Re: [PATCH] make snd-aloop loopback device work

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At Wed, 20 Dec 2006 23:58:11 +0100,
Ahmet İnan wrote:
> 
> ive merged the previously mentioned 2 working implementations into one file
> and made them switchable thru preprocessor directives.
> the secure one is the default.
> 
> its now fullduplex, this means:
> 
> aplay -D hw:0,0 lala.wav
> ecasound -i:alsahw,0,1,0
> 
> works exactly the same like:
> 
> aplay -D hw:0,1 lala.wav
> ecasound -i:alsahw,0,0,0
> 
> it would be nice if it could be included in the tree, so that other ppl can
> test this and yell at me when something is wrong.
> 
> still need to workout this pcm_jiffies problem, but when its done then i will
> also provide an patch for dummy.c, couse it suffers the same problem on
> HZ > 100 kernels.

Thanks for the patch.  The changes look almost good to me.

One of my remaining concern in this code is the case where hw_params
are different on playback and capture sides.  Did you test that case?

Anyway, Jaroslav should have some ideas about the implementation, as
he initiated this driver...


Takashi

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