diff --git a/private/property_contexts b/private/property_contexts
index c5f679e..568bdc1 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -418,6 +418,11 @@
 # USB devices can be connected to audio system at a certain time
 ro.audio.multi_usb_mode u:object_r:audio_config_prop:s0 exact bool
 
+# Boolean property used in libaudiohal@aidl to check if the SoC vendor
+# provides an implementation of IHalAdapterVendorExtension interface.
+# See b/323989070 for the discussion why this approach was chosen.
+ro.audio.ihaladaptervendorextension_enabled u:object_r:system_audio_config_prop:s0 exact bool
+
 persist.config.calibration_fac u:object_r:camera_calibration_prop:s0 exact string
 
 config.disable_cameraservice u:object_r:camera_config_prop:s0 exact bool