[alsa-devel] [PATCH V5 2/3] ASoC: fsl_asrc: replace the process_option table with function

Nicolin Chen nicoleotsuka at gmail.com
Mon Apr 22 04:57:19 CEST 2019


On Mon, Apr 22, 2019 at 02:32:35AM +0000, S.j. Wang wrote:
> When we want to support more sample rate, for example 12kHz/24kHz
> we need update the process_option table, if we want to support more
> sample rate next time, the table need to be updated again. which
> is not flexible.
> 
> We got a function fsl_asrc_sel_proc to replace the table, which can
> give the pre-processing and post-processing options according to
> the sample rate.
> 
> Signed-off-by: Shengjiu Wang <shengjiu.wang at nxp.com>

A couple of more small comments.

And please add this when you resend:
Acked-by: Nicolin Chen <nicoleotsuka at gmail.com>

> + * Unsupport cases: Tsout > 8.125 * Tsin, Tsout > 16.125 * Tsin

Since we have a ratio validation somewhere else, it's okay to
drop this line -- it may confuse people since the function no
longer checks these unsupported cases.

> +static int fsl_asrc_sel_proc(int inrate, int outrate,

I think "void" type should be just fine as we made sure there
is no unsupported cases running in this function.


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