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[PATCH 2/2] ASoC: mediatek: mt7986: add sample rate checker

Maso Huang posted 2 patches 2 years, 3 months ago
There is a newer version of this series
[PATCH 2/2] ASoC: mediatek: mt7986: add sample rate checker
Posted by Maso Huang 2 years, 3 months ago 
mt7986 only supports 8/12/16/24/32/48/96/192 kHz

Signed-off-by: Maso Huang <maso.huang@mediatek.com>
---
 sound/soc/mediatek/mt7986/mt7986-dai-etdm.c | 22 +++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/sound/soc/mediatek/mt7986/mt7986-dai-etdm.c b/sound/soc/mediatek/mt7986/mt7986-dai-etdm.c
index e523d33846fe..270852ce3dd9 100644
--- a/sound/soc/mediatek/mt7986/mt7986-dai-etdm.c
+++ b/sound/soc/mediatek/mt7986/mt7986-dai-etdm.c
@@ -237,12 +237,26 @@ static int mtk_dai_etdm_hw_params(struct snd_pcm_substream *substream,
 				  struct snd_pcm_hw_params *params,
 				  struct snd_soc_dai *dai)
 {
+	unsigned int rate = params_rate(params);
 	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
 
-	mtk_dai_etdm_config(afe, params, dai, SNDRV_PCM_STREAM_PLAYBACK);
-	mtk_dai_etdm_config(afe, params, dai, SNDRV_PCM_STREAM_CAPTURE);
-
-	return 0;
+	switch (rate) {
+	case 8000:
+	case 12000:
+	case 16000:
+	case 24000:
+	case 32000:
+	case 48000:
+	case 96000:
+	case 192000:
+		mtk_dai_etdm_config(afe, params, dai, SNDRV_PCM_STREAM_PLAYBACK);
+		mtk_dai_etdm_config(afe, params, dai, SNDRV_PCM_STREAM_CAPTURE);
+		return 0;
+	default:
+		dev_warn(afe->dev, "%s(), sample rate: %d is not supported\n", __func__, rate);
+		dev_warn(afe->dev, "%s(), only support 8/12/16/24/32/48/96/192 kHz\n", __func__);
+		return -EINVAL;
+	}
 }
 
 static int mtk_dai_etdm_trigger(struct snd_pcm_substream *substream, int cmd,
-- 
2.18.0
Re: [PATCH 2/2] ASoC: mediatek: mt7986: add sample rate checker
Posted by AngeloGioacchino Del Regno 2 years, 3 months ago 
Il 23/10/23 11:54, Maso Huang ha scritto:
> mt7986 only supports 8/12/16/24/32/48/96/192 kHz
> 
> Signed-off-by: Maso Huang <maso.huang@mediatek.com>
> ---
>   sound/soc/mediatek/mt7986/mt7986-dai-etdm.c | 22 +++++++++++++++++----
>   1 file changed, 18 insertions(+), 4 deletions(-)
> 
> diff --git a/sound/soc/mediatek/mt7986/mt7986-dai-etdm.c b/sound/soc/mediatek/mt7986/mt7986-dai-etdm.c
> index e523d33846fe..270852ce3dd9 100644
> --- a/sound/soc/mediatek/mt7986/mt7986-dai-etdm.c
> +++ b/sound/soc/mediatek/mt7986/mt7986-dai-etdm.c
> @@ -237,12 +237,26 @@ static int mtk_dai_etdm_hw_params(struct snd_pcm_substream *substream,
>   				  struct snd_pcm_hw_params *params,
>   				  struct snd_soc_dai *dai)
>   {
> +	unsigned int rate = params_rate(params);
>   	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
>   
> -	mtk_dai_etdm_config(afe, params, dai, SNDRV_PCM_STREAM_PLAYBACK);
> -	mtk_dai_etdm_config(afe, params, dai, SNDRV_PCM_STREAM_CAPTURE);
> -
> -	return 0;
> +	switch (rate) {
> +	case 8000:
> +	case 12000:
> +	case 16000:
> +	case 24000:
> +	case 32000:
> +	case 48000:
> +	case 96000:
> +	case 192000:
> +		mtk_dai_etdm_config(afe, params, dai, SNDRV_PCM_STREAM_PLAYBACK);
> +		mtk_dai_etdm_config(afe, params, dai, SNDRV_PCM_STREAM_CAPTURE);
> +		return 0;
> +	default:
> +		dev_warn(afe->dev, "%s(), sample rate: %d is not supported\n", __func__, rate);
> +		dev_warn(afe->dev, "%s(), only support 8/12/16/24/32/48/96/192 kHz\n", __func__);

