commit 2120790ee6e142ed92177e154a5975e4671e9bd9
author Shraddha Basantwani <shraddha.basantwani@ittiam.com> Tue Jun 01 16:35:07 2021 +0530
committer Shraddha Basantwani <shraddha.basantwani@ittiam.com> Fri Jun 18 16:12:42 2021 +0530
tree ed7a3e78fa6564bf0fef51c33d1d1c49b63f2d4e
parent 697e280bde0a066ee6945d7d4a734b04bc18b296

CEC: Add implementation of isConnected method to default HdmiCec

Bug: 185434120
Test: manual
Change-Id: I245d52a7ef4e57852277fce655bd6383e0461f92

tv/cec/1.0/default/HdmiCecDefault.cpp

diff --git a/tv/cec/1.0/default/HdmiCecDefault.cpp b/tv/cec/1.0/default/HdmiCecDefault.cpp
index 7b986de..b5f2ba7 100644
--- a/tv/cec/1.0/default/HdmiCecDefault.cpp
+++ b/tv/cec/1.0/default/HdmiCecDefault.cpp
@@ -151,7 +151,16 @@
 }
 
 Return<bool> HdmiCecDefault::isConnected(int32_t /*portId*/) {
-    return false;
+    uint16_t addr;
+    int ret = ioctl(mCecFd, CEC_ADAP_G_PHYS_ADDR, &addr);
+    if (ret) {
+        LOG(ERROR) << "Is connected failed, Error = " << strerror(errno);
+        return false;
+    }
+    if (addr == CEC_PHYS_ADDR_INVALID) {
+        return false;
+    }
+    return true;
 }
 
 // Initialise the cec file descriptor