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-rw-r--r--include/asterisk/channelstate.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/asterisk/channelstate.h b/include/asterisk/channelstate.h
index f5f7392dd..08f908256 100644
--- a/include/asterisk/channelstate.h
+++ b/include/asterisk/channelstate.h
@@ -47,7 +47,10 @@ enum ast_channel_state {
AST_STATE_MUTE = (1 << 16), /*!< Do not transmit voice data */
};
-/*! \brief Change the state of a channel */
+/*!
+ * \brief Change the state of a channel
+ * \pre chan is locked
+ */
int ast_setstate(struct ast_channel *chan, enum ast_channel_state);
#endif /* __AST_CHANNELSTATE_H__ */