sound/usb/pcm.c

1219 	subs->pcm_substream = substream;
1255 	subs->pcm_substream = NULL;
1269 	struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime;
1334 		snd_pcm_period_elapsed(subs->pcm_substream);
1352 	struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime;
1409 	struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime;
1426 	struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime;
1474 	struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime;
1593 			snd_pcm_period_elapsed_under_stream_lock(subs->pcm_substream);
1595 			snd_pcm_period_elapsed(subs->pcm_substream);
1626 		snd_pcm_period_elapsed(subs->pcm_substream);