Fix MTP

FP2.mk

@@ -27,6 +27,11 @@ PRODUCT_COPY_FILES += \
     $(LOCAL_PATH)/media/media_codecs_performance.xml:system/etc/media_codecs_performance.xml \
     $(LOCAL_PATH)/media/media_profiles_8974.xml:system/etc/media_profiles.xml
 
+# Ubuntu Touch: USB port handling
+PRODUCT_COPY_FILES += \
+    $(LOCAL_PATH)/setupusb:system/bin/setupusb \
+    $(LOCAL_PATH)/mtp-state.conf:system/halium/etc/init/mtp-state.conf
+
 # IPC router
 PRODUCT_COPY_FILES += \
     $(LOCAL_PATH)/configs/sec_config:system/etc/sec_config

halium-overlay/lib/udev/rules.d/70-android.rules

@@ -193,7 +193,7 @@ ACTION=="add", KERNEL=="qmi0", OWNER="radio", GROUP="radio", MODE="0640"
 ACTION=="add", KERNEL=="qmi1", OWNER="radio", GROUP="radio", MODE="0640"
 ACTION=="add", KERNEL=="qmi2", OWNER="radio", GROUP="radio", MODE="0640"
 ACTION=="add", KERNEL=="bus/usb/*", OWNER="root", GROUP="usb", MODE="0660"
-ACTION=="add", KERNEL=="mtp_usb", OWNER="root", GROUP="mtp", MODE="0660"
+ACTION=="add", KERNEL=="mtp_usb", OWNER="root", GROUP="plugdev", MODE="0660"
 ACTION=="add", KERNEL=="usb_accessory", OWNER="root", GROUP="usb", MODE="0660"
 ACTION=="add", KERNEL=="tun", OWNER="system", GROUP="vpn", MODE="0660"
 ACTION=="add", KERNEL=="ts0710mux*", OWNER="radio", GROUP="radio", MODE="0640"

mtp-state.conf

@@ -0,0 +1,21 @@
+start on (android-container persist.sys.usb.config=* or android) and started lightdm
+
+task
+
+script
+ VAL=$(getprop persist.sys.usb.config)
+ case ${VAL} in
+   mtp)
+     /bin/bash /system/bin/setupusb mtp
+     echo "mtp"
+     ;;
+   mtp,adb)
+     /bin/bash /system/bin/setupusb mtp_adb
+     echo "mtp,adb"
+     ;;
+   *)
+     echo "off"
+    ;;
+ esac
+end script
+

setupusb

@@ -0,0 +1,97 @@
+SERIALNUMBER=`getprop ro.serialno`
+MANUFACTURER=`getprop ro.product.manufacturer`
+PRODUCT=`getprop ro.product.model`
+PRODUCT_ID_SUFFIX=`getprop ro.usb.pid_suffix`
+CONTROLLER=`getprop sys.usb.controller`
+ANDROID_USB=/sys/class/android_usb/android0
+
+write() {
+    if [ ! -e "$1" ]; then
+        return
+    fi
+	echo -n "$2" >"$1"
+}
+
+symlink() {
+    ln -s "$1" "$2"
+}
+
+setup_mtp() {
+    write $ANDROID_USB/enable 0
+    write $ANDROID_USB/android0/iSerial $SERIALNUMBER
+    write $ANDROID_USB/idVendor 05C6
+    write $ANDROID_USB/idProduct F003
+    write $ANDROID_USB/functions mtp
+    write $ANDROID_USB/enable 1
+    setprop sys.usb.state mtp
+}
+
+setup_adb() {
+    setprop sys.usb.config adb
+}
+
+setup_mtp_adb() {
+    write $ANDROID_USB/enable        0
+    write $ANDROID_USB/functions     ""
+    write $ANDROID_USB/enable        1
+    sleep 10 # 0.5 delay to attempt to remove rndis function
+    write $ANDROID_USB/enable        0
+    write $ANDROID_USB/idVendor      1004
+    write $ANDROID_USB/idProduct     62CE
+    write $ANDROID_USB/iManufacturer "Mer Boat Loader"
+    write $ANDROID_USB/iProduct      "$PRODUCT"
+    write $ANDROID_USB/iSerial       "$SERIALNUMBER"
+    write $ANDROID_USB/functions     mtp,adb:mtp,acm,diag,adb
+    write $ANDROID_USB/enable        1
+    # setprop sys.usb.state mtp,adb
+}
+
+setup_rndis() {
+    write $ANDROID_USB/enable        0
+    write $ANDROID_USB/functions     ""
+    write $ANDROID_USB/enable        1
+    sleep 10 # 0.5 delay to attempt to remove rndis function
+    write $ANDROID_USB/enable        0
+    write $ANDROID_USB/idVendor      1004
+    write $ANDROID_USB/idProduct     62CE
+    write $ANDROID_USB/iManufacturer "Mer Boat Loader"
+    write $ANDROID_USB/iProduct      "$PRODUCT"
+    write $ANDROID_USB/iSerial       "$SERIALNUMBER"
+    write $ANDROID_USB/functions     rndis
+    write $ANDROID_USB/enable        1
+    # setprop sys.usb.state rndis
+}
+
+reset_usb() {
+    write $ANDROID_USB/enable        0
+    write $ANDROID_USB/functions     ""
+    write $ANDROID_USB/enable        1
+}
+
+setup_boot() {
+    if [ -e /dev/.usb_setup_done ]; then
+        echo "Boot setup done"
+        return
+    fi
+
+    touch /dev/.usb_setup_done
+}
+
+setup_boot
+
+if [ "$1" == "rndis" ]; then
+    setup_rndis
+elif [ "$1" == "mtp" ]; then
+    setup_mtp
+elif [ "$1" == "adb" ]; then
+    setup_adb
+elif [ "$1" == "mtp_adb" ]; then
+    setup_mtp_adb
+elif [ "$1" == "reset" ]; then
+    reset_usb
+else
+    echo "No configuration selected."
+fi
+
+exit 0
+