[alsa-devel] Backported sbxfi driver (UNTESTED!)

[Ted T. Logian]

Sorry for the multiple posts, but once I rmmod snd-sbxfi, running mixer
does fine.  It seems if I have snd-sbxfi loaded and I run alsamixer, it
locks the entire system.

On Thu, 2008-10-09 at 20:02 +0200, Takashi Iwai wrote:

> Hi,
> 
> $SUBJECT is now on my sound-unstable git tree:
>     git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-unstable-2.6.git
> together with other experimental patches.
> 
> If you're using 2.6.27-rc* git tree, pull the master branch of the
> tree above into yours, and run make oldconfig.  That is,
>     % cd /your/git-tree
>     % git pull git://...../sound-unstable-2.6.git master
> 
> If you are not using 2.6.27-rc*, or not familiar with git, you can try
> alsa-driver-unstable snapshot tarball available at
>     ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/snapshot/
> Run configure, make and make install as usual ALSA-driver tarball.
> 
> (I didn't check whether the tarball correctly includes the sbxfi
>  stuff.  It should have been generated automatically.  If not, wait
>  for a while.  If it still doesn't include sbxfi code, please report.
>  I'll fix it tomorrow morning.)
> 
> The driver is built only for 2.6.26 or later.  If you have an older
> kernel, edit alsa-driver*/kconfig-vers and change the version of
> CONFIG_SND_SBXFI to 2.6.24 or whatever you want.  Then run
> ./gitcompile, instead of configure in this case to update the
> configure script.
> 
> **NOTE**
> The driver is totally untested.  It's just compiled without errors,
> but not reviewed after a quick writing.  So, don't expect it ever runs
> at the first try.  A crash is highly possible.
> 
> There are some build conditions found in sound/pci/sbxfi/sbxfi.c,
> starting with XXX_*.  You can change it if you want.  As default, it's
> for non-fullduplex but accept different rates.  Not sure whether this
> works at all.
> 
> Any test- (and better debugging-) reports are appreciated.
> 
> 
> thanks,
> 
> Takashi
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