doc: Further explain the Interfaces property

diff --git a/doc/modem-api.txt b/doc/modem-api.txt
index dfb9926..444e83e 100644 (file)
--- a/doc/modem-api.txt
+++ b/doc/modem-api.txt
@@ -104,6 +104,32 @@ Properties boolean Powered [readwrite]
                        (registration status, SIM inserted status,
                        network capabilities, device capabilities, etc.)
 
+                       Each string in the array is an interface from the
+                       set supported by oFono by modem objects.  The set
+                       includes:
+                               org.ofono.AssistedSatelliteNavigation
+                               org.ofono.AudioSettings
+                               org.ofono.CallBarring
+                               org.ofono.CallForwarding
+                               org.ofono.CallMeter
+                               org.ofono.CallSettings
+                               org.ofono.CallVolume
+                               org.ofono.CellBroadcast
+                               org.ofono.Handsfree
+                               org.ofono.LocationReporting
+                               org.ofono.MessageManager
+                               org.ofono.MessageWaiting
+                               org.ofono.NetworkRegistration
+                               org.ofono.Phonebook
+                               org.ofono.PushNotification
+                               org.ofono.RadioSettings
+                               org.ofono.SimManager
+                               org.ofono.SmartMessaging
+                               org.ofono.SimToolkit
+                               org.ofono.SupplementaryServices
+                               org.ofono.TextTelephony
+                               org.ofono.VoiceCallManager
+
                        Please note that the set of Interfaces can and does
                        change frequently (e.g. due to change in Powered
                        and Online properties.)  If a given interface is no
@@ -112,6 +138,13 @@ Properties boolean Powered [readwrite]
                        e.g. calls have been dropped, network registration
                        lost, etc.
 
+                       The set of possible interfaces supported is also
+                       dependent on the modem hardware and driver support.
+                       For example, HFP devices only support
+                       org.ofono.VoiceCallManager,
+                       org.ofono.NetworkRegistration, org.ofono.Handsfree and
+                       org.ofono.CallVolume interfaces.
+
                string Type [readonly]
 
                        Indicates whether the modem is virtual or a real