100 			struct snd_pcm_substream *substream)  in init_hw_info()  argument
102 	struct snd_pcm_runtime *runtime = substream->runtime;  in init_hw_info()
108 	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {  in init_hw_info()
134 static int pcm_open(struct snd_pcm_substream *substream)  in pcm_open()  argument
136 	struct snd_motu *motu = substream->private_data;  in pcm_open()
152 	err = init_hw_info(motu, substream);  in pcm_open()
169 		substream->runtime->hw.rate_min = rate;  in pcm_open()
170 		substream->runtime->hw.rate_max = rate;  in pcm_open()
173 	snd_pcm_set_sync(substream);  in pcm_open()
184 static int pcm_close(struct snd_pcm_substream *substream)  in pcm_close()  argument
186 	struct snd_motu *motu = substream->private_data;  in pcm_close()
193 static int capture_hw_params(struct snd_pcm_substream *substream,  in capture_hw_params()  argument
196 	struct snd_motu *motu = substream->private_data;  in capture_hw_params()
199 	err = snd_pcm_lib_alloc_vmalloc_buffer(substream,  in capture_hw_params()
204 	if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN) {  in capture_hw_params()
212 static int playback_hw_params(struct snd_pcm_substream *substream,  in playback_hw_params()  argument
215 	struct snd_motu *motu = substream->private_data;  in playback_hw_params()
218 	err = snd_pcm_lib_alloc_vmalloc_buffer(substream,  in playback_hw_params()
223 	if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN) {  in playback_hw_params()
232 static int capture_hw_free(struct snd_pcm_substream *substream)  in capture_hw_free()  argument
234 	struct snd_motu *motu = substream->private_data;  in capture_hw_free()
238 	if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN)  in capture_hw_free()
245 	return snd_pcm_lib_free_vmalloc_buffer(substream);  in capture_hw_free()
248 static int playback_hw_free(struct snd_pcm_substream *substream)  in playback_hw_free()  argument
250 	struct snd_motu *motu = substream->private_data;  in playback_hw_free()
254 	if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN)  in playback_hw_free()
261 	return snd_pcm_lib_free_vmalloc_buffer(substream);  in playback_hw_free()
264 static int capture_prepare(struct snd_pcm_substream *substream)  in capture_prepare()  argument
266 	struct snd_motu *motu = substream->private_data;  in capture_prepare()
270 	err = snd_motu_stream_start_duplex(motu, substream->runtime->rate);  in capture_prepare()
277 static int playback_prepare(struct snd_pcm_substream *substream)  in playback_prepare()  argument
279 	struct snd_motu *motu = substream->private_data;  in playback_prepare()
283 	err = snd_motu_stream_start_duplex(motu, substream->runtime->rate);  in playback_prepare()
291 static int capture_trigger(struct snd_pcm_substream *substream, int cmd)  in capture_trigger()  argument
293 	struct snd_motu *motu = substream->private_data;  in capture_trigger()
297 		amdtp_stream_pcm_trigger(&motu->tx_stream, substream);  in capture_trigger()
308 static int playback_trigger(struct snd_pcm_substream *substream, int cmd)  in playback_trigger()  argument
310 	struct snd_motu *motu = substream->private_data;  in playback_trigger()
314 		amdtp_stream_pcm_trigger(&motu->rx_stream, substream);  in playback_trigger()
326 static snd_pcm_uframes_t capture_pointer(struct snd_pcm_substream *substream)  in capture_pointer()  argument
328 	struct snd_motu *motu = substream->private_data;  in capture_pointer()
332 static snd_pcm_uframes_t playback_pointer(struct snd_pcm_substream *substream)  in playback_pointer()  argument
334 	struct snd_motu *motu = substream->private_data;  in playback_pointer()
339 static int capture_ack(struct snd_pcm_substream *substream)  in capture_ack()  argument
341 	struct snd_motu *motu = substream->private_data;  in capture_ack()
346 static int playback_ack(struct snd_pcm_substream *substream)  in playback_ack()  argument
348 	struct snd_motu *motu = substream->private_data;  in playback_ack()