[alsa-devel] [PATCH - Fix Fast Track Ultra series: 44.1/88.1 kHz 1/Fix playback/capture issues and related chrashes at 44100 Hz and 88200 Hz for M-Audio Fast Track Ultra series.

Felix Homann fexpop at web.de
Tue Aug 31 08:39:24 CEST 2010

Dear Alsa developers,

almost 2 months ago I send a patch making the M-Audio Fast Track Ultra 
series audio interfaces work flawlessly in Linux except for missing 
mixer support:

Am 06.07.2010 10:05, schrieb Felix Homann:
> This fixes issues with M-Audio's Fast Track Ultra series:
> * devices now work at 44100 and 88200 Hz
> * apparently, fixes some crashes, too

Unfortunately, the patch didn't make it into Alsa so far. Clemens 
Ladisch seemed reluctant to apply a fixed endpoint quirk since the 
device should have worked without in his opinion. I gave him all the 
requested information to see what was happening without the fixed 
endpoint quirk. I never heard back from him again.

So, could someone in charge kindly tell me why the patch didn't make it 
into Alsa? What's missing, what's wrong?

If it's just the fact that Clemens doesn't like the fixed endpoint quirk 
please find attached a different patch yielding the same result. 
(Against Linux 2.6.35. It's again from dhubsith who posted it on the 
M-Audio forum. He would sign it off if requested - on the other hand it 
is already derived work of the Alsa sources).

And please, if it's not going anywhere, please tell us "laymen, 
volunteer Alsa helpers" about the reasons.

The current situation is most frustrating: We know how to make the 
device work (much better than in Windows, btw) but we don't know why we 
have to patch alsa again and again.

Thanks in advance,


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