ---------------------------------
+# April 15, 2019  chengql2@lenovo.com  Initial version
+# April 28, 2019  chengql2  Add fps_id creating step
+# December 2, 2019  chengql2  Store fps_id into persist fs, and identify sensor
+#                             again when secure unit boots as factory mode.
+
+script_name=${0##*/}
+script_name=${script_name%.*}
+function log {
+    echo "$script_name: $*" > /dev/kmsg
+}
+
+persist_fps_id=/mnt/vendor/persist/fps/vendor_id
+
+FPS_VENDOR_GOODIX=goodix
+FPS_VENDOR_FPC=fpc
+FPS_VENDOR_NONE=none
+
+PROP_FPS_IDENT=vendor.hw.fps.ident
+MAX_TIMES=20
+
+function ident_fps {
+    log "- install FPC driver"
+    insmod /vendor/lib/modules/fpc1020_mmi.ko
+    sleep 1
+    log "- identify FPC sensor"
+    setprop $PROP_FPS_IDENT ""
+    start fpc_ident
+    for i in $(seq 1 $MAX_TIMES)
+    do
+        sleep 0.1
+        ident_status=$(getprop $PROP_FPS_IDENT)
+        log "-result : $ident_status"
+        if [ $ident_status == $FPS_VENDOR_FPC ]; then
+            log "ok"
+            echo $FPS_VENDOR_FPC > $persist_fps_id
+            return 0
+        elif [ $ident_status == $FPS_VENDOR_NONE ]; then
+            log "fail"
+            log "- unload FPC driver"
+            rmmod fpc1020_mmi
+            break
+        fi
+    done
+
+    log "- install Goodix driver"
+    insmod /vendor/lib/modules/goodix_fod_mmi.ko
+    echo $FPS_VENDOR_GOODIX > $persist_fps_id
+    return 0
+}
+
+if [ ! -f $persist_fps_id ]; then
+    ident_fps
+    return $?
+fi
+
+fps_vendor=$(cat $persist_fps_id)
+if [ -z $fps_vendor ]; then
+    fps_vendor=$FPS_VENDOR_NONE
+fi
+log "FPS vendor: $fps_vendor"
+
+if [ $fps_vendor == $FPS_VENDOR_GOODIX ]; then
+    log "- install Goodix driver"
+    insmod /vendor/lib/modules/goodix_fod_mmi.ko
+    return $?
+fi
+
+if [ $fps_vendor == $FPS_VENDOR_FPC ]; then
+    log "- install FPC driver"
+    insmod /vendor/lib/modules/fpc1020_mmi.ko
+    return $?
+fi
+
+ident_fps
+return $?