ALSA: hda - Add missing description in HD-Audio-Models.txt

Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/Documentation/sound/alsa/HD-Audio-Models.txt b/Documentation/sound/alsa/HD-Audio-Models.txt
index 5efacf01d9e3297633e8d21088a3ca0d2d4dca35..1d38b0dfba95f6138038716f215991c0f7fd6be9 100644 (file)
--- a/Documentation/sound/alsa/HD-Audio-Models.txt
+++ b/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