Re: [PATCH 2/7] ALSA: core: add .update_appl_ptr callback for pcm ops

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On Fri, Sep 30, 2016 at 03:24:59PM +0200, Takashi Iwai wrote:
> On Fri, 30 Sep 2016 14:43:25 +0200,
> Subhransu S. Prusty wrote:
> > 
> > From: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
> > 
> > When appl_ptr is updated let low-level driver know, e.g.  to let the
> > low-level driver/hardware pre-fetch data opportunistically.
> > 
> > The existing .ack callback could be used but it would need to be
> > extended with new arguments, resulting in multiple changes in legacy
> > code.
> 
> I wouldn't mind changing these callers.  They aren't so many, after
> all. 

Yes this was one of the discussions we had in the past. I don't recall the
conclusion so had recommened to keep as is and discuss here.

Do you think it's better to do that or use a new one :)
-- 
~Vinod
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