audio-io add guides for power consumption

Signed-off-by: KimJeongYeon <jeongyeon.kim@samsung.com>
Change-Id: I3f9372d820d19e9949745d426d26ea81d85f3ceb

diff --git a/org.tizen.guides/html/native/multimedia/audio_io_n.htm b/org.tizen.guides/html/native/multimedia/audio_io_n.htm
index b32d03f..81de212 100644 (file)
--- a/org.tizen.guides/html/native/multimedia/audio_io_n.htm
+++ b/org.tizen.guides/html/native/multimedia/audio_io_n.htm
@@ -131,6 +131,10 @@
    <ul>\r
     <li><p>Use the double buffering mechanism to reduce latency. The mechanism works by first writing data twice before starting. After starting, whenever the listener (event) is called, you can write additional data.</p></li>\r
    </ul> </li>\r
+   <li>Save power consumption.\r
+   <ul>\r
+    <li><p>If the Audio Output does not play for a long time due to some reasons(for example, screen off, idle of playback, ...), call <span style="font-family: Courier New,Courier,monospace">audio_out_unprepare()</span> function to pause the stream and save power consumption. Because your device cannot go sleep while PLAYING state.</p></li>\r
+   </ul> </li>\r
   </ul>\r
 \r
 \r