[alsa-devel] [PATCH] ALSA: core: Add 384kHz Support

Brian Austin brian.austin at cirrus.com
Wed Jan 27 16:02:35 CET 2016


On Wed, 27 Jan 2016, Takashi Iwai wrote:

> > So we stay at SNDRV_PCM_RATE_192000 always for sample rate defines?
> > And everything else is just covered with SNDRV_PCM_RATE_KNOT? 
> 
> Depends.  If a new sample rate is (or will be) demanded by many
> drivers, it's worth to add it, of course, as it would simplify the
> code.
> 
> That's why I mentioned "why" is most important information; you need
> to convince others about the necessity of this change, after all.
> Then you see that "because I-wanna-it" doesn't sound convincing
> enough, right?
> 
> 
> Takashi
> 
I really, really, really want it :)

I understand. Going forward, from our perspective, 384 and 
other high sample rates are going to be defaults for devices as the market 
is moving that way. I just wanted to make it easier to use those instead 
of doing all the contraint coding. Now my understanding on the KNOT define 
may be wrong. I can add the other rates to this, but for now just wanted 
to add one we use currently.

Does that make sense? 


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