diff --git a/media/libaudiohal/DeviceHalLocal.cpp b/media/libaudiohal/DeviceHalLocal.cpp
index c5df8c8..78adfef 100644
--- a/media/libaudiohal/DeviceHalLocal.cpp
+++ b/media/libaudiohal/DeviceHalLocal.cpp
@@ -40,11 +40,6 @@
     return OK;
 }
 
-status_t DeviceHalLocal::getVersion(uint32_t *version) {
-    *version = mDev->common.version;
-    return OK;
-}
-
 status_t DeviceHalLocal::initCheck() {
     return mDev->init_check(mDev);
 }
@@ -139,17 +134,31 @@
     return openResult;
 }
 
+status_t DeviceHalLocal::supportsAudioPatches(bool *supportsPatches) {
+    *supportsPatches = version() >= AUDIO_DEVICE_API_VERSION_3_0;
+    return OK;
+}
+
 status_t DeviceHalLocal::createAudioPatch(
         unsigned int num_sources,
         const struct audio_port_config *sources,
         unsigned int num_sinks,
         const struct audio_port_config *sinks,
         audio_patch_handle_t *patch) {
-    return mDev->create_audio_patch(mDev, num_sources, sources, num_sinks, sinks, patch);
+    if (version() >= AUDIO_DEVICE_API_VERSION_3_0) {
+        return mDev->create_audio_patch(
+                mDev, num_sources, sources, num_sinks, sinks, patch);
+    } else {
+        return INVALID_OPERATION;
+    }
 }
 
 status_t DeviceHalLocal::releaseAudioPatch(audio_patch_handle_t patch) {
-    return mDev->release_audio_patch(mDev, patch);
+    if (version() >= AUDIO_DEVICE_API_VERSION_3_0) {
+        return mDev->release_audio_patch(mDev, patch);
+    } else {
+        return INVALID_OPERATION;
+    }
 }
 
 status_t DeviceHalLocal::getAudioPort(struct audio_port *port) {
@@ -157,7 +166,10 @@
 }
 
 status_t DeviceHalLocal::setAudioPortConfig(const struct audio_port_config *config) {
-    return mDev->set_audio_port_config(mDev, config);
+    if (version() >= AUDIO_DEVICE_API_VERSION_3_0)
+        return mDev->set_audio_port_config(mDev, config);
+    else
+        return INVALID_OPERATION;
 }
 
 status_t DeviceHalLocal::dump(int fd) {
diff --git a/media/libaudiohal/DeviceHalLocal.h b/media/libaudiohal/DeviceHalLocal.h
index eba360c..865f296 100644
--- a/media/libaudiohal/DeviceHalLocal.h
+++ b/media/libaudiohal/DeviceHalLocal.h
@@ -28,9 +28,6 @@
     // Sets the value of 'devices' to a bitmask of 1 or more values of audio_devices_t.
     virtual status_t getSupportedDevices(uint32_t *devices);
 
-    // Get the hardware module version.
-    virtual status_t getVersion(uint32_t *version);
-
     // Check to see if the audio hardware interface has been initialized.
     virtual status_t initCheck();
 
@@ -83,6 +80,9 @@
             audio_source_t source,
             sp<StreamInHalInterface> *inStream);
 
+    // Returns whether createAudioPatch and releaseAudioPatch operations are supported.
+    virtual status_t supportsAudioPatches(bool *supportsPatches);
+
     // Creates an audio patch between several source and sink ports.
     virtual status_t createAudioPatch(
             unsigned int num_sources,
@@ -115,6 +115,8 @@
 
     // The destructor automatically closes the device.
     virtual ~DeviceHalLocal();
+
+    uint32_t version() const { return mDev->common.version; }
 };
 
 } // namespace android