Support backward compatibility of new LAST_CALL_FAIL_CAUSE

Previous fail cause returns integer array. New fail cuase returns integer and
string. RIL framework uses just integer as causeCode.
To support backward compatibility, returns integer instead of integer array
as causeCode.

Bug: 22204818
Change-Id: I77ca55d99a44d129cf401743c34c03754f38dde2

1 files changed, 6 insertions, 1 deletions

diff --git a/libril/ril.cpp b/libril/ril.cpp
index a27495e..fc4ea51 100644
--- a/libril/ril.cpp
+++ b/libril/ril.cpp
@@ -2181,7 +2181,12 @@ static int responseFailCause(Parcel &p, void *response, size_t responselen) {
     }
 
     if (responselen == sizeof(int)) {
-      return responseInts(p, response, responselen);
+      startResponse;
+      int *p_int = (int *) response;
+      appendPrintBuf("%s%d,", printBuf, p_int[0]);
+      p.writeInt32(p_int[0]);
+      removeLastChar;
+      closeResponse;
     } else if (responselen == sizeof(RIL_LastCallFailCauseInfo)) {
       startResponse;
       RIL_LastCallFailCauseInfo *p_fail_cause_info = (RIL_LastCallFailCauseInfo *) response;