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-rw-r--r--include/hardware/audio.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/include/hardware/audio.h b/include/hardware/audio.h
index 4fd73a2..3a0962e 100644
--- a/include/hardware/audio.h
+++ b/include/hardware/audio.h
@@ -53,7 +53,8 @@ __BEGIN_DECLS
*/
#define AUDIO_DEVICE_API_VERSION_0_0 HARDWARE_DEVICE_API_VERSION(0, 0)
#define AUDIO_DEVICE_API_VERSION_1_0 HARDWARE_DEVICE_API_VERSION(1, 0)
-#define AUDIO_DEVICE_API_VERSION_CURRENT AUDIO_DEVICE_API_VERSION_1_0
+#define AUDIO_DEVICE_API_VERSION_2_0 HARDWARE_DEVICE_API_VERSION(2, 0)
+#define AUDIO_DEVICE_API_VERSION_CURRENT AUDIO_DEVICE_API_VERSION_2_0
/**
* List of known audio HAL modules. This is the base name of the audio HAL
@@ -329,6 +330,12 @@ struct audio_hw_device {
* each audio_hw_device implementation.
*
* Return value is a bitmask of 1 or more values of audio_devices_t
+ *
+ * NOTE: audio HAL implementations starting with
+ * AUDIO_DEVICE_API_VERSION_2_0 do not implement this function.
+ * All supported devices should be listed in audio_policy.conf
+ * file and the audio policy manager must choose the appropriate
+ * audio module based on information in this file.
*/
uint32_t (*get_supported_devices)(const struct audio_hw_device *dev);