Merge "audio policy: fix preferred device for mmap I/Os" into main
diff --git a/services/audiopolicy/common/managerdefinitions/include/AudioIODescriptorInterface.h b/services/audiopolicy/common/managerdefinitions/include/AudioIODescriptorInterface.h
index 6167f95..3edd4de 100644
--- a/services/audiopolicy/common/managerdefinitions/include/AudioIODescriptorInterface.h
+++ b/services/audiopolicy/common/managerdefinitions/include/AudioIODescriptorInterface.h
@@ -47,13 +47,17 @@
 
     if (active) {
         // On MMAP IOs, the preferred device is selected by the first client (virtual client
-        // created when the mmap stream is opened). This client is never active.
+        // created when the mmap stream is opened). This client is never active and we only
+        // consider the Filter criteria, not the active state.
         // On non MMAP IOs, the preferred device is honored only if all active clients have
         // a preferred device in which case the first client drives the selection.
         if (desc->isMmap()) {
-            // The client list is never empty on a MMAP IO
-            return devices.getDeviceFromId(
-                    desc->clientsList(false /*activeOnly*/)[0]->preferredDeviceId());
+            auto matchingClients = desc->clientsList(
+                    false /*activeOnly*/, filter, true /*preferredDevice*/);
+            if (matchingClients.empty()) {
+                return nullptr;
+            }
+            return devices.getDeviceFromId(matchingClients[0]->preferredDeviceId());
         } else {
             auto activeClientsWithRoute =
                 desc->clientsList(true /*activeOnly*/, filter, true /*preferredDevice*/);