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Merge branch 'fix/pcm-jiffies-check' into for-linus

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* fix/pcm-jiffies-check:
  ALSA: Enable PCM hw_ptr_jiffies check only in xrun_debug mode
  ALSA: Fix invalid jiffies check after pause
This commit is contained in:
Takashi Iwai
2009-05-27 16:51:27 +02:00
parent f00452cfdc c87d973200
commit f5219b6195
3 changed files with 19 additions and 2 deletions
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5
Documentation/sound/alsa/Procfile.txt
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@@ -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.