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authorLinus Torvalds <torvalds@linux-foundation.org>2009-05-29 08:47:53 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-05-29 08:47:53 -0700
commit44ada1a147fa28ae15b83a031c48fc2b992cc3ef (patch)
tree253d910ef02c8c864fffce7b70bcc7c68697df2b /Documentation/sound/alsa/Procfile.txt
parentb8e7e40abeac49644fec4a4f52ffe74c7b05eca0 (diff)
parent817682c11bb836cfe688b5601aa66f2b58a4848e (diff)
downloadop-kernel-dev-44ada1a147fa28ae15b83a031c48fc2b992cc3ef.zip
op-kernel-dev-44ada1a147fa28ae15b83a031c48fc2b992cc3ef.tar.gz
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ALSA: hda - Compaq Presario CQ60 patching for Conexant sound: usb-audio: make the MotU Fastlane work again ALSA: Enable PCM hw_ptr_jiffies check only in xrun_debug mode ALSA: Fix invalid jiffies check after pause
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 bba2dbb..cfac20c 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.
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