diff --git a/rootdir/etc/init/hw/init.mt6789.usb.rc b/rootdir/etc/init/hw/init.mt6789.usb.rc
index 8074644..80fcf6e 100644
--- a/rootdir/etc/init/hw/init.mt6789.usb.rc
+++ b/rootdir/etc/init/hw/init.mt6789.usb.rc
@@ -4,10 +4,11 @@ on early-init
 	# write /sys/class/udc/musb-hdrc/device/cmode 3
 
 on post-fs
+    setprop vendor.usb.vid "0x0E8D"
     mkdir /dev/usb-ffs 0775 shell shell
     mkdir /dev/usb-ffs/adb 0770 shell shell
     mkdir /config/usb_gadget/g1 0770 shell shell
-    write /config/usb_gadget/g1/idVendor 0x0E8D
+    write /config/usb_gadget/g1/idVendor ${vendor.usb.vid}
     write /config/usb_gadget/g1/bcdDevice 0x0223
     write /config/usb_gadget/g1/bcdUSB 0x0200
     write /config/usb_gadget/g1/os_desc/use 1
@@ -25,6 +26,10 @@ on post-fs
     mkdir /config/usb_gadget/g1/functions/ffs.ptp
     mkdir /config/usb_gadget/g1/functions/mtk_rndis.gs4
     mkdir /config/usb_gadget/g1/functions/midi.gs5
+    mkdir /config/usb_gadget/g1/functions/acm.gs0
+    mkdir /config/usb_gadget/g1/functions/acm.gs1
+    mkdir /config/usb_gadget/g1/functions/acm.gs2
+    mkdir /config/usb_gadget/g1/functions/acm.gs3
     mkdir /config/usb_gadget/g1/functions/mass_storage.usb0
     mkdir /config/usb_gadget/g1/functions/hid.gs0
     mkdir /config/usb_gadget/g1/configs/b.1 0770 shell shell
@@ -39,11 +44,20 @@ on post-fs
     mount functionfs mtp /dev/usb-ffs/mtp rmode=0770,fmode=0660,uid=1024,gid=1024,no_disconnect=1
     mount functionfs ptp /dev/usb-ffs/ptp rmode=0770,fmode=0660,uid=1024,gid=1024,no_disconnect=1
 
+on post-fs-data
+    mkdir /config/usb_gadget/g1/functions/via_modem.gs0
+    mkdir /config/usb_gadget/g1/functions/via_ets.gs0
+    mkdir /config/usb_gadget/g1/functions/via_atc.gs0
+
 on boot
     setprop sys.usb.configfs 1
     setprop sys.usb.controller "musb-hdrc"
     setprop vendor.usb.controller "musb-hdrc"
     setprop sys.usb.ffs.aio_compat 0
+    setprop vendor.usb.acm_cnt 0
+    setprop vendor.usb.acm_port0 ""
+    setprop vendor.usb.acm_port1 ""
+    setprop vendor.usb.acm_enable 0
     write /sys/class/android_usb/android0/f_mtp/cpu_mask 0x80
     write /sys/module/usb_f_mtp/parameters/mtp_rx_cont 1
     chmod 0664 /sys/class/android_usb/android0/iSerial
@@ -95,11 +109,15 @@ on charger
     mount functionfs adb /dev/usb-ffs/adb uid=2000,gid=2000
     setprop sys.usb.configfs 1
     setprop vendor.usb.controller "musb-hdrc"
+    setprop vendor.usb.acm_cnt 0
+    setprop vendor.usb.acm_port0 ""
+    setprop vendor.usb.acm_port1 ""
+    setprop vendor.usb.acm_enable 0
     setprop sys.usb.config hid
 
 ### more command at init.usb.configfs.rc ###
 on property:sys.usb.config=none && property:sys.usb.configfs=1
-    write /config/usb_gadget/g1/idVendor 0x0E8D
+    write /config/usb_gadget/g1/idVendor ${vendor.usb.vid}
     rm /config/usb_gadget/g1/configs/b.1/f1
     rm /config/usb_gadget/g1/configs/b.1/f2
     rm /config/usb_gadget/g1/configs/b.1/f3
@@ -118,28 +136,103 @@ on property:sys.usb.config=hid && property:sys.usb.configfs=1
     #write /config/usb_gadget/g1/functions/hid.gs0/report_desc \\x05\\x01\\x09\\x00\\xa1\\x01\\xc0
     symlink /config/usb_gadget/g1/functions/hid.gs0 /config/usb_gadget/g1/configs/b.1/f1
     write /config/usb_gadget/g1/UDC ${vendor.usb.controller}
+    setprop sys.usb.state ${sys.usb.config}
 
 ### main function : adb ###
 ### start adbd at init.usb.configfs.rc ###
-on property:sys.usb.ffs.ready=1 && property:sys.usb.config=adb && property:sys.usb.configfs=1
+on property:sys.usb.config=adb && property:vendor.usb.acm_cnt=0 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x201C
+on property:sys.usb.config=adb && property:vendor.usb.acm_cnt=1 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x2006
+    setprop vendor.usb.acm_port1 ""
+on property:sys.usb.config=adb && property:vendor.usb.acm_cnt=2 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x2029
+
+on property:sys.usb.ffs.ready=1 && property:sys.usb.config=adb && \
+property:vendor.usb.acm_enable=1 && property:sys.usb.configfs=1
+    write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "adb_acm"
+    write /config/usb_gadget/g1/idProduct ${vendor.usb.pid}
+    write /sys/devices/platform/soc/mt_usb/saving 1
+    symlink /config/usb_gadget/g1/functions/mass_storage.usb0 /config/usb_gadget/g1/configs/b.1/f1
+    symlink /config/usb_gadget/g1/functions/ffs.adb /config/usb_gadget/g1/configs/b.1/f2
+    symlink /config/usb_gadget/g1/functions/acm.gs${vendor.usb.acm_port0} /config/usb_gadget/g1/configs/b.1/f3
+    symlink /config/usb_gadget/g1/functions/acm.gs${vendor.usb.acm_port1} /config/usb_gadget/g1/configs/b.1/f4
+    write /config/usb_gadget/g1/UDC ${vendor.usb.controller}
+    setprop sys.usb.state ${sys.usb.config}
+
+on property:sys.usb.ffs.ready=1 && property:sys.usb.config=adb && \
+property:vendor.usb.acm_enable=0 && property:sys.usb.configfs=1
     write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "adb"
-    write /config/usb_gadget/g1/idProduct 0x201C
+    write /config/usb_gadget/g1/idProduct ${vendor.usb.pid}
     symlink /config/usb_gadget/g1/functions/ffs.adb /config/usb_gadget/g1/configs/b.1/f1
     write /config/usb_gadget/g1/UDC ${vendor.usb.controller}
+    setprop sys.usb.state ${sys.usb.config}
 
