ramdisk/init.mt8127usb.rc

   1 on init
   2 # Workarunod for USB unknow device issue
   3 # USB would switch correct function when set properity sys.usb.config
   4 # update usb vid 0E8D to 1BBB by SCDTABLET.(lilin.liu@jrdcom.com), PR1005181 05/18/2015
   5     setprop sys.usb.vid 1BBB
   6     write /sys/class/android_usb/android0/iSerial $ro.serialno
   7     write /sys/class/android_usb/android0/idVendor $sys.usb.vid
   8
   9 on post-fs-data
  10     chown system system /sys/class/android_usb/android0/f_mass_storage/lun/file
  11     chmod 0660 /sys/class/android_usb/android0/f_mass_storage/lun/file
  12     chown system system /sys/class/android_usb/android0/f_rndis/ethaddr
  13     chmod 0660 /sys/class/android_usb/android0/f_rndis/ethaddr
  14
  15     write /sys/class/android_usb/android0/f_rndis/wceis 1
  16     write /sys/class/android_usb/android0/f_rndis/manufacturer MediaTek
  17     write /sys/class/android_usb/android0/f_rndis/vendorID $sys.usb.vid
  18
  19 # Used to set USB configuration at boot and to switch the configuration
  20 # when changing the default configuration
  21 on property:persist.sys.usb.config=*
  22     setprop sys.usb.config $persist.sys.usb.config
  23
  24 # Used to disable USB when switching states
  25 on property:sys.usb.config=none
  26     stop adbd
  27     write /sys/class/android_usb/android0/enable 0
  28     write /sys/class/android_usb/android0/bDeviceClass 0
  29     setprop sys.usb.state $sys.usb.config
  30
  31 #1.acm
  32 on property:sys.usb.config=acm
  33     write /sys/class/android_usb/android0/enable 0
  34     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
  35     write /sys/class/android_usb/android0/idProduct 2007
  36     write /sys/class/android_usb/android0/f_acm/instances 1
  37     write /sys/class/android_usb/android0/functions ${sys.usb.config}
  38     write /sys/class/android_usb/android0/bDeviceClass 02
  39     write /sys/class/android_usb/android0/enable 1
  40     setprop sys.usb.state ${sys.usb.config}
  41
  42 #2.adb
  43 on property:sys.usb.config=adb
  44     write /sys/class/android_usb/android0/enable 0
  45     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
  46     write /sys/class/android_usb/android0/idProduct 201C
  47     write /sys/class/android_usb/android0/functions ${sys.usb.config}
  48     write /sys/class/android_usb/android0/enable 1
  49     start adbd
  50     setprop sys.usb.state ${sys.usb.config}
  51
  52 #3.adb,acm
  53 on property:sys.usb.config=adb,acm
  54     write /sys/class/android_usb/android0/enable 0
  55     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
  56     write /sys/class/android_usb/android0/idProduct 200E
  57     write /sys/class/android_usb/android0/f_acm/instances 1
  58     write /sys/class/android_usb/android0/functions ${sys.usb.config}
  59     write /sys/class/android_usb/android0/enable 1
  60     start adbd
  61     setprop sys.usb.state ${sys.usb.config}
  62
  63 #4.mass_storage
  64 on property:sys.usb.config=mass_storage
  65     write /sys/class/android_usb/android0/enable 0
  66     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
  67     write /sys/class/android_usb/android0/idProduct 2002
  68     write /sys/class/android_usb/android0/functions ${sys.usb.config}
  69     write /sys/class/android_usb/android0/enable 1
  70     setprop sys.usb.state ${sys.usb.config}
  71
  72 #5.mass_storage,adb
  73 on property:sys.usb.config=mass_storage,adb
  74     write /sys/class/android_usb/android0/enable 0
  75     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
  76     write /sys/class/android_usb/android0/idProduct 2003
  77     write /sys/class/android_usb/android0/functions ${sys.usb.config}
  78     write /sys/class/android_usb/android0/enable 1
  79     start adbd
