Re: [PATCH] ASoC: soc-pcm: add the judgment of unsupported commands for the function soc_pcm_trigger

[Mark Brown]

On Fri, Mar 08, 2024 at 06:07:06PM +0800, xuhanwu wrote:

> Function soc_pcm_trigger, if the parameter cmd does not support the need to return an error (-EINVAL).

Please fix your mail client to word wrap within paragraphs at something
substantially less than 80 columns.  Doing this makes your messages much
easier to read and reply to.

> @@ -1173,6 +1173,9 @@ static int soc_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
>  			if (r < 0)
>  				break;
>  		}
> +		break;
> +	default:
> +		return -EINVAL;
>  	}

As can be seen from inspection of the immediately preceeding handling
of start, we're deliberately ignoring half the values in each switch.

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