 ### main function : mtp ###
-on property:sys.usb.config=mtp && property:sys.usb.configfs=1
+on property:sys.usb.config=mtp && property:vendor.usb.acm_cnt=0 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x2008
+on property:sys.usb.config=mtp && property:vendor.usb.acm_cnt=1 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x2012
+    setprop vendor.usb.acm_port1 ""
+on property:sys.usb.config=mtp && property:vendor.usb.acm_cnt=2 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x202A
+
+on property:sys.usb.config=mtp && property:vendor.usb.acm_enable=1 && \
+property:sys.usb.configfs=1 && property:vendor.usb.ffs.mtp.ready=1
+    write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "mtp_acm"
+    write /config/usb_gadget/g1/idProduct ${vendor.usb.pid}
+    write /config/usb_gadget/g1/os_desc/use 1
+    write /sys/devices/platform/soc/mt_usb/saving 1
+    symlink /config/usb_gadget/g1/functions/ffs.mtp /config/usb_gadget/g1/configs/b.1/f1
+    symlink /config/usb_gadget/g1/functions/acm.gs${vendor.usb.acm_port0} /config/usb_gadget/g1/configs/b.1/f2
+    symlink /config/usb_gadget/g1/functions/acm.gs${vendor.usb.acm_port1} /config/usb_gadget/g1/configs/b.1/f3
+    write /config/usb_gadget/g1/UDC ${vendor.usb.controller}
+    setprop sys.usb.state ${sys.usb.config}
+
+on property:sys.usb.config=mtp && property:vendor.usb.acm_enable=0 && \
+property:sys.usb.configfs=1 && property:vendor.usb.ffs.mtp.ready=1
     write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "mtp"
-    write /config/usb_gadget/g1/idProduct 0x2008
+    write /config/usb_gadget/g1/idProduct ${vendor.usb.pid}
     write /config/usb_gadget/g1/os_desc/use 1
     symlink /config/usb_gadget/g1/functions/ffs.mtp /config/usb_gadget/g1/configs/b.1/f1
     write /config/usb_gadget/g1/UDC ${vendor.usb.controller}
     setprop sys.usb.state ${sys.usb.config}
 
 ### start adbd at init.usb.configfs.rc ###
-on property:sys.usb.ffs.ready=1 && property:sys.usb.config=ptp,adb && property:sys.usb.configfs=1
+on property:sys.usb.config=mtp,adb && property:vendor.usb.acm_cnt=0 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x201D
+on property:sys.usb.config=mtp,adb && property:vendor.usb.acm_cnt=1 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x200A
+    setprop vendor.usb.acm_port1 ""
+on property:sys.usb.config=mtp,adb && property:vendor.usb.acm_cnt=2 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x2026
+
+on property:sys.usb.ffs.ready=1 && property:sys.usb.config=mtp,adb && \
+property:vendor.usb.acm_enable=1 && property:sys.usb.configfs=1 && property:vendor.usb.ffs.mtp.ready=1
+    write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "mtp_adb_acm"
+    write /config/usb_gadget/g1/idProduct ${vendor.usb.pid}
+    write /config/usb_gadget/g1/os_desc/use 1
+    write /sys/devices/platform/soc/mt_usb/saving 1
+    symlink /config/usb_gadget/g1/functions/ffs.mtp /config/usb_gadget/g1/configs/b.1/f1
+    symlink /config/usb_gadget/g1/functions/ffs.adb /config/usb_gadget/g1/configs/b.1/f2
+    symlink /config/usb_gadget/g1/functions/acm.gs${vendor.usb.acm_port0} /config/usb_gadget/g1/configs/b.1/f3
+    symlink /config/usb_gadget/g1/functions/acm.gs${vendor.usb.acm_port1} /config/usb_gadget/g1/configs/b.1/f4
+    write /config/usb_gadget/g1/UDC ${vendor.usb.controller}
+    setprop sys.usb.state ${sys.usb.config}
+
+on property:sys.usb.ffs.ready=1 && property:sys.usb.config=mtp,adb && \
+property:vendor.usb.acm_enable=0 && property:sys.usb.configfs=1 && property:vendor.usb.ffs.mtp.ready=1
     write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "mtp_adb"
-    write /config/usb_gadget/g1/idProduct 0x201D
+    write /config/usb_gadget/g1/idProduct ${vendor.usb.pid}
     write /config/usb_gadget/g1/os_desc/use 1
     symlink /config/usb_gadget/g1/functions/ffs.mtp /config/usb_gadget/g1/configs/b.1/f1
     symlink /config/usb_gadget/g1/functions/ffs.adb /config/usb_gadget/g1/configs/b.1/f2
@@ -147,36 +240,131 @@ on property:sys.usb.ffs.ready=1 && property:sys.usb.config=ptp,adb && property:s
     setprop sys.usb.state ${sys.usb.config}
 
 ### main function : ptp ###
-on property:sys.usb.config=ptp && property:sys.usb.configfs=1
+on property:sys.usb.config=ptp && property:vendor.usb.acm_cnt=0 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x200B
+on property:sys.usb.config=ptp && property:vendor.usb.acm_cnt=1 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x2013
+    setprop vendor.usb.acm_port1 ""
+on property:sys.usb.config=ptp && property:vendor.usb.acm_cnt=2 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x202B
+
+on property:sys.usb.config=ptp && property:vendor.usb.acm_enable=1 && \
+property:sys.usb.configfs=1 && property:vendor.usb.ffs.ptp.ready=1
+    write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "ptp_acm"
+    write /config/usb_gadget/g1/idProduct ${vendor.usb.pid}
+    write /sys/devices/platform/soc/mt_usb/saving 1
+    symlink /config/usb_gadget/g1/functions/ffs.ptp /config/usb_gadget/g1/configs/b.1/f1
+    symlink /config/usb_gadget/g1/functions/acm.gs${vendor.usb.acm_port0} /config/usb_gadget/g1/configs/b.1/f2
+    symlink /config/usb_gadget/g1/functions/acm.gs${vendor.usb.acm_port1} /config/usb_gadget/g1/configs/b.1/f3
+    write /config/usb_gadget/g1/UDC ${vendor.usb.controller}
+    setprop sys.usb.state ${sys.usb.config}
+
+on property:sys.usb.config=ptp && property:vendor.usb.acm_enable=0 && \
+property:sys.usb.configfs=1 && property:vendor.usb.ffs.ptp.ready=1
     write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "ptp"
-    write /config/usb_gadget/g1/idProduct 0x200B
+    write /config/usb_gadget/g1/idProduct ${vendor.usb.pid}
     symlink /config/usb_gadget/g1/functions/ffs.ptp /config/usb_gadget/g1/configs/b.1/f1
     write /config/usb_gadget/g1/UDC ${vendor.usb.controller}
     setprop sys.usb.state ${sys.usb.config}
 
