diff options
Diffstat (limited to 'usb/gadget/UsbGadget.cpp')
-rw-r--r-- | usb/gadget/UsbGadget.cpp | 64 |
1 files changed, 42 insertions, 22 deletions
diff --git a/usb/gadget/UsbGadget.cpp b/usb/gadget/UsbGadget.cpp index 7ee70460..9b68e2c4 100644 --- a/usb/gadget/UsbGadget.cpp +++ b/usb/gadget/UsbGadget.cpp @@ -41,10 +41,34 @@ constexpr char kHsi2cPath[] = "/sys/devices/platform/10d50000.hsi2c"; constexpr char kI2CPath[] = "/sys/devices/platform/10d50000.hsi2c/i2c-"; constexpr char kAccessoryLimitCurrent[] = "i2c-max77759tcpc/usb_limit_accessory_current"; constexpr char kAccessoryLimitCurrentEnable[] = "i2c-max77759tcpc/usb_limit_accessory_enable"; +constexpr char kUpdateSdpEnumTimeout[] = "i2c-max77759tcpc/update_sdp_enum_timeout"; using ::android::base::GetBoolProperty; using ::android::hardware::google::pixel::usb::kUvcEnabled; +Status getI2cBusHelper(string *name) { + DIR *dp; + + dp = opendir(kHsi2cPath); + if (dp != NULL) { + struct dirent *ep; + + while ((ep = readdir(dp))) { + if (ep->d_type == DT_DIR) { + if (string::npos != string(ep->d_name).find("i2c-")) { + std::strtok(ep->d_name, "-"); + *name = std::strtok(NULL, "-"); + } + } + } + closedir(dp); + return Status::SUCCESS; + } + + ALOGE("Failed to open %s", kHsi2cPath); + return Status::ERROR; +} + UsbGadget::UsbGadget() : mGadgetIrqPath("") { if (access(OS_DESC_PATH, R_OK) != 0) { ALOGE("configfs setup not done yet"); @@ -97,6 +121,7 @@ Status UsbGadget::getUsbGadgetIrqPath() { void currentFunctionsAppliedCallback(bool functionsApplied, void *payload) { UsbGadget *gadget = (UsbGadget *)payload; gadget->mCurrentUsbFunctionsApplied = functionsApplied; + gadget->updateSdpEnumTimeout(); } ScopedAStatus UsbGadget::getCurrentUsbFunctions(const shared_ptr<IUsbGadgetCallback> &callback, @@ -363,6 +388,22 @@ ScopedAStatus UsbGadget::reset(const shared_ptr<IUsbGadgetCallback> &callback, return ScopedAStatus::ok(); } +void UsbGadget::updateSdpEnumTimeout() { + string i2c_node, update_sdp_enum_timeout_path; + + Status status = getI2cBusHelper(&i2c_node); + if (status != Status::SUCCESS) { + ALOGE("%s: Unable to locate i2c bus node", __func__); + } + + update_sdp_enum_timeout_path = kI2CPath + i2c_node + "/" + kUpdateSdpEnumTimeout; + if (!WriteStringToFile("1", update_sdp_enum_timeout_path)) { + ALOGE("%s: Unable to write to %s.", __func__, update_sdp_enum_timeout_path.c_str()); + } else { + ALOGI("%s: Updated SDP enumeration timeout value.", __func__); + } +} + Status UsbGadget::setupFunctions(long functions, const shared_ptr<IUsbGadgetCallback> &callback, uint64_t timeout, int64_t in_transactionId) { @@ -417,6 +458,7 @@ Status UsbGadget::setupFunctions(long functions, mCurrentUsbFunctionsApplied = true; if (callback) callback->setCurrentUsbFunctionsCb(functions, Status::SUCCESS, in_transactionId); + updateSdpEnumTimeout(); return Status::SUCCESS; } @@ -441,28 +483,6 @@ Status UsbGadget::setupFunctions(long functions, return Status::SUCCESS; } -Status getI2cBusHelper(string *name) { - DIR *dp; - - dp = opendir(kHsi2cPath); - if (dp != NULL) { - struct dirent *ep; - - while ((ep = readdir(dp))) { - if (ep->d_type == DT_DIR) { - if (string::npos != string(ep->d_name).find("i2c-")) { - std::strtok(ep->d_name, "-"); - *name = std::strtok(NULL, "-"); - } - } - } - closedir(dp); - return Status::SUCCESS; - } - - ALOGE("Failed to open %s", kHsi2cPath); - return Status::ERROR; -} ScopedAStatus UsbGadget::setCurrentUsbFunctions(long functions, const shared_ptr<IUsbGadgetCallback> &callback, |