diff --git a/[refs] b/[refs]
index d09a245b66f4..e5e1fe1b90d0 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5e7b8e0d87091ae21b291588817b5359a5e00795
+refs/heads/master: 39c2871eeaeeddcbecee29ec905ec528a057ca52
diff --git a/trunk/Documentation/sound/alsa/HD-Audio.txt b/trunk/Documentation/sound/alsa/HD-Audio.txt
index a4e5ef87af6b..99958be7b454 100644
--- a/trunk/Documentation/sound/alsa/HD-Audio.txt
+++ b/trunk/Documentation/sound/alsa/HD-Audio.txt
@@ -391,6 +391,14 @@ clear::
   Resets the codec, removes the mixer elements and PCM stuff of the
   specified codec, and clear all init verbs and hints.
 
+For example, when you want to change the pin default configuration
+value of the pin widget 0x14 to 0x9993013f, and let the driver
+re-configure based on that state, run like below:
+------------------------------------------------------------------------
+  # echo 0x14 0x9993013f > /sys/class/sound/hwC0D0/user_pin_configs
+  # echo 1 > /sys/class/sound/hwC0D0/reconfig  
+------------------------------------------------------------------------
+
 
 Power-Saving
 ~~~~~~~~~~~~