 ### start adbd at init.usb.configfs.rc ###
-on property:sys.usb.ffs.ready=1 && property:sys.usb.config=ptp,adb && property:sys.usb.configfs=1
+on property:sys.usb.config=ptp,adb && property:vendor.usb.acm_cnt=0 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x200C
+on property:sys.usb.config=ptp,adb && property:vendor.usb.acm_cnt=1 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x200D
+    setprop vendor.usb.acm_port1 ""
+on property:sys.usb.config=ptp,adb && property:vendor.usb.acm_cnt=2 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x2027
+
+on property:sys.usb.ffs.ready=1 && property:sys.usb.config=ptp,adb && \
+property:vendor.usb.acm_enable=1 && property:sys.usb.configfs=1 && property:vendor.usb.ffs.ptp.ready=1
+    write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "ptp_adb_acm"
+    write /config/usb_gadget/g1/idProduct ${vendor.usb.pid}
+    write /sys/devices/platform/soc/mt_usb/saving 1
+    symlink /config/usb_gadget/g1/functions/ffs.ptp /config/usb_gadget/g1/configs/b.1/f1
+    symlink /config/usb_gadget/g1/functions/ffs.adb /config/usb_gadget/g1/configs/b.1/f2
+    symlink /config/usb_gadget/g1/functions/acm.gs${vendor.usb.acm_port0} /config/usb_gadget/g1/configs/b.1/f3
+    symlink /config/usb_gadget/g1/functions/acm.gs${vendor.usb.acm_port1} /config/usb_gadget/g1/configs/b.1/f4
+    write /config/usb_gadget/g1/UDC ${vendor.usb.controller}
+    setprop sys.usb.state ${sys.usb.config}
+
+on property:sys.usb.ffs.ready=1 && property:sys.usb.config=ptp,adb && \
+property:vendor.usb.acm_enable=0 && property:sys.usb.configfs=1 && property:vendor.usb.ffs.ptp.ready=1
     write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "ptp_adb"
-    write /config/usb_gadget/g1/idProduct 0x200C
+    write /config/usb_gadget/g1/idProduct ${vendor.usb.pid}
     symlink /config/usb_gadget/g1/functions/ffs.ptp /config/usb_gadget/g1/configs/b.1/f1
     symlink /config/usb_gadget/g1/functions/ffs.adb /config/usb_gadget/g1/configs/b.1/f2
     write /config/usb_gadget/g1/UDC ${vendor.usb.controller}
     setprop sys.usb.state ${sys.usb.config}
 
 ### main function : rndis ###
-on property:sys.usb.config=rndis && property:sys.usb.configfs=1
+on property:sys.usb.config=rndis && property:vendor.usb.acm_cnt=0 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x2004
+on property:sys.usb.config=rndis && property:vendor.usb.acm_cnt=1 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x2011
+    setprop vendor.usb.acm_port1 ""
+on property:sys.usb.config=rndis && property:vendor.usb.acm_cnt=2 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x202C
+
+on property:sys.usb.config=rndis && property:vendor.usb.acm_enable=1 && \
+property:sys.usb.configfs=1
+    mkdir /config/usb_gadget/g1/functions/mtk_rndis.gs4
+    write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "ums_acm"
+    write /config/usb_gadget/g1/idProduct ${vendor.usb.pid}
+    write /sys/devices/platform/soc/mt_usb/saving 1
+    symlink /config/usb_gadget/g1/functions/mtk_rndis.gs4 /config/usb_gadget/g1/configs/b.1/f1
+    symlink /config/usb_gadget/g1/functions/acm.gs${vendor.usb.acm_port0} /config/usb_gadget/g1/configs/b.1/f2
+    symlink /config/usb_gadget/g1/functions/acm.gs${vendor.usb.acm_port1} /config/usb_gadget/g1/configs/b.1/f3
+    write /config/usb_gadget/g1/UDC ${vendor.usb.controller}
+    setprop sys.usb.state ${sys.usb.config}
+
+on property:sys.usb.config=rndis && property:vendor.usb.acm_enable=0 && \
+property:sys.usb.configfs=1
     mkdir /config/usb_gadget/g1/functions/mtk_rndis.gs4
     write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "rndis"
-    write /config/usb_gadget/g1/idProduct 0x2004
+    write /config/usb_gadget/g1/idProduct ${vendor.usb.pid}
     symlink /config/usb_gadget/g1/functions/mtk_rndis.gs4 /config/usb_gadget/g1/configs/b.1/f1
     write /config/usb_gadget/g1/UDC ${vendor.usb.controller}
     setprop sys.usb.state ${sys.usb.config}
 
-### start adbd at init.usb.configfs.rc ###
-on property:sys.usb.ffs.ready=1 && property:sys.usb.config=rndis,adb && property:sys.usb.configfs=1
+on property:sys.usb.config=rndis,adb && property:vendor.usb.acm_cnt=0 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x2005
+on property:sys.usb.config=rndis,adb && property:vendor.usb.acm_cnt=1 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x2010
+    setprop vendor.usb.acm_port1 ""
+on property:sys.usb.config=rndis,adb && property:vendor.usb.acm_cnt=2 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x2028
+
+on property:sys.usb.ffs.ready=1 && property:sys.usb.config=rndis,adb && \
+property:vendor.usb.acm_enable=1 && property:sys.usb.configfs=1
+    mkdir /config/usb_gadget/g1/functions/mtk_rndis.gs4
+    write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "rndis_adb_acm"
+    write /config/usb_gadget/g1/idProduct ${vendor.usb.pid}
+    write /sys/devices/platform/soc/mt_usb/saving 1
+    symlink /config/usb_gadget/g1/functions/mtk_rndis.gs4 /config/usb_gadget/g1/configs/b.1/f1
+    symlink /config/usb_gadget/g1/functions/ffs.adb /config/usb_gadget/g1/configs/b.1/f2
+    symlink /config/usb_gadget/g1/functions/acm.gs${vendor.usb.acm_port0} /config/usb_gadget/g1/configs/b.1/f3
+    symlink /config/usb_gadget/g1/functions/acm.gs${vendor.usb.acm_port1} /config/usb_gadget/g1/configs/b.1/f4
+    write /config/usb_gadget/g1/UDC ${vendor.usb.controller}
+    setprop sys.usb.state ${sys.usb.config}
+
+on property:sys.usb.ffs.ready=1 && property:sys.usb.config=rndis,adb && \
+property:vendor.usb.acm_enable=0 && property:sys.usb.configfs=1
     mkdir /config/usb_gadget/g1/functions/mtk_rndis.gs4
     write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "rndis_adb"
-    write /config/usb_gadget/g1/idProduct 0x2005
+    write /config/usb_gadget/g1/idProduct ${vendor.usb.pid}
     symlink /config/usb_gadget/g1/functions/mtk_rndis.gs4 /config/usb_gadget/g1/configs/b.1/f1
     symlink /config/usb_gadget/g1/functions/ffs.adb /config/usb_gadget/g1/configs/b.1/f2
     write /config/usb_gadget/g1/UDC ${vendor.usb.controller}
@@ -216,29 +404,544 @@ on property:sys.usb.config=accessory,audio_source,adb && property:sys.usb.config
     write /config/usb_gadget/g1/idVendor 0x18d1
     write /config/usb_gadget/g1/idProduct 0x2d05
 
