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authorLinus Torvalds <torvalds@linux-foundation.org>2009-07-27 15:17:29 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-07-27 15:17:29 -0400
commitb54c3835469c9548d470e7788cb22a2fd7e21133 (patch)
tree62e89f7b5ec4acc66bdca7bc7d51bcc44b62357f /Documentation
parent04fc0a4097014db7c22da33a56494e3e8a1895d5 (diff)
parent57e4a5c4f8cfb4b198830c5400f9fc9eb7b75091 (diff)
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 - Fix mute control with some ALC262 models ALSA: snd_usb_caiaq: add support for Audio2DJ ALSA: pcm - Fix hwptr buffer-size overlap bug ALSA: pcm - Fix warnings in debug loggings ALSA: pcm - Add logging of hwptr updates and interrupt updates ASoC: tlv320aic3x: Enable PLL when not bypassed ALSA: hda - Restore GPIO1 properly at resume with AD1984A ALSA: ctxfi - Fix uninitialized error checks ALSA: hda - Use snprintf() to be safer ALSA: usb-audio - Volume control quirk for QuickCam E 3500 ALSA: pcm - Fix regressions with VMware
Diffstat (limited to 'Documentation')
-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 381908d8ca42..719a819f8cc2 100644
--- a/Documentation/sound/alsa/Procfile.txt
+++ b/Documentation/sound/alsa/Procfile.txt
@@ -101,6 +101,8 @@ card*/pcm*/xrun_debug
101 bit 0 = Enable XRUN/jiffies debug messages 101 bit 0 = Enable XRUN/jiffies debug messages
102 bit 1 = Show stack trace at XRUN / jiffies check 102 bit 1 = Show stack trace at XRUN / jiffies check
103 bit 2 = Enable additional jiffies check 103 bit 2 = Enable additional jiffies check
104 bit 3 = Log hwptr update at each period interrupt
105 bit 4 = Log hwptr update at each snd_pcm_update_hw_ptr()
104 106
105 When the bit 0 is set, the driver will show the messages to 107 When the bit 0 is set, the driver will show the messages to
106 kernel log when an xrun is detected. The debug message is 108 kernel log when an xrun is detected. The debug message is
@@ -117,6 +119,9 @@ card*/pcm*/xrun_debug
117 buggy) hardware that doesn't give smooth pointer updates. 119 buggy) hardware that doesn't give smooth pointer updates.
118 This feature is enabled via the bit 2. 120 This feature is enabled via the bit 2.
119 121
122 Bits 3 and 4 are for logging the hwptr records. Note that
123 these will give flood of kernel messages.
124
120card*/pcm*/sub*/info 125card*/pcm*/sub*/info
121 The general information of this PCM sub-stream. 126 The general information of this PCM sub-stream.
122 127