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Usb: non-compliant port partner implementation

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Adds vendor code for non-compliant charger feature.

Minor port of commit 96ccf93453583642a15dd96b1e4d6bf0645fc10b

Test: atest VtsAidlUsbTargetTest
Test: manual test on device
Bug: 301380358
Change-Id: Ie1a48b1acaaae9a53f3b9bfebcfee7a2f4814810
(cherry picked from commit 96ccf93453583642a15dd96b1e4d6bf0645fc10b)
This commit is contained in:
RD Babiera 2022-09-20 23:35:04 +00:00
parent ff36b058f5
commit 90ece745e5
1 changed files with 42 additions and 0 deletions
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42
usb/usb/Usb.cpp
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@ -69,6 +69,11 @@ constexpr char kI2CPath[] = "/sys/devices/platform/108d0000.hsi2c/i2c-";
constexpr char kContaminantDetectionPath[] = "-0025/contaminant_detection";
constexpr char kDisplayPortDrmPath[] = "/sys/devices/platform/110f0000.drmdp/drm-displayport/";
constexpr char kDisplayPortUsbPath[] = "/sys/class/typec/port0-partner/";
constexpr char kComplianceWarningsPath[] = "device/non_compliant_reasons";
constexpr char kComplianceWarningBC12[] = "bc12";
constexpr char kComplianceWarningDebugAccessory[] = "debug-accessory";
constexpr char kComplianceWarningMissingRp[] = "missing_rp";
constexpr char kComplianceWarningOther[] = "other";
constexpr char kStatusPath[] = "-0025/contaminant_detection_status";
constexpr char kSinkLimitEnable[] = "-0025/usb_limit_sink_enable";
constexpr char kSourceLimitEnable[] = "-0025/usb_limit_source_enable";
@ -319,6 +324,42 @@ Status queryMoistureDetectionStatus(std::vector<PortStatus> *currentPortStatus)
return Status::SUCCESS;
}
Status queryNonCompliantChargerStatus(std::vector<PortStatus> *currentPortStatus) {
string reasons, path;
for (int i = 0; i < currentPortStatus->size(); i++) {
(*currentPortStatus)[i].supportsComplianceWarnings = true;
path = string(kTypecPath) + "/" + (*currentPortStatus)[i].portName + "/" +
string(kComplianceWarningsPath);
if (ReadFileToString(path.c_str(), &reasons)) {
std::vector<string> reasonsList = Tokenize(reasons.c_str(), "[], \n\0");
for (string reason : reasonsList) {
if (!strncmp(reason.c_str(), kComplianceWarningDebugAccessory,
strlen(kComplianceWarningDebugAccessory))) {
(*currentPortStatus)[i].complianceWarnings.push_back(ComplianceWarning::DEBUG_ACCESSORY);
continue;
}
if (!strncmp(reason.c_str(), kComplianceWarningBC12,
strlen(kComplianceWarningBC12))) {
(*currentPortStatus)[i].complianceWarnings.push_back(ComplianceWarning::BC_1_2);
continue;
}
if (!strncmp(reason.c_str(), kComplianceWarningMissingRp,
strlen(kComplianceWarningMissingRp))) {
(*currentPortStatus)[i].complianceWarnings.push_back(ComplianceWarning::MISSING_RP);
continue;
}
if (!strncmp(reason.c_str(), kComplianceWarningOther,
strlen(kComplianceWarningOther))) {
(*currentPortStatus)[i].complianceWarnings.push_back(ComplianceWarning::OTHER);
continue;
}
}
}
}
return Status::SUCCESS;
}
string appendRoleNodeHelper(const string &portName, PortRole::Tag tag) {
string node("/sys/class/typec/" + portName);
@ -983,6 +1024,7 @@ void queryVersionHelper(android::hardware::usb::Usb *usb,
status = getPortStatusHelper(usb, currentPortStatus);
queryMoistureDetectionStatus(currentPortStatus);
queryPowerTransferStatus(currentPortStatus);
queryNonCompliantChargerStatus(currentPortStatus);
pthread_mutex_lock(&usb->mDisplayPortLock);
if (!usb->mDisplayPortFirstSetupDone &&
usb->getDisplayPortUsbPathHelper(&displayPortUsbPath) == Status::SUCCESS) {