+on property:sys.usb.config=via_bypass && property:vendor.usb.acm_cnt=0 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x2031
+on property:sys.usb.config=via_bypass && property:vendor.usb.acm_cnt=1 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x2033
+    setprop vendor.usb.acm_port1 ""
+
+##via_modem,via_ets,via_atc,acm
+on property:sys.usb.config=via_bypass && property:vendor.usb.acm_enable=1 && \
+property:sys.usb.configfs=1
+    write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "via_bypass"
+    write /config/usb_gadget/g1/idProduct ${vendor.usb.pid}
+    write /sys/devices/platform/soc/mt_usb/saving 1
+    symlink /config/usb_gadget/g1/functions/via_modem.gs0 /config/usb_gadget/g1/configs/b.1/f1
+    symlink /config/usb_gadget/g1/functions/via_ets.gs0 /config/usb_gadget/g1/configs/b.1/f2
+    symlink /config/usb_gadget/g1/functions/via_atc.gs0 /config/usb_gadget/g1/configs/b.1/f3
+    symlink /config/usb_gadget/g1/functions/acm.gs${vendor.usb.acm_port0} /config/usb_gadget/g1/configs/b.1/f4
+    write /config/usb_gadget/g1/UDC ${vendor.usb.controller}
+    setprop sys.usb.state ${sys.usb.config}
+
+##via_modem,via_ets,via_atc,adb
+on property:sys.usb.config=via_bypass && property:vendor.usb.acm_enable=0 && \
+property:sys.usb.configfs=1
+    write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "via_bypass"
+    write /config/usb_gadget/g1/idProduct ${vendor.usb.pid}
+    write /sys/devices/platform/soc/mt_usb/saving 1
+    symlink /config/usb_gadget/g1/functions/via_modem.gs0 /config/usb_gadget/g1/configs/b.1/f1
+    symlink /config/usb_gadget/g1/functions/via_ets.gs0 /config/usb_gadget/g1/configs/b.1/f2
+    symlink /config/usb_gadget/g1/functions/via_atc.gs0 /config/usb_gadget/g1/configs/b.1/f3
+    write /config/usb_gadget/g1/UDC ${vendor.usb.controller}
+    setprop sys.usb.state ${sys.usb.config}
+
+on property:sys.usb.config=via_bypass,adb && property:vendor.usb.acm_cnt=0 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x2032
+on property:sys.usb.config=via_bypass,adb && property:vendor.usb.acm_cnt=1 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x2034
+    setprop vendor.usb.acm_port1 ""
+on property:sys.usb.config=via_bypass,adb && property:vendor.usb.acm_cnt=2 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x2050
+
+on property:sys.usb.config=via_bypass,adb && property:sys.usb.configfs=1
+    start adbd
+
+##via_modem,via_ets,via_atc,adb,acm
+on property:sys.usb.ffs.ready=1 && property:sys.usb.config=via_bypass,adb && \
+property:vendor.usb.acm_enable=1 && property:vendor.usb.acm_cnt=1 && \
+property:sys.usb.configfs=1
+    write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "rndis_adb_acm"
+    write /config/usb_gadget/g1/idProduct ${vendor.usb.pid}
+    write /sys/devices/platform/soc/mt_usb/saving 1
+    symlink /config/usb_gadget/g1/functions/via_modem.gs0 /config/usb_gadget/g1/configs/b.1/f1
+    symlink /config/usb_gadget/g1/functions/via_ets.gs0 /config/usb_gadget/g1/configs/b.1/f2
+    symlink /config/usb_gadget/g1/functions/via_atc.gs0 /config/usb_gadget/g1/configs/b.1/f3
+    symlink /config/usb_gadget/g1/functions/ffs.adb /config/usb_gadget/g1/configs/b.1/f4
+    symlink /config/usb_gadget/g1/functions/acm.gs${vendor.usb.acm_port0} /config/usb_gadget/g1/configs/b.1/f5
+    write /config/usb_gadget/g1/UDC ${vendor.usb.controller}
+    setprop sys.usb.state ${sys.usb.config}
+
+##via_modem,acm,adb
+on property:sys.usb.ffs.ready=1 && property:sys.usb.config=via_bypass,adb && \
+property:vendor.usb.acm_enable=1 && property:vendor.usb.acm_cnt=2 && \
+property:sys.usb.configfs=1
+    write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "rndis_adb_acm2"
+    write /config/usb_gadget/g1/idProduct ${vendor.usb.pid}
+    write /sys/devices/platform/soc/mt_usb/saving 1
+    symlink /config/usb_gadget/g1/functions/via_modem.gs0 /config/usb_gadget/g1/configs/b.1/f1
+    symlink /config/usb_gadget/g1/functions/ffs.adb /config/usb_gadget/g1/configs/b.1/f2
+    symlink /config/usb_gadget/g1/functions/acm.gs${vendor.usb.acm_port0} /config/usb_gadget/g1/configs/b.1/f3
+    symlink /config/usb_gadget/g1/functions/acm.gs${vendor.usb.acm_port1} /config/usb_gadget/g1/configs/b.1/f4
+    write /config/usb_gadget/g1/UDC ${vendor.usb.controller}
+    setprop sys.usb.state ${sys.usb.config}
+
+##via_modem,via_ets,via_atc,adb
+on property:sys.usb.ffs.ready=1 && property:sys.usb.config=via_bypass,adb && \
+property:vendor.usb.acm_enable=0 && property:sys.usb.configfs=1
+    write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "rndis_adb"
+    write /config/usb_gadget/g1/idProduct ${vendor.usb.pid}
+    write /sys/devices/platform/soc/mt_usb/saving 1
+    symlink /config/usb_gadget/g1/functions/via_modem.gs0 /config/usb_gadget/g1/configs/b.1/f1
+    symlink /config/usb_gadget/g1/functions/via_ets.gs0 /config/usb_gadget/g1/configs/b.1/f2
+    symlink /config/usb_gadget/g1/functions/via_atc.gs0 /config/usb_gadget/g1/configs/b.1/f3
+    symlink /config/usb_gadget/g1/functions/ffs.adb /config/usb_gadget/g1/configs/b.1/f4
+    write /config/usb_gadget/g1/UDC ${vendor.usb.controller}
+    setprop sys.usb.state ${sys.usb.config}
+
 ### main function : mass_storage ###
-on property:sys.usb.config=mass_storage && property:sys.usb.configfs=1
+on property:sys.usb.config=mass_storage && property:vendor.usb.acm_cnt=0 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x2002
+on property:sys.usb.config=mass_storage && property:vendor.usb.acm_cnt=1 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x200F
+    setprop vendor.usb.acm_port1 ""
+on property:sys.usb.config=mass_storage && property:vendor.usb.acm_cnt=2 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x202D
+
+on property:sys.usb.config=mass_storage && property:vendor.usb.acm_enable=1 && \
+property:sys.usb.configfs=1
+    write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "ums_acm"
+    write /config/usb_gadget/g1/idProduct ${vendor.usb.pid}
+    write /sys/devices/platform/soc/mt_usb/saving 1
+    symlink /config/usb_gadget/g1/functions/mass_storage.usb0 /config/usb_gadget/g1/configs/b.1/f1
+    symlink /config/usb_gadget/g1/functions/acm.gs${vendor.usb.acm_port0} /config/usb_gadget/g1/configs/b.1/f2
+    symlink /config/usb_gadget/g1/functions/acm.gs${vendor.usb.acm_port1} /config/usb_gadget/g1/configs/b.1/f3
+    write /config/usb_gadget/g1/UDC ${vendor.usb.controller}
+    setprop sys.usb.state ${sys.usb.config}
+
+on property:sys.usb.config=mass_storage && property:vendor.usb.acm_enable=0 && \
+property:sys.usb.configfs=1
     write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "ums"
-    write /config/usb_gadget/g1/idProduct 0x2002
+    write /config/usb_gadget/g1/idProduct ${vendor.usb.pid}
     symlink /config/usb_gadget/g1/functions/mass_storage.usb0 /config/usb_gadget/g1/configs/b.1/f1
     write /config/usb_gadget/g1/UDC ${vendor.usb.controller}
     setprop sys.usb.state ${sys.usb.config}
 
