Question about DPCM private_data of soc-compress.c

Charles Keepax ckeepax at opensource.cirrus.com
Mon Jan 23 13:01:34 CET 2023


On Mon, Jan 23, 2023 at 03:08:49AM +0000, Kuninori Morimoto wrote:
> 
> Hi ALSA ML
> 
> I'm not familiar with soc-compress.c, but I think dpcm_capture case don't need "else" ?
> I think it is same as soc-pcm.c :: soc_new_pcm().
> I'm happy to post patch if someone acknowledge this question.
> 
> 	--- soc-compress.c --------
> 	int snd_soc_new_compress(...)
> 	{
> 		...
> 		if (rtd->dai_link->dynamic) {
> 			...
> 			if (rtd->dai_link->dpcm_playback)
> 				be_pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream->private_data = rtd;
> -			else if (rtd->dai_link->dpcm_capture)
> +			if (rtd->dai_link->dpcm_capture)
> 				be_pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream->private_data = rtd;
> 			...
> 		}
> 		...
> 	}
> 
> 	--- soc-pcm.c ---------------
> 	int soc_new_pcm(...)
> 	{
> 		...
> 		if (rtd->dai_link->no_pcm || rtd->dai_link->params) {
> 			if (playback)
> 				pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream->private_data = rtd;
> =>			if (capture)
> 				pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream->private_data = rtd;
> 			goto out;
> 		}
> 		...
> 	}
> 

I would certainly agree, pretty sure the else is redundant.

Thanks,
Charles


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