[media] media: Add ALSA Media Controller function entities

Add ALSA Media Controller capture, playback, and mixer
function entity defines.

[mchehab@osg.samsung.com: fix a trivial merge conflict and start
 MEDIA_ENT_AUDIO_F from 3000]

Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
diff --git a/include/uapi/linux/media.h b/include/uapi/linux/media.h
index f53ede3..95e126e 100644
--- a/include/uapi/linux/media.h
+++ b/include/uapi/linux/media.h
@@ -88,6 +88,13 @@
 #define MEDIA_ENT_F_IF_AUD_DECODER	(MEDIA_ENT_F_BASE + 2002)
 
 /*
+ * Audio Entity Functions
+ */
+#define MEDIA_ENT_F_AUDIO_CAPTURE	(MEDIA_ENT_F_BASE + 3000)
+#define MEDIA_ENT_F_AUDIO_PLAYBACK	(MEDIA_ENT_F_BASE + 3001)
+#define MEDIA_ENT_F_AUDIO_MIXER		(MEDIA_ENT_F_BASE + 3002)
+
+/*
  * Connectors
  */
 /* It is a responsibility of the entity drivers to add connectors and links */