+on property:sys.usb.config=mass_storage,adb && property:vendor.usb.acm_cnt=0 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x2003
+on property:sys.usb.config=mass_storage,adb && property:vendor.usb.acm_cnt=1 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x2006
+    setprop vendor.usb.acm_port1 ""
+on property:sys.usb.config=mass_storage,adb && property:vendor.usb.acm_cnt=2 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x2029
+
 on property:sys.usb.config=mass_storage,adb && property:sys.usb.configfs=1
     start adbd
 
-on property:sys.usb.ffs.ready=1 && property:sys.usb.config=mass_storage,adb && property:sys.usb.configfs=1
+on property:sys.usb.ffs.ready=1 && property:sys.usb.config=mass_storage,adb && \
+property:vendor.usb.acm_enable=1 && property:sys.usb.configfs=1
+    write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "ums_adb_acm"
+    write /config/usb_gadget/g1/idProduct ${vendor.usb.pid}
+    write /sys/devices/platform/soc/mt_usb/saving 1
+    symlink /config/usb_gadget/g1/functions/mass_storage.usb0 /config/usb_gadget/g1/configs/b.1/f1
+    symlink /config/usb_gadget/g1/functions/ffs.adb /config/usb_gadget/g1/configs/b.1/f2
+    symlink /config/usb_gadget/g1/functions/acm.gs${vendor.usb.acm_port0} /config/usb_gadget/g1/configs/b.1/f3
+    symlink /config/usb_gadget/g1/functions/acm.gs${vendor.usb.acm_port1} /config/usb_gadget/g1/configs/b.1/f4
+    write /config/usb_gadget/g1/UDC ${vendor.usb.controller}
+    setprop sys.usb.state ${sys.usb.config}
+
+on property:sys.usb.ffs.ready=1 && property:sys.usb.config=mass_storage,adb && \
+property:vendor.usb.acm_enable=0 && property:sys.usb.configfs=1
     write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "ums_adb"
-    write /config/usb_gadget/g1/idProduct 0x2003
+    write /config/usb_gadget/g1/idProduct ${vendor.usb.pid}
     symlink /config/usb_gadget/g1/functions/mass_storage.usb0 /config/usb_gadget/g1/configs/b.1/f1
     symlink /config/usb_gadget/g1/functions/ffs.adb /config/usb_gadget/g1/configs/b.1/f2
     write /config/usb_gadget/g1/UDC ${vendor.usb.controller}
     setprop sys.usb.state ${sys.usb.config}
 