  80     setprop sys.usb.state ${sys.usb.config}
  81
  82 #6.mtp
  83 on property:sys.usb.config=mtp
  84     write /sys/class/android_usb/android0/enable 0
  85     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
  86     write /sys/class/android_usb/android0/idProduct 2008
  87     write /sys/class/android_usb/android0/functions ${sys.usb.config}
  88     write /sys/class/android_usb/android0/enable 1
  89     setprop sys.usb.state ${sys.usb.config}
  90
  91 #7.mtp,acm
  92 on property:sys.usb.config=mtp,acm
  93     write /sys/class/android_usb/android0/enable 0
  94     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
  95     write /sys/class/android_usb/android0/idProduct 2012
  96     write /sys/class/android_usb/android0/f_acm/instances 1
  97     write /sys/class/android_usb/android0/functions ${sys.usb.config}
  98     write /sys/class/android_usb/android0/enable 1
  99     setprop sys.usb.state ${sys.usb.config}
 100
 101 #8.mtp,adb
 102 on property:sys.usb.config=mtp,adb
 103     write /sys/class/android_usb/android0/enable 0
 104     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
 105     write /sys/class/android_usb/android0/idProduct 201D
 106     write /sys/class/android_usb/android0/functions mtp,adb
 107     write /sys/class/android_usb/android0/enable 1
 108     start adbd
 109     setprop sys.usb.state ${sys.usb.config}
 110
 111 #9.mtp,adb,acm
 112 on property:sys.usb.config=mtp,adb,acm
 113     write /sys/class/android_usb/android0/enable 0
 114     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
 115     write /sys/class/android_usb/android0/idProduct 200A
 116     write /sys/class/android_usb/android0/f_acm/instances 1
 117     write /sys/class/android_usb/android0/functions ${sys.usb.config}
 118     write /sys/class/android_usb/android0/enable 1
 119     start adbd
 120     setprop sys.usb.state ${sys.usb.config}
 121
 122 #10.mtp,mass_storage
 123 on property:sys.usb.config=mtp,mass_storage
 124     write /sys/class/android_usb/android0/enable 0
 125     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
 126     write /sys/class/android_usb/android0/idProduct 2016
 127     write /sys/class/android_usb/android0/functions ${sys.usb.config}
 128     write /sys/class/android_usb/android0/enable 1
 129     setprop sys.usb.state ${sys.usb.config}
 130
 131 #11.mtp,mass_storage,adb
 132 on property:sys.usb.config=mtp,mass_storage,adb
 133     write /sys/class/android_usb/android0/enable 0
 134     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
 135     write /sys/class/android_usb/android0/idProduct 2017
 136     write /sys/class/android_usb/android0/functions ${sys.usb.config}
 137     write /sys/class/android_usb/android0/enable 1
 138     start adbd
 139     setprop sys.usb.state ${sys.usb.config}
 140
 141 #12.ptp
 142 on property:sys.usb.config=ptp
 143     write /sys/class/android_usb/android0/enable 0
 144     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
 145     write /sys/class/android_usb/android0/idProduct 200B
 146     write /sys/class/android_usb/android0/functions ${sys.usb.config}
 147     write /sys/class/android_usb/android0/enable 1
 148     setprop sys.usb.state ${sys.usb.config}
 149
 150 #13.ptp,acm
 151 on property:sys.usb.config=ptp,acm
 152     write /sys/class/android_usb/android0/enable 0
 153     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
 154     write /sys/class/android_usb/android0/idProduct 2013
 155     write /sys/class/android_usb/android0/f_acm/instances 1
 156     write /sys/class/android_usb/android0/functions ${sys.usb.config}
 157     write /sys/class/android_usb/android0/enable 1
 158     setprop sys.usb.state ${sys.usb.config}
 159
 160 #14.ptp,adb
 161 on property:sys.usb.config=ptp,adb
 162     write /sys/class/android_usb/android0/enable 0
