doc: Update audio settings API

diff --git a/doc/audio-settings-api.txt b/doc/audio-settings-api.txt
index f59a230..0f60306 100644 (file)
--- a/doc/audio-settings-api.txt
+++ b/doc/audio-settings-api.txt
@@ -17,10 +17,17 @@ Signals             PropertyChanged(string property, variant value)
                        This signal indicates a changed value of the given
                        property.
 
-Properties     boolean Active [readonly]
+Properties     boolean Active [readonly] [EXPERIMENTAL]
 
                        Indicates if an audio PCM stream is active or not.
 
                        This is not supported by all modems. Only modems
                        where the audio data can be routed to the host
                        application processor will support this.
+
+               string Mode [readonly, optional] [EXPERIMENTAL]
+
+                       Indicates the audio mode setting.
+
+                       This is highly modem specific audio string. Every
+                       modem might use different ones.