+### main function : bicr ###
+on property:sys.usb.config=bicr && property:vendor.usb.acm_cnt=0 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x2002
+on property:sys.usb.config=bicr && property:vendor.usb.acm_cnt=1 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x200F
+    setprop vendor.usb.acm_port1 ""
+on property:sys.usb.config=bicr && property:vendor.usb.acm_cnt=2 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x202D
+
+on property:sys.usb.config=bicr && property:vendor.usb.acm_enable=1 && \
+property:sys.usb.configfs=1
+    write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "ums_acm"
+    write /config/usb_gadget/g1/idProduct ${vendor.usb.pid}
+    write /sys/devices/platform/soc/mt_usb/saving 1
+    write /config/usb_gadget/g1/functions/mass_storage.usb0/lun.0/cdrom 1
+    write /config/usb_gadget/g1/functions/mass_storage.usb0/lun.0/file "/dev/block/loop0"
+    symlink /config/usb_gadget/g1/functions/mass_storage.usb0 /config/usb_gadget/g1/configs/b.1/f1
+    symlink /config/usb_gadget/g1/functions/acm.gs${vendor.usb.acm_port0} /config/usb_gadget/g1/configs/b.1/f2
+    symlink /config/usb_gadget/g1/functions/acm.gs${vendor.usb.acm_port1} /config/usb_gadget/g1/configs/b.1/f3
+    write /config/usb_gadget/g1/UDC ${vendor.usb.controller}
+    setprop sys.usb.state ${sys.usb.config}
+
+on property:sys.usb.config=bicr && property:vendor.usb.acm_enable=0 && \
+property:sys.usb.configfs=1
+    write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "ums"
+    write /config/usb_gadget/g1/idProduct ${vendor.usb.pid}
+    write /config/usb_gadget/g1/functions/mass_storage.usb0/lun.0/cdrom 1
+    write /config/usb_gadget/g1/functions/mass_storage.usb0/lun.0/file "/dev/block/loop0"
+    symlink /config/usb_gadget/g1/functions/mass_storage.usb0 /config/usb_gadget/g1/configs/b.1/f1
+    write /config/usb_gadget/g1/UDC ${vendor.usb.controller}
+    setprop sys.usb.state ${sys.usb.config}
+
+on property:sys.usb.config=bicr,adb && property:vendor.usb.acm_cnt=0 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x2003
+on property:sys.usb.config=bicr,adb && property:vendor.usb.acm_cnt=1 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x2006
+    setprop vendor.usb.acm_port1 ""
+on property:sys.usb.config=bicr,adb && property:vendor.usb.acm_cnt=2 && \
+property:sys.usb.configfs=1
+    setprop vendor.usb.pid 0x2029
+
+on property:sys.usb.config=bicr,adb && property:sys.usb.configfs=1
+    start adbd
+
+on property:sys.usb.ffs.ready=1 && property:sys.usb.config=bicr,adb && \
+property:vendor.usb.acm_enable=1 && property:sys.usb.configfs=1
+    write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "ums_adb_acm"
+    write /config/usb_gadget/g1/idProduct ${vendor.usb.pid}
+    write /sys/devices/platform/soc/mt_usb/saving 1
+    write /config/usb_gadget/g1/functions/mass_storage.usb0/lun.0/cdrom 1
+    write /config/usb_gadget/g1/functions/mass_storage.usb0/lun.0/file "/dev/block/loop0"
+    symlink /config/usb_gadget/g1/functions/mass_storage.usb0 /config/usb_gadget/g1/configs/b.1/f1
+    symlink /config/usb_gadget/g1/functions/ffs.adb /config/usb_gadget/g1/configs/b.1/f2
+    symlink /config/usb_gadget/g1/functions/acm.gs${vendor.usb.acm_port0} /config/usb_gadget/g1/configs/b.1/f3
+    symlink /config/usb_gadget/g1/functions/acm.gs${vendor.usb.acm_port1} /config/usb_gadget/g1/configs/b.1/f4
+    write /config/usb_gadget/g1/UDC ${vendor.usb.controller}
+    setprop sys.usb.state ${sys.usb.config}
+
+on property:sys.usb.ffs.ready=1 && property:sys.usb.config=bicr,adb && \
+property:vendor.usb.acm_enable=0 && property:sys.usb.configfs=1
+    write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "ums_adb"
+    write /config/usb_gadget/g1/idProduct ${vendor.usb.pid}
+    write /config/usb_gadget/g1/functions/mass_storage.usb0/lun.0/cdrom 1
+    write /config/usb_gadget/g1/functions/mass_storage.usb0/lun.0/file "/dev/block/loop0"
+    symlink /config/usb_gadget/g1/functions/mass_storage.usb0 /config/usb_gadget/g1/configs/b.1/f1
+    symlink /config/usb_gadget/g1/functions/ffs.adb /config/usb_gadget/g1/configs/b.1/f2
+    write /config/usb_gadget/g1/UDC ${vendor.usb.controller}
+    setprop sys.usb.state ${sys.usb.config}
+
+### ACM APPEND SERIES ###
+on property:persist.vendor.radio.port_index="0" && property:sys.boot_completed=1
+    setprop vendor.usb.acm_idx ""
+    setprop vendor.usb.acm_cnt 0
+    setprop vendor.usb.acm_enable 0
+    setprop sys.usb.config none
+    setprop sys.usb.config ${sys.usb.state}
+
+on property:persist.vendor.radio.port_index="1" && property:sys.boot_completed=1
+    setprop sys.usb.config acm_gs0
+on property:sys.usb.config=mass_storage,adb,acm
+    setprop sys.usb.config acm_gs0
+on property:sys.usb.config=acm_gs0
+    setprop vendor.usb.acm_port0 0
+    setprop vendor.usb.acm_port1 ""
+    setprop vendor.usb.acm_cnt 1
+    setprop vendor.usb.acm_enable 1
+    setprop sys.usb.config none
+    setprop sys.usb.config ${sys.usb.state}
+    setprop vendor.usb.acm_idx "1"
+
+on property:persist.vendor.radio.port_index="2" && property:sys.boot_completed=1
+    setprop sys.usb.config acm_gs1
+on property:sys.usb.config=acm_gs1
+    setprop vendor.usb.acm_port0 1
+    setprop vendor.usb.acm_port1 ""
+    setprop vendor.usb.acm_cnt 1
+    setprop vendor.usb.acm_enable 1
+    setprop sys.usb.config none
+    setprop sys.usb.config ${sys.usb.state}
+    setprop vendor.usb.acm_idx "2"
+
+on property:persist.vendor.radio.port_index="3" && property:sys.boot_completed=1
+    setprop sys.usb.config acm_gs2
+on property:sys.usb.config=acm_third
+    setprop sys.usb.config acm_gs2