 163     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
 164     write /sys/class/android_usb/android0/idProduct 200C
 165     write /sys/class/android_usb/android0/functions ${sys.usb.config}
 166     write /sys/class/android_usb/android0/enable 1
 167     start adbd
 168     setprop sys.usb.state ${sys.usb.config}
 169
 170 #15.ptp,adb,acm
 171 on property:sys.usb.config=ptp,adb,acm
 172     write /sys/class/android_usb/android0/enable 0
 173     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
 174     write /sys/class/android_usb/android0/idProduct 200D
 175     write /sys/class/android_usb/android0/f_acm/instances 1
 176     write /sys/class/android_usb/android0/functions ${sys.usb.config}
 177     write /sys/class/android_usb/android0/enable 1
 178     start adbd
 179     setprop sys.usb.state ${sys.usb.config}
 180
 181 #16.ptp,mass_storage
 182 on property:sys.usb.config=ptp,mass_storage
 183     write /sys/class/android_usb/android0/enable 0
 184     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
 185     write /sys/class/android_usb/android0/idProduct 2015
 186     write /sys/class/android_usb/android0/functions ${sys.usb.config}
 187     write /sys/class/android_usb/android0/enable 1
 188     setprop sys.usb.state ${sys.usb.config}
 189
 190 #17.ptp,mass_storage,adb
 191 on property:sys.usb.config=ptp,mass_storage,adb
 192     write /sys/class/android_usb/android0/enable 0
 193     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
 194     write /sys/class/android_usb/android0/idProduct 2014
 195     write /sys/class/android_usb/android0/functions ${sys.usb.config}
 196     write /sys/class/android_usb/android0/enable 1
 197     start adbd
 198     setprop sys.usb.state ${sys.usb.config}
 199
 200 #18.rndis
 201 on property:sys.usb.config=rndis
 202     write /sys/class/android_usb/android0/enable 0
 203     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
 204     write /sys/class/android_usb/android0/idProduct 2004
 205     write /sys/class/android_usb/android0/functions ${sys.usb.config}
 206     write /sys/class/android_usb/android0/bDeviceClass 224
 207     write /sys/class/android_usb/android0/enable 1
 208     setprop sys.usb.state ${sys.usb.config}
 209
 210 #19.rndis,acm
 211 on property:sys.usb.config=rndis,acm
 212     write /sys/class/android_usb/android0/enable 0
 213     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
 214     write /sys/class/android_usb/android0/idProduct 2011
 215     write /sys/class/android_usb/android0/f_acm/instances 1
 216     write /sys/class/android_usb/android0/functions ${sys.usb.config}
 217     write /sys/class/android_usb/android0/enable 1
 218     setprop sys.usb.state ${sys.usb.config}
 219
 220 #20.rndis,adb
 221 on property:sys.usb.config=rndis,adb
 222     write /sys/class/android_usb/android0/enable 0
 223     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
 224     write /sys/class/android_usb/android0/idProduct 2005
 225     write /sys/class/android_usb/android0/functions ${sys.usb.config}
 226     write /sys/class/android_usb/android0/enable 1
 227     start adbd
 228     setprop sys.usb.state ${sys.usb.config}
 229
 230 #21.rndis,adb,acm
 231 on property:sys.usb.config=rndis,adb,acm
 232     write /sys/class/android_usb/android0/enable 0
 233     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
 234     write /sys/class/android_usb/android0/idProduct 2010
 235     write /sys/class/android_usb/android0/f_acm/instances 1
 236     write /sys/class/android_usb/android0/functions ${sys.usb.config}
 237     write /sys/class/android_usb/android0/enable 1
 238     start adbd
 239     setprop sys.usb.state ${sys.usb.config}
 240
 241 #22.mass_storage,acm
 242 on property:sys.usb.config=mass_storage,acm
 243     write /sys/class/android_usb/android0/enable 0
