Re: [PATCH 09/13] ASoC: Intel: avs: drop SNDRV_PCM_RATE_KNOT

[Cezary Rojewski <cezary.rojewski@intel.com>]

On 2024-09-05 4:13 PM, Jerome Brunet wrote:
> The custom rate constraint list was necessary to support 12kHz, 24kHz and
> 128kHz. These rates are now available through SNDRV_PCM_RATE_12000,
> SNDRV_PCM_RATE_24000 and SNDRV_PCM_RATE_128000.
> 
> Use them and drop the custom rate constraint rule.
> 
> Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
> ---

Thank you for this cleanup.

Reviewed-by: Cezary Rojewski <cezary.rojewski@intel.com>

>   sound/soc/intel/avs/pcm.c | 22 ++++++----------------
>   1 file changed, 6 insertions(+), 16 deletions(-)
> 
> diff --git a/sound/soc/intel/avs/pcm.c b/sound/soc/intel/avs/pcm.c
> index c76b86254a8b..afc0fc74cf94 100644
> --- a/sound/soc/intel/avs/pcm.c
> +++ b/sound/soc/intel/avs/pcm.c
> @@ -471,16 +471,6 @@ static int hw_rule_param_size(struct snd_pcm_hw_params *params, struct snd_pcm_h
>   static int avs_pcm_hw_constraints_init(struct snd_pcm_substream *substream)
>   {
>   	struct snd_pcm_runtime *runtime = substream->runtime;
> -	static const unsigned int rates[] = {
> -		8000, 11025, 12000, 16000,
> -		22050, 24000, 32000, 44100,
> -		48000, 64000, 88200, 96000,
> -		128000, 176400, 192000,
> -	};
> -	static const struct snd_pcm_hw_constraint_list rate_list = {
> -		.count = ARRAY_SIZE(rates),
> -		.list = rates,
> -	};
>   	int ret;
>   
>   	ret = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
> @@ -492,10 +482,6 @@ static int avs_pcm_hw_constraints_init(struct snd_pcm_substream *substream)
>   	if (ret < 0)
>   		return ret;
>   
> -	ret = snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &rate_list);
> -	if (ret < 0)
> -		return ret;
> -
>   	/* Adjust buffer and period size based on the audio format. */
>   	snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, hw_rule_param_size, NULL,
>   			    SNDRV_PCM_HW_PARAM_FORMAT, SNDRV_PCM_HW_PARAM_CHANNELS,
> @@ -1332,7 +1318,9 @@ static const struct snd_soc_dai_driver i2s_dai_template = {
>   		.channels_min	= 1,
>   		.channels_max	= 8,
>   		.rates		= SNDRV_PCM_RATE_8000_192000 |
> -				  SNDRV_PCM_RATE_KNOT,
> +				  SNDRV_PCM_RATE_12000 |
> +				  SNDRV_PCM_RATE_24000 |
> +				  SNDRV_PCM_RATE_128000,
>   		.formats	= SNDRV_PCM_FMTBIT_S16_LE |
>   				  SNDRV_PCM_FMTBIT_S32_LE,
>   		.subformats	= SNDRV_PCM_SUBFMTBIT_MSBITS_20 |
> @@ -1343,7 +1331,9 @@ static const struct snd_soc_dai_driver i2s_dai_template = {
>   		.channels_min	= 1,
>   		.channels_max	= 8,
>   		.rates		= SNDRV_PCM_RATE_8000_192000 |
> -				  SNDRV_PCM_RATE_KNOT,
> +				  SNDRV_PCM_RATE_12000 |
> +				  SNDRV_PCM_RATE_24000 |
> +				  SNDRV_PCM_RATE_128000,
>   		.formats	= SNDRV_PCM_FMTBIT_S16_LE |
>   				  SNDRV_PCM_FMTBIT_S32_LE,
>   		.subformats	= SNDRV_PCM_SUBFMTBIT_MSBITS_20 |
>