audio: Add IDevice::updateAudioPatch method
Add method 'updateAudioPatch' which should be used when
an existing patch needs to be updated with new routing.
Use of this method allows audio HAL to avoid disrupting
audio stream while changing routing.
Bug: 79248321
Test: atest VtsHalAudioV6_0TargetTest
Change-Id: I6c87f67fa4f2463ba9e8f0272a3232f5c9c55714
diff --git a/audio/6.0/IDevice.hal b/audio/6.0/IDevice.hal
index 2347696..c2e310c 100644
--- a/audio/6.0/IDevice.hal
+++ b/audio/6.0/IDevice.hal
@@ -168,6 +168,25 @@
generates (Result retval, AudioPatchHandle patch);
/**
+ * Updates an audio patch.
+ *
+ * Use of this function is preferred to releasing and re-creating a patch
+ * as the HAL module can figure out a way of switching the route without
+ * causing audio disruption.
+ *
+ * @param previousPatch handle of the previous patch to update.
+ * @param sources new patch sources.
+ * @param sinks new patch sinks.
+ * @return retval operation completion status.
+ * @return patch updated patch handle.
+ */
+ updateAudioPatch(
+ AudioPatchHandle previousPatch,
+ vec<AudioPortConfig> sources,
+ vec<AudioPortConfig> sinks) generates (
+ Result retval, AudioPatchHandle patch);
+
+ /**
* Release an audio patch.
*
* @param patch patch handle.