95 	struct snd_pcm_substream *substream;  in u_audio_iso_complete()  local
112 	substream = prm->ss;  in u_audio_iso_complete()
115 	if (!substream)  in u_audio_iso_complete()
118 	snd_pcm_stream_lock_irqsave(substream, flags2);  in u_audio_iso_complete()
120 	runtime = substream->runtime;  in u_audio_iso_complete()
121 	if (!runtime || !snd_pcm_running(substream)) {  in u_audio_iso_complete()
122 		snd_pcm_stream_unlock_irqrestore(substream, flags2);  in u_audio_iso_complete()
128 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in u_audio_iso_complete()
159 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in u_audio_iso_complete()
184 	snd_pcm_stream_unlock_irqrestore(substream, flags2);  in u_audio_iso_complete()
186 	if ((hw_ptr % snd_pcm_lib_period_bytes(substream)) < req->actual)  in u_audio_iso_complete()
187 		snd_pcm_period_elapsed(substream);  in u_audio_iso_complete()
194 static int uac_pcm_trigger(struct snd_pcm_substream *substream, int cmd)  in uac_pcm_trigger()  argument
196 	struct snd_uac_chip *uac = snd_pcm_substream_chip(substream);  in uac_pcm_trigger()
206 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in uac_pcm_trigger()
219 		prm->ss = substream;  in uac_pcm_trigger()
232 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK && !prm->ss)  in uac_pcm_trigger()
238 static snd_pcm_uframes_t uac_pcm_pointer(struct snd_pcm_substream *substream)  in uac_pcm_pointer()  argument
240 	struct snd_uac_chip *uac = snd_pcm_substream_chip(substream);  in uac_pcm_pointer()
243 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in uac_pcm_pointer()
248 	return bytes_to_frames(substream->runtime, prm->hw_ptr);  in uac_pcm_pointer()
251 static int uac_pcm_hw_params(struct snd_pcm_substream *substream,  in uac_pcm_hw_params()  argument
254 	return snd_pcm_lib_malloc_pages(substream,  in uac_pcm_hw_params()
258 static int uac_pcm_hw_free(struct snd_pcm_substream *substream)  in uac_pcm_hw_free()  argument
260 	return snd_pcm_lib_free_pages(substream);  in uac_pcm_hw_free()
263 static int uac_pcm_open(struct snd_pcm_substream *substream)  in uac_pcm_open()  argument
265 	struct snd_uac_chip *uac = snd_pcm_substream_chip(substream);  in uac_pcm_open()
266 	struct snd_pcm_runtime *runtime = substream->runtime;  in uac_pcm_open()
285 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in uac_pcm_open()
330 static int uac_pcm_null(struct snd_pcm_substream *substream)  in uac_pcm_null()  argument