Branch zuma from gs201

Branch zuma from gs201 sha1 9009acf5c217f553b45ea82aa0702607229f0347

cp/pantah/ripcurrent
cp/gs201/zuma

Bug: 229340586
Change-Id: Ia312c20dae892ead9bf06728b4ef5c0c260ad045
Signed-off-by: Aaron Ding <aaronding@google.com>

init.insmod.sh

@@ -0,0 +1,76 @@
+#!/vendor/bin/sh
+
+#############################################################
+### init.insmod.cfg format:                               ###
+### ----------------------------------------------------- ###
+### [insmod|setprop|enable/moprobe|wait] [path|prop name] ###
+### ...                                                   ###
+#############################################################
+
+modules_dir=
+
+for f in /vendor/lib/modules/*/modules.dep /vendor/lib/modules/modules.dep; do
+  if [[ -f "$f" ]]; then
+    modules_dir="$(dirname "$f")"
+    break
+  fi
+done
+
+if [[ -z "${modules_dir}" ]]; then
+  echo "Unable to locate kernel modules directory" 2>&1
+  exit 1
+fi
+
+# imitates wait_for_file() in init
+wait_for_file()
+{
+    filename="${1}"
+    timeout="${2:-5}"
+
+    expiry=$(($(date "+%s")+timeout))
+    while [[ ! -e "${filename}" ]] && [[ "$(date "+%s")" -le "${expiry}" ]]
+    do
+        sleep 0.01
+    done
+}
+
+install_display_drivers()
+{
+  panel_drv=`getprop ro.boot.primary_panel_drv`
+  if [[ -z "$panel_drv" ]]; then
+    panel_drv="panel-samsung-emul"
+  fi
+  modprobe -d "${modules_dir}" exynos-drm.ko
+  modprobe -d "${modules_dir}" $panel_drv.ko
+}
+
+if [ $# -eq 1 ]; then
+  cfg_file=$1
+else
+  # Set property even if there is no insmod config
+  # to unblock early-boot trigger
+  setprop vendor.common.modules.ready
+  setprop vendor.device.modules.ready
+  exit 1
+fi
+
+if [ -f $cfg_file ]; then
+  while IFS="|" read -r action arg
+  do
+    case $action in
+      "insmod") insmod $arg ;;
+      "setprop") setprop $arg 1 ;;
+      "enable") echo 1 > $arg ;;
+      "modprobe")
+        case ${arg} in
+          "-b *" | "-b")
+            arg="-b --all=${modules_dir}/modules.load" ;;
+          "*" | "")
+            arg="--all=${modules_dir}/modules.load" ;;
+        esac
+        modprobe -a -d "${modules_dir}" $arg ;;
+      "wait") wait_for_file $arg ;;
+      "install_display_drivers") install_display_drivers ;;
+    esac
+  done < $cfg_file
+fi