 244     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
 245     write /sys/class/android_usb/android0/idProduct 200F
 246     write /sys/class/android_usb/android0/f_acm/instances 1
 247     write /sys/class/android_usb/android0/functions ${sys.usb.config}
 248     write /sys/class/android_usb/android0/enable 1
 249     setprop sys.usb.state ${sys.usb.config}
 250
 251 #23.mass_storage,adb,acm
 252 on property:sys.usb.config=mass_storage,adb,acm
 253     write /sys/class/android_usb/android0/enable 0
 254     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
 255     write /sys/class/android_usb/android0/idProduct 2006
 256     write /sys/class/android_usb/android0/f_acm/instances 1
 257     write /sys/class/android_usb/android0/functions ${sys.usb.config}
 258     write /sys/class/android_usb/android0/enable 1
 259     start adbd
 260     setprop sys.usb.state ${sys.usb.config}
 261
 262 #24.mtp,mass_storage,acm
 263 on property:sys.usb.config=mtp,mass_storage,acm
 264     write /sys/class/android_usb/android0/enable 0
 265     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
 266     write /sys/class/android_usb/android0/idProduct 2018
 267     write /sys/class/android_usb/android0/f_acm/instances 1
 268     write /sys/class/android_usb/android0/functions ${sys.usb.config}
 269     write /sys/class/android_usb/android0/enable 1
 270     setprop sys.usb.state ${sys.usb.config}
 271
 272 #25.mtp,mass_storage,adb,acm
 273 on property:sys.usb.config=mtp,mass_storage,adb,acm
 274     write /sys/class/android_usb/android0/enable 0
 275     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
 276     write /sys/class/android_usb/android0/idProduct 2019
 277     write /sys/class/android_usb/android0/f_acm/instances 1
 278     write /sys/class/android_usb/android0/functions ${sys.usb.config}
 279     write /sys/class/android_usb/android0/enable 1
 280     start adbd
 281     setprop sys.usb.state ${sys.usb.config}
 282
 283 #26.ptp,mass_storage,acm
 284 on property:sys.usb.config=ptp,mass_storage,acm
 285     write /sys/class/android_usb/android0/enable 0
 286     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
 287     write /sys/class/android_usb/android0/idProduct 201A
 288     write /sys/class/android_usb/android0/f_acm/instances 1
 289     write /sys/class/android_usb/android0/functions ${sys.usb.config}
 290     write /sys/class/android_usb/android0/enable 1
 291     setprop sys.usb.state ${sys.usb.config}
 292
 293 #27.ptp,mass_storage,adb,acm
 294 on property:sys.usb.config=ptp,mass_storage,adb,acm
 295     write /sys/class/android_usb/android0/enable 0
 296     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
 297     write /sys/class/android_usb/android0/idProduct 201B
 298     write /sys/class/android_usb/android0/f_acm/instances 1
 299     write /sys/class/android_usb/android0/functions ${sys.usb.config}
 300     write /sys/class/android_usb/android0/enable 1
 301     start adbd
 302     setprop sys.usb.state ${sys.usb.config}
 303
 304 # duplicate of init.usb.rc
 305
 306 #28. USB accessory configuration
 307 #on property:sys.usb.config=accessory
 308 #    write /sys/class/android_usb/android0/enable 0
 309 #    write /sys/class/android_usb/android0/idVendor 18d1
 310 #    write /sys/class/android_usb/android0/idProduct 2d00
 311 #    write /sys/class/android_usb/android0/functions ${sys.usb.config}
 312 #    write /sys/class/android_usb/android0/enable 1
 313 #    setprop sys.usb.state ${sys.usb.config}
 314
 315 #39. USB accessory configuration, with adb
 316 #on property:sys.usb.config=accessory,adb
 317 #    write /sys/class/android_usb/android0/enable 0
 318 #    write /sys/class/android_usb/android0/idVendor 18d1
 319 #    write /sys/class/android_usb/android0/idProduct 2d01
