audio: Allow playback on earpiece too

For VoIP we need to have output on the earpiece.

Change-Id: I5c5488a184b3efe4f95a2d0602ad286b1eba7780
diff --git a/audio/audio_hw.c b/audio/audio_hw.c
index 149ef1c..cfe3013 100644
--- a/audio/audio_hw.c
+++ b/audio/audio_hw.c
@@ -69,7 +69,7 @@
     .id = SOUND_PLAYBACK_DEVICE,
     .type = PCM_PLAYBACK,
     .devices = AUDIO_DEVICE_OUT_WIRED_HEADSET|AUDIO_DEVICE_OUT_WIRED_HEADPHONE|
-               AUDIO_DEVICE_OUT_SPEAKER,
+               AUDIO_DEVICE_OUT_SPEAKER|AUDIO_DEVICE_OUT_EARPIECE,
 };
 
 static struct pcm_device_profile pcm_device_deep_buffer = {
@@ -87,7 +87,7 @@
     .id = SOUND_DEEP_BUFFER_DEVICE,
     .type = PCM_PLAYBACK,
     .devices = AUDIO_DEVICE_OUT_WIRED_HEADSET|AUDIO_DEVICE_OUT_WIRED_HEADPHONE|
-               AUDIO_DEVICE_OUT_SPEAKER,
+               AUDIO_DEVICE_OUT_SPEAKER|AUDIO_DEVICE_OUT_EARPIECE,
 };
 
 static struct pcm_device_profile pcm_device_capture = {