Re: trigger problems.

[James Courtier-Dutton <James@superbug.demon.co.uk>]

Takashi Iwai wrote:
> 
> 
> We can do it with linked substreams.
> For example, see ice1724 driver (snc_ice1724_pcm_trigger).
> 
> Basically, the trigger callback checks each substream belonging to the
> called substream via snd_pcm_group_for_each().  If it's one of yours,
> stamp it via snd_pcm_trigger_done(), so that the trigger callback to
> this substream will be skipped.
> 
> BTW, both two cases above can coexist.
> ice1724 drivers has two PCM devices, one for multi-channel up to 8 and
> another for three indepdent 2ch-stereo streams.
> 
> 
> Takashi
> 
> 

Thanks for the info. I implemented it, so that there is only one trigger 
register access for all 3 substreams, but even that did not help. I 
still have multiple interrrupts. I suppose it was worth a try.

I will have to think of something else.

Thanks

James


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