+on property:sys.usb.config=acm_gs2
+    setprop vendor.usb.acm_port0 2
+    setprop vendor.usb.acm_port1 ""
+    setprop vendor.usb.acm_cnt 1
+    setprop vendor.usb.acm_enable 1
+    setprop sys.usb.config none
+    setprop sys.usb.config ${sys.usb.state}
+    setprop vendor.usb.acm_idx "3"
+
+on property:persist.vendor.radio.port_index="4" && property:sys.boot_completed=1
+    setprop sys.usb.config acm_gs3
+on property:sys.usb.config=gs3
+    setprop sys.usb.config acm_gs3
+on property:sys.usb.config=mtp,gs3
+    setprop sys.usb.config acm_gs3
+on property:sys.usb.config=acm_gs3
+    setprop vendor.usb.acm_port0 3
+    setprop vendor.usb.acm_port1 ""
+    setprop vendor.usb.acm_cnt 1
+    setprop vendor.usb.acm_enable 1
+    setprop sys.usb.config none
+    setprop sys.usb.config ${sys.usb.state}
+    setprop vendor.usb.acm_idx "4"
+
+on property:sys.usb.config=mtp,gs0gs1
+    setprop sys.usb.config acm_gs0gs1
+on property:sys.usb.config=gs0gs1
+    setprop sys.usb.config acm_gs0gs1
+on property:sys.usb.config=rndis,gs0gs1
+    setprop sys.usb.config acm_gs0gs1
+on property:sys.usb.config=rndis,adb,gs0gs1
+    setprop sys.usb.config acm_gs0gs1
+on property:sys.usb.config=acm_gs0gs1
+    setprop vendor.usb.acm_port0 0
+    setprop vendor.usb.acm_port1 1
+    setprop vendor.usb.acm_cnt 2
+    setprop vendor.usb.acm_enable 1
+    setprop sys.usb.config none
+    setprop sys.usb.config ${sys.usb.state}
+    setprop vendor.usb.acm_idx "1,2"
+
+on property:sys.usb.config=gs3,dual_acm
+    setprop sys.usb.config acm_gs0gs3
+on property:sys.usb.config=mtp,gs3,dual_acm
+    setprop sys.usb.config acm_gs0gs3
+on property:sys.usb.config=mtp,gs0gs3
+    setprop sys.usb.config acm_gs0gs3
+on property:sys.usb.config=gs0gs3
+    setprop sys.usb.config acm_gs0gs3
+on property:sys.usb.config=rndis,gs0gs3
+    setprop sys.usb.config acm_gs0gs3
+on property:sys.usb.config=rndis,adb,gs0gs3
+    setprop sys.usb.config acm_gs0gs3
+on property:sys.usb.config=acm_gs0gs3
+    setprop vendor.usb.acm_port0 0
+    setprop vendor.usb.acm_port1 3
+    setprop vendor.usb.acm_cnt 2
+    setprop vendor.usb.acm_enable 1
+    setprop sys.usb.config none
+    setprop sys.usb.config ${sys.usb.state}
+    setprop vendor.usb.acm_idx "1,4"
+
+on property:sys.usb.config=gs1gs3
+    setprop sys.usb.config acm_gs1gs3
+on property:sys.usb.config=mtp,gs1gs3
+    setprop sys.usb.config acm_gs1gs3
+on property:sys.usb.config=via_bypass,gs1gs3
+    setprop sys.usb.config acm_gs1gs3
+on property:sys.usb.config=rndis,gs1gs3
+    setprop sys.usb.config acm_gs1gs3
+on property:sys.usb.config=acm_gs1gs3
+    setprop vendor.usb.acm_port0 1
+    setprop vendor.usb.acm_port1 3
+    setprop vendor.usb.acm_cnt 2
+    setprop vendor.usb.acm_enable 1
+    setprop sys.usb.config none
+    setprop sys.usb.config ${sys.usb.state}
+    setprop vendor.usb.acm_idx "2,4"
+
+# For ATM (Android Test Mode)
+on property:vendor.usb.clear=1 && property:sys.usb.configfs=1
+    write /config/usb_gadget/g1/UDC "none"
+    write /config/usb_gadget/g1/bDeviceClass 0
+    write /config/usb_gadget/g1/bDeviceSubClass 0
+    write /config/usb_gadget/g1/bDeviceProtocol 0
+    rm /config/usb_gadget/g1/configs/b.1/f1
+    rm /config/usb_gadget/g1/configs/b.1/f2
+    rm /config/usb_gadget/g1/configs/b.1/f3
+    rm /config/usb_gadget/g1/configs/b.1/f4
+    rm /config/usb_gadget/g1/configs/b.1/f5
+    rmdir /config/usb_gadget/g1/functions/mtk_rndis.gs4
+    write /sys/devices/platform/soc/mt_usb/saving 0
+    setprop vendor.usb.clear 2
+
+# has permission issue when read from ${sys.usb.ffs.ready}
+on property:sys.usb.ffs.ready=0
+   setprop vendor.usb.ffs.ready 0
+on property:sys.usb.ffs.ready=1
+   setprop vendor.usb.ffs.ready 1
+
+on property:sys.usb.config=atm_gs0 && property:sys.usb.configfs=1
+    stop adbd
+    setprop vendor.usb.ffs.ready 0
+    setprop vendor.usb.clear 1
+
+on property:vendor.usb.ffs.ready=0 && property:sys.usb.config=atm_gs0 && \
+property:vendor.usb.clear=2 && property:sys.usb.configfs=1
+    start adbd
+
+on property:vendor.usb.ffs.ready=1 && property:sys.usb.config=atm_gs0 && \
+property:vendor.usb.clear=2 && property:sys.usb.configfs=1
+    setprop vendor.usb.acm_port0 0
+    setprop vendor.usb.acm_port1 ""
+    setprop vendor.usb.acm_cnt 1
+    setprop vendor.usb.acm_enable 1
+    write /sys/devices/platform/soc/mt_usb/saving 1
+    write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "atm_gs0"
+    write /config/usb_gadget/g1/idProduct 0x200A
+    symlink /config/usb_gadget/g1/functions/ffs.mtp /config/usb_gadget/g1/configs/b.1/f1
+    symlink /config/usb_gadget/g1/functions/ffs.adb /config/usb_gadget/g1/configs/b.1/f2
+    symlink /config/usb_gadget/g1/functions/acm.gs0 /config/usb_gadget/g1/configs/b.1/f3
+    write /config/usb_gadget/g1/UDC ${vendor.usb.controller}
+    #setprop sys.usb.state ${sys.usb.config}
+    setprop vendor.usb.pid 0x200A
+    #setprop vendor.usb.clear 0
+    setprop vendor.usb.acm_idx "1"
+
+on property:sys.usb.config=atm_gs0gs3 && property:sys.usb.configfs=1
+    stop adbd
+    setprop vendor.usb.ffs.ready 0
+    setprop vendor.usb.clear 1
+
+on property:vendor.usb.ffs.ready=0 && property:sys.usb.config=atm_gs0gs3 && \
+property:vendor.usb.clear=2 && property:sys.usb.configfs=1
+    start adbd
+
+on property:vendor.usb.ffs.ready=1 && property:sys.usb.config=atm_gs0gs3 && \
+property:vendor.usb.clear=2 && property:sys.usb.configfs=1
+    setprop vendor.usb.acm_port0 0
+    setprop vendor.usb.acm_port1 3
+    setprop vendor.usb.acm_cnt 2
+    setprop vendor.usb.acm_enable 1
+    write /sys/devices/platform/soc/mt_usb/saving 1
