Re: [PATCH 01/20] ASoC: soc-pcm.c: indicate error if stream has no playback no capture

18 May 2023

      On 5/18/2023 7:46 AM, Kuninori Morimoto wrote:
...
soc_get_playback_capture() (A) returns number of substreams for
playback/capture (B).
ASoC will probe the Sound Card and mapps CPU<->Codec pair.
(A)	static int soc_get_playback_capture(...,
(B)				    int *playback, int *capture)
   {
   	...
   	if (rtd->dai_link->playback_only) {
   		*playback = 1;
   		*capture = 0;
   	}
if (rtd->dai_link->capture_only) {
	*playback = 0;
	*capture = 1;
}

(C)
   	return 0;
   }
But it might be no playback no capture if it returns playback=0, capture=0.
It is very difficult to notice about it. This patch indicates error at (C)
then.
Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com
Reviewed-by: Amadeusz Sławiński amadeuszx.slawinski@linux.intel.com