Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6

[sfrench/cifs-2.6.git] / Documentation / sound / alsa / Procfile.txt

diff --git a/Documentation/sound/alsa/Procfile.txt b/Documentation/sound/alsa/Procfile.txt
index bba2dbb79d81c10d71bbc5b0879f6d3745d1543d..cfac20cf9e33fa150a6cf69f4e6d624e8116caa9 100644 (file)
--- 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.