77 Status setVidPid(const char* vid, const char* pid) {  in setVidPid()
78     if (!WriteStringToFile(vid, VENDOR_ID_PATH)) return Status::ERROR;  in setVidPid()
80     if (!WriteStringToFile(pid, PRODUCT_ID_PATH)) return Status::ERROR;  in setVidPid()
82     return Status::SUCCESS;  in setVidPid()
108 Status resetGadget() {  in resetGadget()
113     if (!WriteStringToFile("0", DEVICE_CLASS_PATH)) return Status::ERROR;  in resetGadget()
115     if (!WriteStringToFile("0", DEVICE_SUB_CLASS_PATH)) return Status::ERROR;  in resetGadget()
117     if (!WriteStringToFile("0", DEVICE_PROTOCOL_PATH)) return Status::ERROR;  in resetGadget()
119     if (!WriteStringToFile("0", DESC_USE_PATH)) return Status::ERROR;  in resetGadget()
121     if (unlinkFunctions(CONFIG_PATH)) return Status::ERROR;  in resetGadget()
123     return Status::SUCCESS;  in resetGadget()
126 Status addGenericAndroidFunctions(MonitorFfs* monitorFfs, uint64_t functions, bool* ffsEnabled,  in addGenericAndroidFunctions()
131         if (!WriteStringToFile("1", DESC_USE_PATH)) return Status::ERROR;  in addGenericAndroidFunctions()
133         if (!monitorFfs->addInotifyFd("/dev/usb-ffs/mtp/")) return Status::ERROR;  in addGenericAndroidFunctions()
135         if (linkFunction("ffs.mtp", (*functionCount)++)) return Status::ERROR;  in addGenericAndroidFunctions()
144         if (!WriteStringToFile("1", DESC_USE_PATH)) return Status::ERROR;  in addGenericAndroidFunctions()
146         if (!monitorFfs->addInotifyFd("/dev/usb-ffs/ptp/")) return Status::ERROR;  in addGenericAndroidFunctions()
148         if (linkFunction("ffs.ptp", (*functionCount)++)) return Status::ERROR;  in addGenericAndroidFunctions()
158         if (linkFunction("midi.gs5", (*functionCount)++)) return Status::ERROR;  in addGenericAndroidFunctions()
163         if (linkFunction("accessory.gs2", (*functionCount)++)) return Status::ERROR;  in addGenericAndroidFunctions()
168         if (linkFunction("audio_source.gs3", (*functionCount)++)) return Status::ERROR;  in addGenericAndroidFunctions()
173         if (linkFunction("gsi.rndis", (*functionCount)++)) return Status::ERROR;  in addGenericAndroidFunctions()
176             if (linkFunction(rndisFunction.c_str(), (*functionCount)++)) return Status::ERROR;  in addGenericAndroidFunctions()
179             if (linkFunction("gsi.rndis", (*functionCount)++)) return Status::ERROR;  in addGenericAndroidFunctions()
185         if (linkFunction("ncm.gs6", (*functionCount)++)) return Status::ERROR;  in addGenericAndroidFunctions()
188     return Status::SUCCESS;  in addGenericAndroidFunctions()
191 Status addAdb(MonitorFfs* monitorFfs, int* functionCount) {  in addAdb()
193     if (!monitorFfs->addInotifyFd("/dev/usb-ffs/adb/")) return Status::ERROR;  in addAdb()
195     if (linkFunction("ffs.adb", (*functionCount)++)) return Status::ERROR;  in addAdb()
199     return Status::SUCCESS;  in addAdb()