Re: [PATCH 06/15] ASoC: Intel: replace dpcm_playback/capture to playback/capture_only

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Hi Morimoto-san,

> soc_get_playback_capture() is now handling DPCM and normal comprehensively
> for playback/capture stream. We can use playback/capture_only flag
> instead of using dpcm_playback/capture. This patch replace these.

This patch no longer applies since Mark merged
"[PATCH 00/21] ASoC: Intel: boards: updates for 6.10 - part1"

https://lore.kernel.org/linux-sound/20240325221059.206042-1-pierre-louis.bossart@xxxxxxxxxxxxxxx/

The odds of additional conflicts are very high due to the number of
queued changes in machine drivers, I really don't know how we're going
to find the time to solve those conflicts and test experimental
versions, while we're also busy checking the 6.9-rc1 transition.

In addition, I have a bit of heartburn with the concept of flipping the
logic from a clear description of playback or capture supported, to an
implicit 'both supported unless stated otherwise'. We are going to miss
some cases and have regressions, it's pretty much a given.

And then there are cases such as the following examples

> @@ -496,8 +494,6 @@ static struct snd_soc_dai_link cml_rt1011_rt5682_dailink[] = {
>  		 */
>  		.name = "SSP1-Codec",
>  		.id = 6,
> -		.dpcm_playback = 1,
> -		.dpcm_capture = 1, /* Capture stream provides Feedback */
>  		.no_pcm = 1,
>  		.init = cml_rt1011_spk_init,
>  		.ops = &cml_rt1011_ops,

> @@ -293,8 +291,6 @@ int sof_intel_board_set_ssp_amp_link(struct device *dev,
>  
>  	link->id = be_id;
>  	link->no_pcm = 1;
> -	link->dpcm_capture = 1; /* feedback stream or firmware-generated echo reference */
> -	link->dpcm_playback = 1;
>  
>  	return 0;
>  }

> diff --git a/sound/soc/intel/boards/sof_da7219.c b/sound/soc/intel/boards/sof_da7219.c
> index 6eb5a6144e97..c7cca3e47ed9 100644
> --- a/sound/soc/intel/boards/sof_da7219.c
> +++ b/sound/soc/intel/boards/sof_da7219.c
> @@ -296,8 +296,6 @@ static struct snd_soc_dai_link jsl_dais[] = {
>  		.id = 0,
>  		.ignore_pmdown_time = 1,
>  		.no_pcm = 1,
> -		.dpcm_playback = 1,
> -		.dpcm_capture = 1, /* IV feedback */
>  		SND_SOC_DAILINK_REG(ssp1_pin, max_98373_components, platform),

where we lose comments on what the capture stream is. That's not so
good, we added those comments on purpose to explain that the capture
stream isn't a regular PCM format, I don't see a good reason to see them go?



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