commit 623f13385f0e839c2c1d41e61f149a61f2e10e31
author Badhri Jagan Sridharan <badhri@google.com> Thu Nov 25 09:35:21 2021 -0800
committer Ricky Niu <rickyniu@google.com> Fri Jan 21 18:49:39 2022 +0800
tree b1c10844f6bc91bd8cfe56397a0efdaf3944b9fe
parent aef9dec7dd394016caf42cd0287430f94b5d31ed

Add limitPowerTransfer API to IUsb

limitPowerTransfer is invoked to limit power transfer
in and out of the Usb port.

Bug: 199357330
Signed-off-by: Badhri Jagan Sridharan <badhri@google.com>
Change-Id: I5f4991d024ad827ae8148fc143a44cc05bafdcb4

usb/aidl/default/Usb.cpp

diff --git a/usb/aidl/default/Usb.cpp b/usb/aidl/default/Usb.cpp
index 1105376..0624963 100644
--- a/usb/aidl/default/Usb.cpp
+++ b/usb/aidl/default/Usb.cpp
@@ -289,6 +289,24 @@
     return ScopedAStatus::ok();
 }
 
+ScopedAStatus Usb::limitPowerTransfer(const string& in_portName, bool /*in_limit*/,
+        int64_t in_transactionId) {
+    std::vector<PortStatus> currentPortStatus;
+
+    pthread_mutex_lock(&mLock);
+    if (mCallback != NULL && in_transactionId >= 0) {
+        ScopedAStatus ret = mCallback->notifyLimitPowerTransferStatus(
+                in_portName, false, Status::NOT_SUPPORTED, in_transactionId);
+        if (!ret.isOk())
+            ALOGE("limitPowerTransfer error %s", ret.getDescription().c_str());
+    } else {
+        ALOGE("Not notifying the userspace. Callback is not set");
+    }
+    pthread_mutex_unlock(&mLock);
+
+    return ScopedAStatus::ok();
+}
+
 Status getAccessoryConnected(const string &portName, string *accessory) {
     string filename = kTypecPath + portName + "-partner/accessory_mode";
 

usb/aidl/default/Usb.h

diff --git a/usb/aidl/default/Usb.h b/usb/aidl/default/Usb.h
index bca86ae..71ec938 100644
--- a/usb/aidl/default/Usb.h
+++ b/usb/aidl/default/Usb.h
@@ -54,6 +54,8 @@
             int64_t in_transactionId) override;
     ScopedAStatus enableUsbData(const string& in_portName, bool in_enable,
             int64_t in_transactionId) override;
+    ScopedAStatus limitPowerTransfer(const std::string& in_portName, bool in_limit,
+            int64_t in_transactionId)override;
 
     shared_ptr<IUsbCallback> mCallback;
     // Protects mCallback variable