From caccfdc0a6493ca536835dafee3623ea10652370 Mon Sep 17 00:00:00 2001
From: Philippe De Swert <philippedeswert@gmail.com>
Date: Sun, 24 Jan 2016 15:50:21 +0200
Subject: [PATCH] adb: Add missing scripts and service for adb mode

To get a working adb mode, we need to add the functionfs mounting,
as just starting adbd is not enough anymore.

Signed-off-by: Philippe De Swert <philippedeswert@gmail.com>
---
 systemd/adbd-functionfs.sh   | 10 ++++++++++
 systemd/adbd-prepare.service | 17 +++++++++++++++++
 2 files changed, 27 insertions(+)
 create mode 100644 systemd/adbd-functionfs.sh
 create mode 100644 systemd/adbd-prepare.service

diff --git a/systemd/adbd-functionfs.sh b/systemd/adbd-functionfs.sh
new file mode 100644
index 0000000..0e06cfd
--- /dev/null
+++ b/systemd/adbd-functionfs.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+set -e
+mkdir -p /dev/usb-ffs
+chmod 0770 /dev/usb-ffs
+chown shell:shell /dev/usb-ffs
+mkdir -p /dev/usb-ffs/adb
+chmod 0770 /dev/usb-ffs/adb
+chown shell:shell /dev/usb-ffs/adb
+/bin/mount -t functionfs adb /dev/usb-ffs/adb -o uid=shell,gid=shell
+exit 0
diff --git a/systemd/adbd-prepare.service b/systemd/adbd-prepare.service
new file mode 100644
index 0000000..fe0eaf4
--- /dev/null
+++ b/systemd/adbd-prepare.service
@@ -0,0 +1,17 @@
+# Copyright (C) 2013 Jolla Oy
+#
+# Prepare functionfs for adbd
+
+[Unit]
+Description=functionfs setup for adbd
+Before=adbd.service
+PartOf=adbd.service
+
+[Service]
+Type=notify
+RemainAfterExit=yes
+ExecStart=/usr/sbin/adbd-functionfs.sh
+ExecStop=/bin/umount adb
+
+[Install]
+WantedBy=graphical.target