 320 #    write /sys/class/android_usb/android0/functions ${sys.usb.config}
 321 #    write /sys/class/android_usb/android0/enable 1
 322 #    start adbd
 323 #    setprop sys.usb.state ${sys.usb.config}
 324
 325 #30. audio accessory configuration
 326 #on property:sys.usb.config=audio_source
 327 #    write /sys/class/android_usb/android0/enable 0
 328 #    write /sys/class/android_usb/android0/idVendor 18d1
 329 #    write /sys/class/android_usb/android0/idProduct 2d02
 330 #    write /sys/class/android_usb/android0/functions ${sys.usb.config}
 331 #    write /sys/class/android_usb/android0/enable 1
 332 #    setprop sys.usb.state ${sys.usb.config}
 333
 334 #31. audio accessory configuration, with adb
 335 #on property:sys.usb.config=audio_source,adb
 336 #    write /sys/class/android_usb/android0/enable 0
 337 #    write /sys/class/android_usb/android0/idVendor 18d1
 338 #    write /sys/class/android_usb/android0/idProduct 2d03
 339 #    write /sys/class/android_usb/android0/functions ${sys.usb.config}
 340 #    write /sys/class/android_usb/android0/enable 1
 341 #    start adbd
 342 #    setprop sys.usb.state ${sys.usb.config}
 343
 344 #32. USB and audio accessory configuration
 345 #on property:sys.usb.config=accessory,audio_source
 346 #    write /sys/class/android_usb/android0/enable 0
 347 #    write /sys/class/android_usb/android0/idVendor 18d1
 348 #    write /sys/class/android_usb/android0/idProduct 2d04
 349 #    write /sys/class/android_usb/android0/functions ${sys.usb.config}
 350 #    write /sys/class/android_usb/android0/enable 1
 351 #    setprop sys.usb.state ${sys.usb.config}
 352
 353 #33. USB and audio accessory configuration, with adb
 354 #on property:sys.usb.config=accessory,audio_source,adb
 355 #    write /sys/class/android_usb/android0/enable 0
 356 #    write /sys/class/android_usb/android0/idVendor 18d1
 357 #    write /sys/class/android_usb/android0/idProduct 2d05
 358 #    write /sys/class/android_usb/android0/functions ${sys.usb.config}
 359 #    write /sys/class/android_usb/android0/enable 1
 360 #    start adbd
 361 #    setprop sys.usb.state ${sys.usb.config}
 362
 363 #34.USB Charging Only configuration
 364 on property:sys.usb.config=charging
 365     setprop sys.usb.state ${sys.usb.config}
 366     setprop sys.usb.charging yes
 367
 368 on property:sys.usb.charging=yes
 369     write /sys/devices/platform/mt_usb/cmode 2
 370
 371 on property:sys.usb.charging=no
 372     write /sys/devices/platform/mt_usb/cmode 1
 373
 374 #35.USB BICR configuration(mass_storage)
 375 on property:sys.usb.config=bicr
 376     write /sys/class/android_usb/android0/enable 0
 377     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
 378     write /sys/class/android_usb/android0/idProduct 2002
 379     write /sys/class/android_usb/android0/functions mass_storage
 380     write /sys/class/android_usb/android0/f_mass_storage/bicr 1
 381     write /sys/class/android_usb/android0/f_mass_storage/lun/file "/dev/block/loop0"
 382     write /sys/class/android_usb/android0/enable 1
 383     setprop sys.usb.state ${sys.usb.config}
 384
 385 #36.USB BICR configuration(mass_storage+adb)
 386 on property:sys.usb.config=bicr,adb
 387     write /sys/class/android_usb/android0/enable 0
 388     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
 389     write /sys/class/android_usb/android0/idProduct 2003
 390     write /sys/class/android_usb/android0/functions mass_storage,adb
 391     write /sys/class/android_usb/android0/f_mass_storage/bicr 1
 392     write /sys/class/android_usb/android0/f_mass_storage/lun/file "/dev/block/loop0"
 393     write /sys/class/android_usb/android0/enable 1
 394     start adbd
 395     setprop sys.usb.state ${sys.usb.config}
 396
 397 #37.USB BICR configuration(mass_storage+adb+acm)
 398 on property:sys.usb.config=bicr,adb,acm
