Re: handling rate change on digital inputs?

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On Tue, 30 May 2006, Johannes Berg wrote:

> On Tue, 2006-05-30 at 16:07 +0200, Jaroslav Kysela wrote:
> 
> > Yes, the stream must go to the DRAINING state immediately when rate (or 
> > other parameter) does not match (it's good to check this condition in the 
> > interrupt handler) and trigger() callback must return -EIO in this case 
> > when stream is requested to come up (START, PAUSE_RELEASE or RESUME).
> 
> Do you know if there's any sample code for this somewhere? Or if any
> drivers implement this properly?

Check pdaudiocf_pcm.c and i2c/other/ak4117.c.

					Jaroslav

-----
Jaroslav Kysela <perex@xxxxxxx>
Linux Kernel Sound Maintainer
ALSA Project, SUSE Labs


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