diff options
Diffstat (limited to 'usb')
| -rw-r--r-- | usb/1.0/default/Usb.cpp | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/usb/1.0/default/Usb.cpp b/usb/1.0/default/Usb.cpp index 6eb88428c9..f72ab9cb39 100644 --- a/usb/1.0/default/Usb.cpp +++ b/usb/1.0/default/Usb.cpp @@ -206,6 +206,19 @@ rescan: bool canSwitchRoleHelper(const std::string portName, PortRoleType type) { std::string filename = appendRoleNodeHelper(portName, type); + + if (type == PortRoleType::DATA_ROLE || type == PortRoleType::POWER_ROLE) { + std::string pd_filename = "/sys/class/power_supply/usb/pd_active"; + std::string pd_active; + + if (!readFile(pd_filename, pd_active)) { + if (pd_active == "0") + return false; + } else { + ALOGE("canSwitchRoleHelper: couldn't read %s", pd_filename.c_str()); + } + } + std::ofstream file(filename); if (file.is_open()) { @@ -396,7 +409,7 @@ void* work(void* param) { for (int n = 0; n < nevents; ++n) { if (events[n].data.ptr) - (*(void (*)(int, struct data *payload))events[n].data.ptr) + (*(void (*)(uint32_t, struct data *payload))events[n].data.ptr) (events[n].events, &payload); } } |