play_substream    516 sound/i2c/cs8427.c 			    struct snd_pcm_substream *play_substream,
play_substream    524 sound/i2c/cs8427.c 	if (snd_BUG_ON(!play_substream || !cap_substream))
play_substream    530 sound/i2c/cs8427.c 		kctl->id.device = play_substream->pcm->device;
play_substream    531 sound/i2c/cs8427.c 		kctl->id.subdevice = play_substream->number;
play_substream    540 sound/i2c/cs8427.c 	chip->playback.substream = play_substream;