That's better:

dev_err(afe->dev,
	"Sample rate %d invalid. Supported rates: 8/12/16/24/32/48/96/192 kHz\n",
	rate, __func__);

after which,

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

Regards,
Angelo
Re: [PATCH 2/2] ASoC: mediatek: mt7986: add sample rate checker
Posted by Maso Huang (黃加竹) 2 years, 3 months ago 
On Mon, 2023-10-23 at 13:07 +0200, AngeloGioacchino Del Regno wrote:
> Il 23/10/23 11:54, Maso Huang ha scritto:
> > mt7986 only supports 8/12/16/24/32/48/96/192 kHz
> > 
> > Signed-off-by: Maso Huang <maso.huang@mediatek.com>
> > ---
> >   sound/soc/mediatek/mt7986/mt7986-dai-etdm.c | 22
> > +++++++++++++++++----
> >   1 file changed, 18 insertions(+), 4 deletions(-)
> > 
> > diff --git a/sound/soc/mediatek/mt7986/mt7986-dai-etdm.c
> > b/sound/soc/mediatek/mt7986/mt7986-dai-etdm.c
> > index e523d33846fe..270852ce3dd9 100644
> > --- a/sound/soc/mediatek/mt7986/mt7986-dai-etdm.c
> > +++ b/sound/soc/mediatek/mt7986/mt7986-dai-etdm.c
> > @@ -237,12 +237,26 @@ static int mtk_dai_etdm_hw_params(struct
> > snd_pcm_substream *substream,
> >   				  struct snd_pcm_hw_params *params,
> >   				  struct snd_soc_dai *dai)
> >   {
> > +	unsigned int rate = params_rate(params);
> >   	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
> >   
> > -	mtk_dai_etdm_config(afe, params, dai,
> > SNDRV_PCM_STREAM_PLAYBACK);
> > -	mtk_dai_etdm_config(afe, params, dai,
> > SNDRV_PCM_STREAM_CAPTURE);
> > -
> > -	return 0;
> > +	switch (rate) {
> > +	case 8000:
> > +	case 12000:
> > +	case 16000:
> > +	case 24000:
> > +	case 32000:
> > +	case 48000:
> > +	case 96000:
> > +	case 192000:
> > +		mtk_dai_etdm_config(afe, params, dai,
> > SNDRV_PCM_STREAM_PLAYBACK);
> > +		mtk_dai_etdm_config(afe, params, dai,
> > SNDRV_PCM_STREAM_CAPTURE);
> > +		return 0;
> > +	default:
> > +		dev_warn(afe->dev, "%s(), sample rate: %d is not
> > supported\n", __func__, rate);
> > +		dev_warn(afe->dev, "%s(), only support
> > 8/12/16/24/32/48/96/192 kHz\n", __func__);
> 
> That's better:
> 
> dev_err(afe->dev,
> 	"Sample rate %d invalid. Supported rates:
> 8/12/16/24/32/48/96/192 kHz\n",
> 	rate, __func__);
> 
> after which,
> 
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@collabora.com>
> 
> Regards,
> Angelo
> 
> 

Hi Angelo,

Thanks for your review!
I'll refine it in v2.

Best regards,
Maso

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