Re: [PATCH 12/13] ASoC: amd: acp: Add pci legacy driver support for acp7.0 platform

[Amadeusz Sławiński]

On 10/21/2023 4:50 PM, Syed Saba Kareem wrote:
> Add pci legacy driver support and create platform driver for
> acp7.0 platform.
>
> Signed-off-by: Syed Saba Kareem <Syed.SabaKareem@xxxxxxx>
> ---

...

> +
> +static struct snd_soc_dai_driver acp70_dai[] = {
> +{
> +	.name = "acp-i2s-sp",
> +	.id = I2S_SP_INSTANCE,
> +	.playback = {
> +		.stream_name = "I2S SP Playback",
> +		.rates = SNDRV_PCM_RATE_8000_96000,
> +		.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
> +			   SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,

Any reason to not go from lowest bit width to higher? Similarly in 
further definitions.

> +		.channels_min = 2,
> +		.channels_max = 8,
> +		.rate_min = 8000,
> +		.rate_max = 96000,
> +	},

...

> +
> +static int __maybe_unused acp70_pcm_resume(struct device *dev)
> +{
> +	struct acp_dev_data *adata = dev_get_drvdata(dev);
> +	struct acp_stream *stream;
> +	struct snd_pcm_substream *substream;
> +	snd_pcm_uframes_t buf_in_frames;
> +	u64 buf_size;
> +
> +	spin_lock(&adata->acp_lock);
> +	list_for_each_entry(stream, &adata->stream_list, list) {
> +		if (stream) {
> +			substream = stream->substream;
> +			if (substream && substream->runtime) {
> +				buf_in_frames = (substream->runtime->buffer_size);
> +				buf_size = frames_to_bytes(substream->runtime, buf_in_frames);
> +				config_pte_for_stream(adata, stream);
> +				config_acp_dma(adata, stream, buf_size);
> +				if (stream->dai_id)
> +					restore_acp_i2s_params(substream, adata, stream);
> +				else
> +					restore_acp_pdm_params(substream, adata);
> +			}
> +		}
> +	}
> +		spin_unlock(&adata->acp_lock);
> +		return 0;

Indentation is wrong in above two lines.

> +}
> +
> +static const struct dev_pm_ops acp70_dma_pm_ops = {
> +	SET_SYSTEM_SLEEP_PM_OPS(NULL, acp70_pcm_resume)
> +};
> +