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| author | James Morris <jmorris@namei.org> | 2009-08-06 00:55:03 +0200 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2009-08-06 00:55:03 +0200 |
| commit | 012a5299a29672039f42944a37984558393ef769 (patch) | |
| tree | de0815c67cf4156c32c8b552cd7448387cc391b0 /Documentation/sound/alsa/Procfile.txt | |
| parent | security/smack: Use AF_INET for sin_family field (diff) | |
| parent | Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus (diff) | |
| download | linux-012a5299a29672039f42944a37984558393ef769.tar.xz linux-012a5299a29672039f42944a37984558393ef769.zip | |
Merge branch 'master' into next
Diffstat (limited to 'Documentation/sound/alsa/Procfile.txt')
| -rw-r--r-- | Documentation/sound/alsa/Procfile.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/sound/alsa/Procfile.txt b/Documentation/sound/alsa/Procfile.txt index 381908d8ca42..719a819f8cc2 100644 --- a/Documentation/sound/alsa/Procfile.txt +++ b/Documentation/sound/alsa/Procfile.txt @@ -101,6 +101,8 @@ card*/pcm*/xrun_debug bit 0 = Enable XRUN/jiffies debug messages bit 1 = Show stack trace at XRUN / jiffies check bit 2 = Enable additional jiffies check + bit 3 = Log hwptr update at each period interrupt + bit 4 = Log hwptr update at each snd_pcm_update_hw_ptr() When the bit 0 is set, the driver will show the messages to kernel log when an xrun is detected. The debug message is @@ -117,6 +119,9 @@ card*/pcm*/xrun_debug buggy) hardware that doesn't give smooth pointer updates. This feature is enabled via the bit 2. + Bits 3 and 4 are for logging the hwptr records. Note that + these will give flood of kernel messages. + card*/pcm*/sub*/info The general information of this PCM sub-stream. |