[ALSA] pcsp: add description

update ALSA-Configuration.txt

Signed-off-by: Stas Sergeev <stsp@aknet.ru>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt
index 999b7048162a4eb8573b349d8554fcd6682b31ad..80a0629f49175549abcfd93fa553f7b02e40e1d3 100644 (file)
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -1613,6 +1613,16 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
 
     Power management is _not_ supported.
 
+  Module snd-pcsp
+  -----------------
+
+    Module for internal PC-Speaker.
+
+    nforce_wa  - enable NForce chipset workaround. Expect bad sound.
+
+    This module supports system beeps, some kind of PCM playback and
+    even a few mixer controls.
+
   Module snd-pcxhr
   ----------------