 399     write /sys/class/android_usb/android0/enable 0
 400     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
 401     write /sys/class/android_usb/android0/idProduct 2006
 402     write /sys/class/android_usb/android0/f_acm/instances 1
 403     write /sys/class/android_usb/android0/functions mass_storage,adb,acm
 404     write /sys/class/android_usb/android0/f_mass_storage/bicr 1
 405     write /sys/class/android_usb/android0/f_mass_storage/lun/file "/dev/block/loop0"
 406     write /sys/class/android_usb/android0/enable 1
 407     start adbd
 408     setprop sys.usb.state ${sys.usb.config}
 409
 410 #38.USB BICR configuration(mass_storage+acm)
 411 on property:sys.usb.config=bicr,acm
 412     write /sys/class/android_usb/android0/enable 0
 413     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
 414     write /sys/class/android_usb/android0/idProduct 200F
 415     write /sys/class/android_usb/android0/f_acm/instances 1
 416     write /sys/class/android_usb/android0/functions mass_storage,acm
 417     write /sys/class/android_usb/android0/f_mass_storage/bicr 1
 418     write /sys/class/android_usb/android0/f_mass_storage/lun/file "/dev/block/loop0"
 419     write /sys/class/android_usb/android0/enable 1
 420     setprop sys.usb.state ${sys.usb.config}
 421
 422 #39.eem
 423 on property:sys.usb.config=eem
 424     write /sys/class/android_usb/android0/enable 0
 425     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
 426     write /sys/class/android_usb/android0/idProduct 2026
 427     write /sys/class/android_usb/android0/functions ${sys.usb.config}
 428     write /sys/class/android_usb/android0/bDeviceClass 224
 429     write /sys/class/android_usb/android0/enable 1
 430     setprop sys.usb.state ${sys.usb.config}
 431
 432 #40.eem,acm
 433 on property:sys.usb.config=eem,acm
 434     write /sys/class/android_usb/android0/enable 0
 435     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
 436     write /sys/class/android_usb/android0/idProduct 2027
 437     write /sys/class/android_usb/android0/f_acm/instances 1
 438     write /sys/class/android_usb/android0/functions ${sys.usb.config}
 439     write /sys/class/android_usb/android0/enable 1
 440     setprop sys.usb.state ${sys.usb.config}
 441
 442 #41.eem,adb
 443 on property:sys.usb.config=eem,adb
 444     write /sys/class/android_usb/android0/enable 0
 445     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
 446     write /sys/class/android_usb/android0/idProduct 2028
 447     write /sys/class/android_usb/android0/functions ${sys.usb.config}
 448     write /sys/class/android_usb/android0/enable 1
 449     start adbd
 450     setprop sys.usb.state ${sys.usb.config}
 451
 452 #42.eem,adb,acm
 453 on property:sys.usb.config=eem,adb,acm
 454     write /sys/class/android_usb/android0/enable 0
 455     write /sys/class/android_usb/android0/idVendor ${sys.usb.vid}
 456     write /sys/class/android_usb/android0/idProduct 2030
 457     write /sys/class/android_usb/android0/f_acm/instances 1
 458     write /sys/class/android_usb/android0/functions ${sys.usb.config}
 459     write /sys/class/android_usb/android0/enable 1
 460     start adbd
 461     setprop sys.usb.state ${sys.usb.config}
 462
 463 on property:sys.usb.bicr=yes
 464     write /sys/class/android_usb/android0/f_mass_storage/bicr 1
 465     write /sys/class/android_usb/android0/f_mass_storage/lun/file "/dev/block/loop0"
 466
 467 on property:sys.usb.bicr=no
 468     write /sys/class/android_usb/android0/f_mass_storage/bicr 0
 469     write /sys/class/android_usb/android0/f_mass_storage/lun/file "0"
 470
 471 on property:mediatek.usb.port.mode=usb
 472       write /sys/devices/platform/mt_usb/portmode 0
 473
 474 on property:mediatek.usb.port.mode=uart
 475       write /sys/devices/platform/mt_usb/portmode 1