Merge remote-tracking branches 'asoc/fix/amd', 'asoc/fix/arizona', 'asoc/fix/dpcm...

[karo-tx-linux.git] / Documentation / sound / alsa / Procfile.txt

diff --git a/Documentation/sound/alsa/Procfile.txt b/Documentation/sound/alsa/Procfile.txt
index 7fcd1ad96fccba5e714612d1662398c07bf3bc81..7f8a0d32590577327848332b922241572ee2ed96 100644 (file)
--- a/Documentation/sound/alsa/Procfile.txt
+++ b/Documentation/sound/alsa/Procfile.txt
@@ -101,10 +101,6 @@ 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()
-         bit 5 = Show last 10 positions on error
-         bit 6 = Do above only once
 
        When the bit 0 is set, the driver will show the messages to
        kernel log when an xrun is detected.  The debug message is
@@ -121,15 +117,6 @@ 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.
-
-       When bit 5 is set, the driver logs the last 10 xrun errors and
-       the proc file shows each jiffies, position, period_size,
-       buffer_size, old_hw_ptr, and hw_ptr_base values.
-
-       When bit 6 is set, the full xrun log is shown only once.
-
 card*/pcm*/sub*/info
        The general information of this PCM sub-stream.
 
@@ -146,6 +133,10 @@ card*/pcm*/sub*/sw_params
 card*/pcm*/sub*/prealloc
        The buffer pre-allocation information.
 
+card*/pcm*/sub*/xrun_injection
+       Triggers an XRUN to the running stream when any value is
+       written to this proc file.  Used for fault injection.
+       This entry is write-only.
 
 AC97 Codec Information
 ----------------------