On Fri, May 29, 2020 at 12:10:26PM +0800, zhucancan wrote: > +++ b/sound/soc/soc-pcm.c > @@ -2730,12 +2730,12 @@ static int dpcm_run_update_startup(struct snd_soc_pcm_runtime *fe, int stream) > close: > dpcm_be_dai_shutdown(fe, stream); > disconnect: > - /* disconnect any non started BEs */ > + /* disconnect any closed BEs */ Your mailer has corrupted the patch (it looks like it replaced tabs with spaces).