intel: ipu3: Remove useless check when notify ISYS buffer

[Issue]
All requests buffer are needed for IMGU, so no need to
check before notify ISYS buffer.

[Changes]
Remove useless check when notify ISYS buffer.

BUG=b:62358788
TEST=Basic camera functions work on soraka.

Change-Id: I0dfc35c49cac4087e5f79fde8c014e25ffcdb28f
Signed-off-by: Qingwu Zhang <qingwu.zhang@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/758199
Commit-Ready: WeiX Meng <weix.meng@intel.com>
Tested-by: WeiX Meng <weix.meng@intel.com>
Reviewed-by: Ricky Liang <jcliang@chromium.org>
diff --git a/hal/intel/psl/ipu3/CaptureUnit.cpp b/hal/intel/psl/ipu3/CaptureUnit.cpp
index b73f2b9..5b2fad7 100644
--- a/hal/intel/psl/ipu3/CaptureUnit.cpp
+++ b/hal/intel/psl/ipu3/CaptureUnit.cpp
@@ -822,14 +822,9 @@
 
     if (isysNode == ISYS_NODE_RAW) {
         outMsg.data.event.type = ICaptureEventListener::CAPTURE_EVENT_RAW_BAYER;
-        // Send notification if needed in this request
-        if (gc->isIsaOutputDestinationActive(isysBufferPtr->mDestinationTerminal)) {
-            LOG2("ISYS event %d arrived", outMsg.data.event.type);
-            notifyListeners(&outMsg);
-        } else {
-            // buffer not needed in this request, recycle to the pool
-            isysBufferPtr.reset();
-        }
+        // Send notification
+        LOG2("ISYS event %d arrived", outMsg.data.event.type);
+        notifyListeners(&outMsg);
     } else {
         LOGE("Unsupprted isys node");
         return UNKNOWN_ERROR;