audio: implement mute on hdmi multichannel
On direct output streams the audio HAL must implement
the volume function. In the case of HDMI the only function
required is to mute audio when volume is 0 as volume
is defined as fixed on digital output streams.
Bug 8541062
Change-Id: Ia1342f6ffb7b7c95c7c386e3e2ee5243fe65051b
diff --git a/hal/audio_hw.h b/hal/audio_hw.h
index 7bc2ecb..0ac03fa 100644
--- a/hal/audio_hw.h
+++ b/hal/audio_hw.h
@@ -158,6 +158,7 @@
audio_usecase_t usecase;
/* Array of supported channel mask configurations. +1 so that the last entry is always 0 */
audio_channel_mask_t supported_channel_masks[MAX_SUPPORTED_CHANNEL_MASKS + 1];
+ bool muted;
struct audio_device *dev;
};