From: Denis Kenzior <[email protected]>

---
Either I have a problem with my subscription or this patch was never submitted 
to the mailing-list.

Not only it helps follow Claudio's patchset, but it's in general worth 
discussion such API publicly.
 doc/handsfree-audio-api.txt | 96 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 doc/handsfree-audio-api.txt

diff --git a/doc/handsfree-audio-api.txt b/doc/handsfree-audio-api.txt
new file mode 100644
index 0000000..78ba9e1
--- /dev/null
+++ b/doc/handsfree-audio-api.txt
@@ -0,0 +1,96 @@
+Handsfree Audio Manager hierarchy [experimental]
+=================================
+
+Service                org.ofono
+Interface      org.ofono.HandsfreeAudioManager
+Object path    /
+
+Methods                array{object,dict} GetCards()
+
+                       Get an array of card objects and properties
+                       that represent the currently attached devices.
+
+                       This method call should only be used once when an
+                       application starts up. Further device additions
+                       and removal shall be monitored via CardAdded and
+                       CardRemoved signals.
+
+               void Register(object path, array{byte})
+
+                       Registers a Handsfree Audio agent with a specific
+                       path (freely selectable by the audio subsystem) and
+                       list of supported codecs.  Available codec
+                       identifiers:
+
+                               1       CVSD
+                               2       mSBC
+
+               void Unregister(object path)
+
+                       Unregisters a Handsfree Audio agent registered
+                       through the Register method.
+
+Signals                CardAdded(object path, dict properties)
+
+                       Signal that is sent when a new card is added.  It
+                       contains the object path of new card and its
+                       properties.
+
+               CardRemoved(object path)
+
+                       Signal that is sent when a card has been removed.
+                       The object path is no longer accessible after this
+                       signal and only emitted for reference.
+
+
+Handsfree Audio Card hierarchy [experimental]
+==============================
+
+Service                org.ofono
+Interface      org.ofono.HandsfreeAudioCard
+Object path    /{device0,device1,...}
+
+Methods                dict GetProperties()
+
+                       Returns properties for the device object. See
+                       the properties section for available properties.
+
+               void Connect()
+
+                       Attempts to establish the SCO audio connection.
+                       The Agent NewConnection() method will be called
+                       whenever the SCO audio link has been established.  If
+                       the audio connection could not be established, this
+                       method will return an error.
+
+Signals                PropertyChanged(string name, variant value)
+
+                       This signal indicates a changed value of the given
+                       property.
+
+Properties     string RemoteAddress [readonly]
+
+                       Bluetooth address of the remote peer.
+
+               string LocalAddress [readonly]
+
+                       Bluetooth address of the local adapter.
+
+
+Handsfree Audio Agent hierarchy [experimental]
+===============================
+
+Service                <freely defined>
+Interface      org.ofono.HandsfreeAudioAgent
+Object         <freely defined>
+
+Methods                void NewConnection(object card, fd sco, byte codec)
+
+                       Notifies the handler that a new SCO connection is
+                       available. Returning an error will cause oFono to
+                       disconnect the SCO connection.
+
+               void Release()
+
+                       Notifies the Agent that it is no longer registered
+                       to oFono.
-- 
1.8.1

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