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SubjectRe: [PATCH v3 1/4] ASoC: fsl_asrc: Change asrc_width to asrc_format
On Thu, Feb 27, 2020 at 01:10:19PM +0800, Shengjiu Wang wrote:
> On Thu, Feb 27, 2020 at 11:43 AM Nicolin Chen <nicoleotsuka@gmail.com> wrote:
> >
> > On Thu, Feb 27, 2020 at 10:41:55AM +0800, Shengjiu Wang wrote:
> > > asrc_format is more inteligent variable, which is align
> > > with the alsa definition snd_pcm_format_t.
> > >
> > > Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
> > > ---
> > > sound/soc/fsl/fsl_asrc.c | 23 +++++++++++------------
> > > sound/soc/fsl/fsl_asrc.h | 4 ++--
> > > sound/soc/fsl/fsl_asrc_dma.c | 2 +-
> > > 3 files changed, 14 insertions(+), 15 deletions(-)
> > >
> > > diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c
> > > index 0dcebc24c312..2b6a1643573c 100644
> > > --- a/sound/soc/fsl/fsl_asrc.c
> > > +++ b/sound/soc/fsl/fsl_asrc.c
> >
> > > @@ -600,11 +599,6 @@ static int fsl_asrc_dai_hw_params(struct snd_pcm_substream *substream,
> > >
> > > pair->config = &config;
> > >
> > > - if (asrc_priv->asrc_width == 16)
> > > - format = SNDRV_PCM_FORMAT_S16_LE;
> > > - else
> > > - format = SNDRV_PCM_FORMAT_S24_LE;
> >
> > It feels better to me that we have format settings in hw_params().
> >
> > Why not let fsl_easrc align with this? Any reason that I'm missing?
>
> because the asrc_width is not formal, in the future we can direct

Hmm..that's our DT binding. And I don't feel it is a problem
to be ASoC irrelative.

> input the format from the dts. format involve the info about width.

Is there such any formal ASoC binding? I don't see those PCM
formats under include/dt-bindings/ folder. How are we going
to involve those formats in DT?

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