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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2009-06-11 01:58:01 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2009-06-11 01:58:01 -0700
commit4894e4aca82aca927d0404ce61f021f790de4b1e (patch)
treebbe0d083829f5858295298f188d885367cf4b1f6 /Documentation/sound/alsa/Procfile.txt
parent05e882f890038c702a4f15d385135d03cf74ad48 (diff)
parent07a2039b8eb0af4ff464efd3dfd95de5c02648c6 (diff)
Merge commit 'v2.6.30' into next
Diffstat (limited to 'Documentation/sound/alsa/Procfile.txt')
-rw-r--r--Documentation/sound/alsa/Procfile.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/sound/alsa/Procfile.txt b/Documentation/sound/alsa/Procfile.txt
index bba2dbb79d8..cfac20cf9e3 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.