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

[The Source]

Alexey Bazhin пишет:
> On Mon, 13 Oct 2008 18:05:49 +0200
> Takashi Iwai <tiwai at suse.de> wrote:
>
>   
>> At Mon, 13 Oct 2008 18:02:08 +0200,
>> I wrote:
>>     
>>> At Mon, 13 Oct 2008 17:43:03 +0200,
>>> I wrote:
>>>       
>>>> For example, the latest snapshot I uploaded now has
>>>> alsa-kernel/HEAD: a3e1ef74a8ec8b6e3c30f7aa06c5d5d2f2bea7a9 Merge
>>>> branch 'topic/sbxfi'
>>>>         
>>> ... and again updated to:
>>>   5d425dd626d107ff2b2ea97c27068f7ee4b36dd1 Merge branch
>>> 'topic/sbxfi'
>>>       
>> So, guys, please check the latest one.
>>
>> If the hang up still occurs with this version, then try to define
>> XXX_SYSTEM_TIMER in sbxfi.c, which is undefined as default.
>> With this build option, the driver will use the system timer instead
>> of emu20k1 timer irqs.
>>
>> If this still doesn't help, try to remove all spinlocks.  That is,
>> just comment out all spin_lock*() and spin_unlock*() calls to avoid
>> spin deadlocks.  Of course, it can be racy, but better than a spin
>> deadlock.
>>     
>
> Now it doesn't hangs :) but speakers-test produces crackling sine and
> fails on test...
>
> root at mayonaka:~# speaker-test -c 2 -r 96000 -t
> sine                                                                                                            
>
> speaker-test 1.0.15
>
> Playback device is default
> Stream parameters are 96000Hz, S16_LE, 2 channels
> Sine wave rate is 440.0000Hz
> Rate set to 96000Hz (requested 96000Hz)
> Buffer size range from 32 to 16384
> Period size range from 32 to 16384
> Using max buffer size 16384
> Periods = 4
> was set period_size = 4096
> was set buffer_size = 16384
>  0 - Front Left
> Write error: -5,Input/output error
> xrun_recovery failed: -5,Input/output error
> Transfer failed: Operation not permitted
>
> Also i tried mplayer, 96khz works almost fine (very rare cracklings),
> 48khz plays slow (like playing 96khz sample on 48khz rate without
> resampling), 44.1khz doesn't work at all (mplayer doesn't even
> show that it plays).
>
> Master control on mixer seems to be working fine.
>
>   

ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/snapshot/alsa-driver-unstable-snapshot.tar.bz2
Is that the right URL for latest X-Fi snapshots?