diff --git a/[refs] b/[refs]
index 0c02f0e08dea..2737e3a6d1b7 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 76e6f5a9efc919f9179163c66403451a789d47ab
+refs/heads/master: 0d7d8bf3b896dd8752284e2a7639a03936085e5f
diff --git a/trunk/Documentation/sound/alsa/HD-Audio-Models.txt b/trunk/Documentation/sound/alsa/HD-Audio-Models.txt
index 5efacf01d9e3..1d38b0dfba95 100644
--- a/trunk/Documentation/sound/alsa/HD-Audio-Models.txt
+++ b/trunk/Documentation/sound/alsa/HD-Audio-Models.txt
@@ -125,6 +125,7 @@ ALC882/883/885/888/889
   macpro	MacPro support
   mb5		Macbook 5,1
   macmini3	Macmini 3,1
+  mba21		Macbook Air 2,1
   mbp3		Macbook Pro rev3
   imac24	iMac 24'' with jack detection
   imac91	iMac 9,1