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Date:   Thu, 19 Sep 2019 16:48:58 -0700
From:   Nicolin Chen <nicoleotsuka@gmail.com>
To:     Shengjiu Wang <shengjiu.wang@nxp.com>
Cc:     timur@kernel.org, Xiubo.Lee@gmail.com, festevam@gmail.com,
        lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz,
        tiwai@suse.com, alsa-devel@alsa-project.org,
        linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
        robh+dt@kernel.org, mark.rutland@arm.com,
        devicetree@vger.kernel.org, lars@metafoo.de
Subject: Re: [PATCH V3 2/4] ASoC: fsl_asrc: update supported sample format
Message-ID: <20190919234857.GA14287@Asurada-Nvidia.nvidia.com>
References: <cover.1568861098.git.shengjiu.wang@nxp.com>
 <5811f393692a7668564fd4b9ef5708c1e3db8dc0.1568861098.git.shengjiu.wang@nxp.com>
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On Thu, Sep 19, 2019 at 08:11:40PM +0800, Shengjiu Wang wrote:
> The ASRC support 24bit/16bit/8bit input width, which is
> data width, not slot width.
> 
> For the S20_3LE format, the data with is 20bit, slot width
> is 24bit, if we set ASRMCR1n.IWD to be 24bits, the result
> is the volume is lower than expected, it likes 24bit data
> right shift 4 bits
> 
> So replace S20_3LE with S24_3LE in supported list and add S8
> format in TX supported list
> 
> Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>

Acked-by: Nicolin Chen <nicoleotsuka@gmail.com>

> ---
>  sound/soc/fsl/fsl_asrc.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c
> index 4d3804a1ea55..584badf956d2 100644
> --- a/sound/soc/fsl/fsl_asrc.c
> +++ b/sound/soc/fsl/fsl_asrc.c
> @@ -624,7 +624,7 @@ static int fsl_asrc_dai_probe(struct snd_soc_dai *dai)
>  
>  #define FSL_ASRC_FORMATS	(SNDRV_PCM_FMTBIT_S24_LE | \
>  				 SNDRV_PCM_FMTBIT_S16_LE | \
> -				 SNDRV_PCM_FMTBIT_S20_3LE)
> +				 SNDRV_PCM_FMTBIT_S24_3LE)
>  
>  static struct snd_soc_dai_driver fsl_asrc_dai = {
>  	.probe = fsl_asrc_dai_probe,
> @@ -635,7 +635,8 @@ static struct snd_soc_dai_driver fsl_asrc_dai = {
>  		.rate_min = 5512,
>  		.rate_max = 192000,
>  		.rates = SNDRV_PCM_RATE_KNOT,
> -		.formats = FSL_ASRC_FORMATS,
> +		.formats = FSL_ASRC_FORMATS |
> +			   SNDRV_PCM_FMTBIT_S8,
>  	},
>  	.capture = {
>  		.stream_name = "ASRC-Capture",
> -- 
> 2.21.0
>