+    write /config/usb_gadget/g1/idProduct 0x2026
+    symlink /config/usb_gadget/g1/functions/ffs.mtp /config/usb_gadget/g1/configs/b.1/f1
+    symlink /config/usb_gadget/g1/functions/ffs.adb /config/usb_gadget/g1/configs/b.1/f2
+    symlink /config/usb_gadget/g1/functions/acm.gs0 /config/usb_gadget/g1/configs/b.1/f3
+    symlink /config/usb_gadget/g1/functions/acm.gs3 /config/usb_gadget/g1/configs/b.1/f4
+    write /config/usb_gadget/g1/UDC ${vendor.usb.controller}
+    #setprop sys.usb.state ${sys.usb.config}
+    setprop vendor.usb.pid 0x2026
+    #setprop vendor.usb.clear 0
+    setprop vendor.usb.acm_idx "1,4"
+
+### CHARGING ###
+on property:sys.usb.config=cdp && property:sys.usb.configfs=1
+    write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "mtp"
+    write /config/usb_gadget/g1/idProduct 0x2008
+    write /config/usb_gadget/g1/os_desc/use 1
+    symlink /config/usb_gadget/g1/functions/ffs.mtp /config/usb_gadget/g1/configs/b.1/f1
+    write /config/usb_gadget/g1/UDC ${vendor.usb.controller}
+    setprop sys.usb.state ${sys.usb.config}
+    setprop vendor.usb.pid 0x2008
+
+on property:sys.usb.config=charging_yes
+    setprop vendor.usb.charging yes
+    setprop sys.usb.config none
+    setprop sys.usb.config ${sys.usb.state}
+
+on property:sys.usb.config=charging_no
+    setprop sys.usb.config none
+    setprop sys.usb.config ${sys.usb.state}
+    setprop vendor.usb.charging no
+
+on property:vendor.usb.charging=yes
+    write /sys/class/udc/musb-hdrc/device/cmode 0
+on property:vendor.usb.charging=no
+    write /sys/class/udc/musb-hdrc/device/cmode 1
+
+on property:vendor.usb.bicr=yes
+    write /sys/class/android_usb/android0/f_mass_storage/bicr 1
+    write /sys/class/android_usb/android0/f_mass_storage/lun/file "/dev/block/loop0"
+on property:vendor.usb.bicr=no
+    write /sys/class/android_usb/android0/f_mass_storage/bicr 0
+    write /sys/class/android_usb/android0/f_mass_storage/lun/file "off"
+
 on property:vendor.usb.port.mode=usb
 	write /sys/devices/platform/soc/mt_usb/portmode 0
 on property:vendor.usb.port.mode=uart
 	write /sys/devices/platform/soc/mt_usb/portmode 1
+on property:vendor.em.usb.set=term_sel
+    write /proc/mtk_usb/usb-phy0/u2_phy/term_sel ${vendor.em.usb.value}
+on property:vendor.em.usb.set=vrt_sel
+    write /proc/mtk_usb/usb-phy0/u2_phy/vrt_sel ${vendor.em.usb.value}
+on property:vendor.em.usb.set=phy_rev6
+    write /proc/mtk_usb/usb-phy0/u2_phy/phy_rev6 ${vendor.em.usb.value}
+on property:vendor.em.usb.set=discth
+    write /proc/mtk_usb/usb-phy0/u2_phy/discth ${vendor.em.usb.value}
+
+on property:vendor.em.usb.bypass.enable=0
+	write /sys/class/usb_rawbulk/gps/enable 1
+on property:vendor.em.usb.bypass.enable=1
+	write /sys/class/usb_rawbulk/pcv/enable 1
+on property:vendor.em.usb.bypass.enable=2
+	write /sys/class/usb_rawbulk/atc/enable 1
+on property:vendor.em.usb.bypass.enable=3
+	write /sys/class/usb_rawbulk/ets/enable 1
+on property:vendor.em.usb.bypass.enable=4
+	write /sys/class/usb_rawbulk/data/enable 1
+on property:vendor.em.usb.bypass.disable=0
+	write /sys/class/usb_rawbulk/gps/enable 0
+on property:vendor.em.usb.bypass.disable=1
+	write /sys/class/usb_rawbulk/pcv/enable 0
+on property:vendor.em.usb.bypass.disable=2
+	write /sys/class/usb_rawbulk/atc/enable 0
+on property:vendor.em.usb.bypass.disable=3
+	write /sys/class/usb_rawbulk/ets/enable 0
+on property:vendor.em.usb.bypass.disable=4
+	write /sys/class/usb_rawbulk/data/enable 0
+
+### vendor process start ###
+on property:vendor.usb.config=*
+    setprop sys.usb.config ${vendor.usb.config}
+### vendor process end ###
+
+### test command start ###
+on property:vendor.usb.test=*
+    setprop sys.usb.config none
+    setprop sys.usb.config ${vendor.usb.test}
+### test command end ###
+
+on property:vendor.usb.printk=*
+	write /proc/sys/kernel/printk ${vendor.usb.printk}
+
+on property:persist.vendor.usb.printk=*
+	setprop vendor.usb.printk ${persist.vendor.usb.printk}
+
+on property:vendor.usb.speed.mode=u3
+	write /sys/class/udc/${vendor.usb.controller}/device/max_speed super-speed
+	write /sys/class/udc/${vendor.usb.controller}/device/mode 0
+	write /sys/class/udc/${vendor.usb.controller}/device/mode 1
+
+on property:vendor.usb.speed.mode=u2
+	write /sys/class/udc/${vendor.usb.controller}/device/max_speed high-speed
+	write /sys/class/udc/${vendor.usb.controller}/device/mode 0
+	write /sys/class/udc/${vendor.usb.controller}/device/mode 1
+
+on property:persist.vendor.usb.speed.mode=u3
+	write /sys/class/udc/${vendor.usb.controller}/device/max_speed super-speed
+	write /sys/class/udc/${vendor.usb.controller}/device/mode 0
+	write /sys/class/udc/${vendor.usb.controller}/device/mode 1
+
+on property:persist.vendor.usb.speed.mode=u2
+	write /sys/class/udc/${vendor.usb.controller}/device/max_speed high-speed
+	write /sys/class/udc/${vendor.usb.controller}/device/mode 0
+	write /sys/class/udc/${vendor.usb.controller}/device/mode 1
+
+on property:vendor.usb.sib_enable=1
+	write /proc/mtk_usb/usb-phy0/u3_phy/sib 1
+
+on property:vendor.usb.sib_enable=0
+	write /proc/mtk_usb/usb-phy0/u3_phy/sib 0
+
+on property:vendor.usb.testmode=0
+	write /proc/mtk_usb/xhci0/testmode "0"
+on property:vendor.usb.testmode=1
+	write /proc/mtk_usb/xhci0/testmode "test SE0 NAK"
+on property:vendor.usb.testmode=2
+	write /proc/mtk_usb/xhci0/testmode "test J"
+on property:vendor.usb.testmode=3
+	write /proc/mtk_usb/xhci0/testmode "test K"
+on property:vendor.usb.testmode=4
+	write /proc/mtk_usb/xhci0/testmode "test packet"
 
 on property:vendor.usb.device.wakeup=*
 	write ${vendor.usb.device.wakeup} "enabled"