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| author | Ingo Molnar <mingo@elte.hu> | 2009-08-25 10:04:27 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-08-25 10:04:32 +0200 |
| commit | daedc71836e5a398fd0cc0e12c5cb43539478485 (patch) | |
| tree | c56567a92017679e57195cef992d4a5561c20e0e /Documentation/sound/alsa | |
| parent | c36ba80ea01d0aecb652c26799a912e760ce8981 (diff) | |
| parent | 422bef879e84104fee6dc68ded0e371dbeb5f88e (diff) | |
Merge commit 'v2.6.31-rc7' into irq/core
Merge reason: move from an -rc2 base to -rc7.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation/sound/alsa')
| -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 381908d8ca4..719a819f8cc 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. |