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Implement resetUsbPort in USB HAL

Browse source 
Bug: 197300598
Test: Check it works

Signed-off-by: Ricky Niu <rickyniu@google.com>
Change-Id: Ibd6fd14faf47e1ad5d7817b006f9ba64e2ab5fb9
This commit is contained in:
Ricky Niu 2021-12-07 20:24:25 +08:00 • committed by TreeHugger Robot
parent 6d45ee7df3
commit df693e00a8
2 changed files with 26 additions and 0 deletions
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25
usb/usb/Usb.cpp
View file

@ -172,6 +172,31 @@ ScopedAStatus Usb::enableUsbDataWhileDocked(const string& in_portName,
return ScopedAStatus::ok();
}
ScopedAStatus Usb::resetUsbPort(const std::string& in_portName, int64_t in_transactionId) {
bool result = true;
std::vector<PortStatus> currentPortStatus;
ALOGI("Userspace reset USB Port. opID:%ld", in_transactionId);
if (!WriteStringToFile("none", PULLUP_PATH)) {
ALOGI("Gadget cannot be pulled down");
result = false;
}
pthread_mutex_lock(&mLock);
if (mCallback != NULL) {
::ndk::ScopedAStatus ret = mCallback->notifyResetUsbPortStatus(
in_portName, result ? Status::SUCCESS : Status::ERROR, in_transactionId);
if (!ret.isOk())
ALOGE("notifyTransactionStatus error %s", ret.getDescription().c_str());
} else {
ALOGE("Not notifying the userspace. Callback is not set");
}
pthread_mutex_unlock(&mLock);
return ::ndk::ScopedAStatus::ok();
}
Status getI2cBusHelper(string *name) {
DIR *dp;

1
usb/usb/Usb.h
View file

@ -69,6 +69,7 @@ struct Usb : public BnUsb {
int64_t in_transactionId) override;
ScopedAStatus limitPowerTransfer(const string& in_portName, bool in_limit,
int64_t in_transactionId) override;
ScopedAStatus resetUsbPort(const string& in_portName, int64_t in_transactionId) override;
std::shared_ptr<::aidl::android::hardware::usb::IUsbCallback> mCallback;
// Protects mCallback variable