95 			      struct snd_pcm_substream *substream)  in pcm_init_hw_params()  argument
97 	struct snd_pcm_runtime *runtime = substream->runtime;  in pcm_init_hw_params()
102 	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {  in pcm_init_hw_params()
129 static int pcm_open(struct snd_pcm_substream *substream)  in pcm_open()  argument
131 	struct snd_ff *ff = substream->private_data;  in pcm_open()
140 	err = pcm_init_hw_params(ff, substream);  in pcm_open()
162 		substream->runtime->hw.rate_min = rate;  in pcm_open()
163 		substream->runtime->hw.rate_max = rate;  in pcm_open()
168 			substream->runtime->hw.rate_min = rate;  in pcm_open()
169 			substream->runtime->hw.rate_max = rate;  in pcm_open()
173 	snd_pcm_set_sync(substream);  in pcm_open()
182 static int pcm_close(struct snd_pcm_substream *substream)  in pcm_close()  argument
184 	struct snd_ff *ff = substream->private_data;  in pcm_close()
191 static int pcm_capture_hw_params(struct snd_pcm_substream *substream,  in pcm_capture_hw_params()  argument
194 	struct snd_ff *ff = substream->private_data;  in pcm_capture_hw_params()
197 	err = snd_pcm_lib_alloc_vmalloc_buffer(substream,  in pcm_capture_hw_params()
202 	if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN) {  in pcm_capture_hw_params()
211 static int pcm_playback_hw_params(struct snd_pcm_substream *substream,  in pcm_playback_hw_params()  argument
214 	struct snd_ff *ff = substream->private_data;  in pcm_playback_hw_params()
217 	err = snd_pcm_lib_alloc_vmalloc_buffer(substream,  in pcm_playback_hw_params()
222 	if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN) {  in pcm_playback_hw_params()
231 static int pcm_capture_hw_free(struct snd_pcm_substream *substream)  in pcm_capture_hw_free()  argument
233 	struct snd_ff *ff = substream->private_data;  in pcm_capture_hw_free()
237 	if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN)  in pcm_capture_hw_free()
244 	return snd_pcm_lib_free_vmalloc_buffer(substream);  in pcm_capture_hw_free()
247 static int pcm_playback_hw_free(struct snd_pcm_substream *substream)  in pcm_playback_hw_free()  argument
249 	struct snd_ff *ff = substream->private_data;  in pcm_playback_hw_free()
253 	if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN)  in pcm_playback_hw_free()
260 	return snd_pcm_lib_free_vmalloc_buffer(substream);  in pcm_playback_hw_free()
263 static int pcm_capture_prepare(struct snd_pcm_substream *substream)  in pcm_capture_prepare()  argument
265 	struct snd_ff *ff = substream->private_data;  in pcm_capture_prepare()
266 	struct snd_pcm_runtime *runtime = substream->runtime;  in pcm_capture_prepare()
280 static int pcm_playback_prepare(struct snd_pcm_substream *substream)  in pcm_playback_prepare()  argument
282 	struct snd_ff *ff = substream->private_data;  in pcm_playback_prepare()
283 	struct snd_pcm_runtime *runtime = substream->runtime;  in pcm_playback_prepare()
297 static int pcm_capture_trigger(struct snd_pcm_substream *substream, int cmd)  in pcm_capture_trigger()  argument
299 	struct snd_ff *ff = substream->private_data;  in pcm_capture_trigger()
303 		amdtp_stream_pcm_trigger(&ff->tx_stream, substream);  in pcm_capture_trigger()
315 static int pcm_playback_trigger(struct snd_pcm_substream *substream, int cmd)  in pcm_playback_trigger()  argument
317 	struct snd_ff *ff = substream->private_data;  in pcm_playback_trigger()
321 		amdtp_stream_pcm_trigger(&ff->rx_stream, substream);  in pcm_playback_trigger()
347 static int pcm_capture_ack(struct snd_pcm_substream *substream)  in pcm_capture_ack()  argument
349 	struct snd_ff *ff = substream->private_data;  in pcm_capture_ack()
354 static int pcm_playback_ack(struct snd_pcm_substream *substream)  in pcm_playback_ack()  argument
356 	struct snd_ff *ff = substream->private_data;  in pcm_playback_ack()