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-rw-r--r--include/hardware/audio.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/hardware/audio.h b/include/hardware/audio.h
index 2389c09..ca7b18b 100644
--- a/include/hardware/audio.h
+++ b/include/hardware/audio.h
@@ -117,6 +117,9 @@ __BEGIN_DECLS
* or no HW sync is available. */
#define AUDIO_PARAMETER_HW_AV_SYNC "hw_av_sync"
+/* Device state*/
+#define AUDIO_PARAMETER_KEY_DEV_SHUTDOWN "dev_shutdown"
+
/**
* audio stream parameters
*/