2 files changed, 6 insertions, 0 deletions

diff --git a/Documentation/sound/alsa/HD-Audio-Models.txt b/Documentation/sound/alsa/HD-Audio-Models.txt
index 8eec05bc079e..322869fc8a9e 100644
--- a/Documentation/sound/alsa/HD-Audio-Models.txt
+++ b/Documentation/sound/alsa/HD-Audio-Models.txt
@@ -334,6 +334,7 @@ STAC9227/9228/9229/927x
   ref-no-jd     Reference board without HP/Mic jack detection
   3stack        D965 3stack
   5stack        D965 5stack + SPDIF
+  5stack-no-fp  D965 5stack without front panel
   dell-3stack   Dell Dimension E520
   dell-bios     Fixes with Dell BIOS setup
   auto          BIOS setup (default)
diff --git a/Documentation/sound/alsa/Procfile.txt b/Documentation/sound/alsa/Procfile.txt
index bba2dbb79d81..cfac20cf9e33 100644
--- a/Documentation/sound/alsa/Procfile.txt
+++ b/Documentation/sound/alsa/Procfile.txt
@@ -104,6 +104,11 @@ card*/pcm*/xrun_debug
         When this value is greater than 1, the driver will show the
         stack trace additionally.  This may help the debugging.
 
+        Since 2.6.30, this option also enables the hwptr check using
+        jiffies.  This detects spontaneous invalid pointer callback
+        values, but can be lead to too much corrections for a (mostly
+        buggy) hardware that doesn't give smooth pointer updates.
+
 card*/pcm*/sub*/info
         The general information of this PCM sub-stream.