Audio HAL: Add API to attach an effect to a device
Add a method to IDevice interface allowing the attachement of an
audio effect to an audio device.
This is used when an audio effect is implemented below the HAL (e.g by an audio DSP)
and is attached/enabled when a particular sink(e.g speaker) or source(e.g mic) device
is selected.
Bug: 136294538
Test: make
Change-Id: I73d78c4f234fd80443a1cb3772c2d65457968652
diff --git a/audio/6.0/IDevice.hal b/audio/6.0/IDevice.hal
index 122c550..2347696 100644
--- a/audio/6.0/IDevice.hal
+++ b/audio/6.0/IDevice.hal
@@ -295,4 +295,28 @@
*/
@exit
close() generates (Result retval);
+
+ /**
+ * Applies an audio effect to an audio device.
+ *
+ * @param device identifies the sink or source device this effect must be applied to.
+ * "device" is the AudioPortHandle indicated for the device when the audio
+ * patch connecting that device was created.
+ * @param effectId effect ID (obtained from IEffectsFactory.createEffect) of
+ * the effect to add.
+ * @return retval operation completion status.
+ */
+ addDeviceEffect(AudioPortHandle device, uint64_t effectId) generates (Result retval);
+
+ /**
+ * Stops applying an audio effect to an audio device.
+ *
+ * @param device identifies the sink or source device this effect was applied to.
+ * "device" is the AudioPortHandle indicated for the device when the audio
+ * patch is created at the audio HAL.
+ * @param effectId effect ID (obtained from IEffectsFactory.createEffect) of
+ * the effect.
+ * @return retval operation completion status.
+ */
+ removeDeviceEffect(AudioPortHandle device, uint64_t effectId) generates (Result retval);
};