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

[Lars-Peter Clausen]

On 01/27/2016 04:51 PM, Takashi Iwai wrote:
> On Wed, 27 Jan 2016 16:02:35 +0100,
> Brian Austin wrote:
>>
>> 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.
> 
> Yeah that's the reason I could *guess*, but it wasn't mentioned.
> 
>> 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? 
> 
> Just resubmit the patch with mo' better advertisement :)

For symmetry reasons maybe also include the matching 44.1kHz based rate.
Unless you think that is not going to be a thing.