Update of /cvsroot/alsa/alsa-kernel/Documentation
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv13394/Documentation
Modified Files:
ALSA-Configuration.txt
Log Message:
- added a blacklist to avoid the possible hang-up at module loading.
- added notes about the hang-up problem to ALSA-Configuration.txt.
Index: ALSA-Configuration.txt
===================================================================
RCS file: /cvsroot/alsa/alsa-kernel/Documentation/ALSA-Configuration.txt,v
retrieving revision 1.40
retrieving revision 1.41
diff -u -r1.40 -r1.41
--- ALSA-Configuration.txt 3 May 2004 08:43:04 -0000 1.40
+++ ALSA-Configuration.txt 4 May 2004 15:19:25 -0000 1.41
@@ -789,6 +789,8 @@
Module supports autoprobe and multiple chips (max 8).
+ The power-management is supported.
+
Note: on some notebooks the buffer address cannot be detected
automatically, or causes hang-up during initialization.
In such a case, specify the buffer top address explicity via
@@ -798,9 +800,24 @@
Sony F270: buffer_top=0x272800
The driver supports only ac97 codec. It's possible to force
to initialize/use ac97 although it's not detected. In such a
- case, use force_ac97=1 option.
+ case, use force_ac97=1 option - but *NO* guarantee whether it
+ works!
- The power-management is supported.
+ Note: The NM256 chip can be linked internally with non-AC97
+ codecs. This driver supports only the AC97 codec, and won't work
+ with machines with other (most likely CS423x or OPL3SAx) chips,
+ even though the device is detected in lspci. In such a case, try
+ other drivers, e.g. snd-cs4232 or snd-opl3sa2. Some has ISA-PnP
+ but some doesn't have ISA PnP. You'll need to speicfy isapnp=0
+ and proper hardware parameters in the case without ISA PnP.
+
+ Note: This driver is really crappy. It's a porting from the
+ OSS driver, which is a result of black-magic reverse engineering.
+ The detection of codec will fail if the driver is loaded *after*
+ X-server as described above. You might be able to force to load
+ the module, but it may result in hang-up. Hence, make sure that
+ you load this module *before* X if you encounter this kind of
+ problem.
Module snd-opl3sa2
------------------
-------------------------------------------------------
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