[alsa-devel] [PATCH] ALSA: Add rate defines for 352k8 and 384k

Charles Keepax ckeepax at opensource.wolfsonmicro.com
Tue Jun 7 14:26:31 CEST 2016


On Sun, Jun 05, 2016 at 03:35:01PM +0100, DigitalDreamtime wrote:
> Add SNDRV_PCM_RATE_352800 and SNDRV_PCM_RATE_384000 defines to pcm.h,
>  for 352k8 and 384k sample rates.
> 
> Add SNDRV_PCM_RATE_8000_384000 define to pcm.h.
> 
> Update rates list in pcm_native.c.
> 
> Yes, we can use CONTINUOUS/KNOT and constraints, to support the x8
>  sample rates, but having the defines requires less code in drivers.
> Many more DAC chips are now supporting the x8 44k1/48k multiples.
> >From a high-res viewpoint, the DXD standard is 352k8, 24 bit.
> That alone should justify the addition of a define for it.
> 
> Signed-off-by: DigitalDreamtime <clive.messer at digitaldreamtime.co.uk>
> ---

Certainly looks like these rates are going to become pretty
widely used from our side so for what is worth:

Acked-by: Charles Keepax <ckeepax at opensource.wolfsonmicro.com>

I am sure Brian would weight in on the side of this one as
well but he is on holiday this week.

Thanks,
Charles


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