libaudiohal: Align use of get_audio_port_v7 with default wrapper

Use the same logic when calling get_audio_port_v7
as the default wrapper, with separation for pre-V7
and V7 versions of the code.

Bug: 160352965
Test: check audio on device
      also, use a modified APM config with USB Audio on 'usb' module
Change-Id: I5a6e2164b43d086aec6ffad5300edbade04cca1f
Merged-In: I5a6e2164b43d086aec6ffad5300edbade04cca1f
diff --git a/media/libaudiohal/impl/DeviceHalHidl.cpp b/media/libaudiohal/impl/DeviceHalHidl.cpp
index 0d5fe59..ca4f663 100644
--- a/media/libaudiohal/impl/DeviceHalHidl.cpp
+++ b/media/libaudiohal/impl/DeviceHalHidl.cpp
@@ -354,7 +354,8 @@
     return processReturn("releaseAudioPatch", mDevice->releaseAudioPatch(patch));
 }
 
-status_t DeviceHalHidl::getAudioPort(struct audio_port *port) {
+template <typename HalPort>
+status_t DeviceHalHidl::getAudioPortImpl(HalPort *port) {
     if (mDevice == 0) return NO_INIT;
     AudioPort hidlPort;
     HidlUtils::audioPortFromHal(*port, &hidlPort);
@@ -370,6 +371,30 @@
     return processReturn("getAudioPort", ret, retval);
 }
 
+status_t DeviceHalHidl::getAudioPort(struct audio_port *port) {
+    return getAudioPortImpl(port);
+}
+
+status_t DeviceHalHidl::getAudioPort(struct audio_port_v7 *port) {
+#if MAJOR_VERSION >= 7
+    return getAudioPortImpl(port);
+#else
+    struct audio_port audioPort = {};
+    status_t result = NO_ERROR;
+    if (!audio_populate_audio_port(port, &audioPort)) {
+        ALOGE("Failed to populate legacy audio port from audio_port_v7");
+        result = BAD_VALUE;
+    }
+    status_t status = getAudioPort(&audioPort);
+    if (status == NO_ERROR) {
+        audio_populate_audio_port_v7(&audioPort, port);
+    } else {
+        result = status;
+    }
+    return result;
+#endif
+}
+
 status_t DeviceHalHidl::setAudioPortConfig(const struct audio_port_config *config) {
     if (mDevice == 0) return NO_INIT;
     AudioPortConfig hidlConfig;