179 	struct snd_pcm_substream *substream;  in agdev_iso_complete()  local
195 	substream = prm->ss;  in agdev_iso_complete()
198 	if (!substream)  in agdev_iso_complete()
203 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in agdev_iso_complete()
240 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in agdev_iso_complete()
263 		snd_pcm_period_elapsed(substream);  in agdev_iso_complete()
269 uac2_pcm_trigger(struct snd_pcm_substream *substream, int cmd)  in uac2_pcm_trigger()  argument
271 	struct snd_uac2_chip *uac2 = snd_pcm_substream_chip(substream);  in uac2_pcm_trigger()
276 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in uac2_pcm_trigger()
289 		prm->ss = substream;  in uac2_pcm_trigger()
302 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK && !prm->ss)  in uac2_pcm_trigger()
308 static snd_pcm_uframes_t uac2_pcm_pointer(struct snd_pcm_substream *substream)  in uac2_pcm_pointer()  argument
310 	struct snd_uac2_chip *uac2 = snd_pcm_substream_chip(substream);  in uac2_pcm_pointer()
313 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in uac2_pcm_pointer()
318 	return bytes_to_frames(substream->runtime, prm->hw_ptr);  in uac2_pcm_pointer()
321 static int uac2_pcm_hw_params(struct snd_pcm_substream *substream,  in uac2_pcm_hw_params()  argument
324 	struct snd_uac2_chip *uac2 = snd_pcm_substream_chip(substream);  in uac2_pcm_hw_params()
328 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in uac2_pcm_hw_params()
333 	err = snd_pcm_lib_malloc_pages(substream,  in uac2_pcm_hw_params()
336 		prm->dma_bytes = substream->runtime->dma_bytes;  in uac2_pcm_hw_params()
337 		prm->dma_area = substream->runtime->dma_area;  in uac2_pcm_hw_params()
344 static int uac2_pcm_hw_free(struct snd_pcm_substream *substream)  in uac2_pcm_hw_free()  argument
346 	struct snd_uac2_chip *uac2 = snd_pcm_substream_chip(substream);  in uac2_pcm_hw_free()
349 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in uac2_pcm_hw_free()
358 	return snd_pcm_lib_free_pages(substream);  in uac2_pcm_hw_free()
361 static int uac2_pcm_open(struct snd_pcm_substream *substream)  in uac2_pcm_open()  argument
363 	struct snd_uac2_chip *uac2 = snd_pcm_substream_chip(substream);  in uac2_pcm_open()
364 	struct snd_pcm_runtime *runtime = substream->runtime;  in uac2_pcm_open()
383 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in uac2_pcm_open()
428 static int uac2_pcm_null(struct snd_pcm_substream *substream)  in uac2_pcm_null()  argument