Re: pcm_multi poll timeout error

[John Rigg <ad@carbon-black.co.uk>]

On Fri, Dec 09, 2005 at 12:55:27PM -0500, Jeremy Hall wrote:
> In the new year, John Rigg wrote:
> > On Fri, Dec 09, 2005 at 12:40:05PM +0100, Takashi Iwai wrote:
> > > The link_fd returns the file descriptor for linking multiple PCM
> > > streams.  If you comment it out, it means that no link is possible.
> > > It means that snd_pcm_link() didn't do anything in fact after your
> > > patch.
> > 
> > I can't understand why this works after my patch broke snd_pcm_link .
>
> It probably works because the rme cards are synced by an external means 
> such as word clock or the entity they are connected to has master sync

Makes sense. So, the situation appears to be:
1 - The link code is unnecessary for duplex operation of multiple
clock-synchronised sound cards with jackd.
2 - It breaks the above when present.

John


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