147 		   struct snd_pcm_substream *substream)  in pcm_init_hw_params()  argument
149 	struct snd_pcm_runtime *runtime = substream->runtime;  in pcm_init_hw_params()
161 	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {  in pcm_init_hw_params()
195 static int pcm_open(struct snd_pcm_substream *substream)  in pcm_open()  argument
197 	struct snd_efw *efw = substream->private_data;  in pcm_open()
206 	err = pcm_init_hw_params(efw, substream);  in pcm_open()
224 		substream->runtime->hw.rate_min = sampling_rate;  in pcm_open()
225 		substream->runtime->hw.rate_max = sampling_rate;  in pcm_open()
228 	snd_pcm_set_sync(substream);  in pcm_open()
236 static int pcm_close(struct snd_pcm_substream *substream)  in pcm_close()  argument
238 	struct snd_efw *efw = substream->private_data;  in pcm_close()
243 static int pcm_capture_hw_params(struct snd_pcm_substream *substream,  in pcm_capture_hw_params()  argument
246 	struct snd_efw *efw = substream->private_data;  in pcm_capture_hw_params()
248 	if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN)  in pcm_capture_hw_params()
252 	return snd_pcm_lib_alloc_vmalloc_buffer(substream,  in pcm_capture_hw_params()
255 static int pcm_playback_hw_params(struct snd_pcm_substream *substream,  in pcm_playback_hw_params()  argument
258 	struct snd_efw *efw = substream->private_data;  in pcm_playback_hw_params()
260 	if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN)  in pcm_playback_hw_params()
264 	return snd_pcm_lib_alloc_vmalloc_buffer(substream,  in pcm_playback_hw_params()
268 static int pcm_capture_hw_free(struct snd_pcm_substream *substream)  in pcm_capture_hw_free()  argument
270 	struct snd_efw *efw = substream->private_data;  in pcm_capture_hw_free()
272 	if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN)  in pcm_capture_hw_free()
277 	return snd_pcm_lib_free_vmalloc_buffer(substream);  in pcm_capture_hw_free()
279 static int pcm_playback_hw_free(struct snd_pcm_substream *substream)  in pcm_playback_hw_free()  argument
281 	struct snd_efw *efw = substream->private_data;  in pcm_playback_hw_free()
283 	if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN)  in pcm_playback_hw_free()
288 	return snd_pcm_lib_free_vmalloc_buffer(substream);  in pcm_playback_hw_free()
291 static int pcm_capture_prepare(struct snd_pcm_substream *substream)  in pcm_capture_prepare()  argument
293 	struct snd_efw *efw = substream->private_data;  in pcm_capture_prepare()
294 	struct snd_pcm_runtime *runtime = substream->runtime;  in pcm_capture_prepare()
303 static int pcm_playback_prepare(struct snd_pcm_substream *substream)  in pcm_playback_prepare()  argument
305 	struct snd_efw *efw = substream->private_data;  in pcm_playback_prepare()
306 	struct snd_pcm_runtime *runtime = substream->runtime;  in pcm_playback_prepare()
316 static int pcm_capture_trigger(struct snd_pcm_substream *substream, int cmd)  in pcm_capture_trigger()  argument
318 	struct snd_efw *efw = substream->private_data;  in pcm_capture_trigger()
322 		amdtp_stream_pcm_trigger(&efw->tx_stream, substream);  in pcm_capture_trigger()
333 static int pcm_playback_trigger(struct snd_pcm_substream *substream, int cmd)  in pcm_playback_trigger()  argument
335 	struct snd_efw *efw = substream->private_data;  in pcm_playback_trigger()
339 		amdtp_stream_pcm_trigger(&efw->rx_stream, substream);  in pcm_playback_trigger()