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-rw-r--r--Documentation/sound/alsa/ALSA-Configuration.txt19
-rw-r--r--Documentation/sound/alsa/Procfile.txt5
-rw-r--r--Documentation/sound/alsa/soc/dapm.txt1
3 files changed, 25 insertions, 0 deletions
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt
index 012858d2b119..c903db869dd6 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -460,6 +460,25 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
The power-management is supported.
+ Module snd-ctxfi
+ ----------------
+
+ Module for Creative Sound Blaster X-Fi boards (20k1 / 20k2 chips)
+ * Creative Sound Blaster X-Fi Titanium Fatal1ty Champion Series
+ * Creative Sound Blaster X-Fi Titanium Fatal1ty Professional Series
+ * Creative Sound Blaster X-Fi Titanium Professional Audio
+ * Creative Sound Blaster X-Fi Titanium
+ * Creative Sound Blaster X-Fi Elite Pro
+ * Creative Sound Blaster X-Fi Platinum
+ * Creative Sound Blaster X-Fi Fatal1ty
+ * Creative Sound Blaster X-Fi XtremeGamer
+ * Creative Sound Blaster X-Fi XtremeMusic
+
+ reference_rate - reference sample rate, 44100 or 48000 (default)
+ multiple - multiple to ref. sample rate, 1 or 2 (default)
+
+ This module supports multiple cards.
+
Module snd-darla20
------------------
diff --git a/Documentation/sound/alsa/Procfile.txt b/Documentation/sound/alsa/Procfile.txt
index bba2dbb79d81..cfac20cf9e33 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.
diff --git a/Documentation/sound/alsa/soc/dapm.txt b/Documentation/sound/alsa/soc/dapm.txt
index 9e6763264a2e..9ac842be9b4f 100644
--- a/Documentation/sound/alsa/soc/dapm.txt
+++ b/Documentation/sound/alsa/soc/dapm.txt
@@ -62,6 +62,7 @@ Audio DAPM widgets fall into a number of types:-
o Mic - Mic (and optional Jack)
o Line - Line Input/Output (and optional Jack)
o Speaker - Speaker
+ o Supply - Power or clock supply widget used by other widgets.
o Pre - Special PRE widget (exec before all others)
o Post - Special POST widget (exec after all others)