104 static int pcm_init_hw_params(struct snd_ff *ff,  in pcm_init_hw_params()  argument
114 		s = &ff->tx_stream;  in pcm_init_hw_params()
115 		pcm_channels = ff->spec->pcm_capture_channels;  in pcm_init_hw_params()
118 		s = &ff->rx_stream;  in pcm_init_hw_params()
119 		pcm_channels = ff->spec->pcm_playback_channels;  in pcm_init_hw_params()
141 	struct snd_ff *ff = substream->private_data;  in pcm_open()  local
146 	err = snd_ff_stream_lock_try(ff);  in pcm_open()
150 	err = pcm_init_hw_params(ff, substream);  in pcm_open()
154 	err = ff->spec->protocol->get_clock(ff, &rate, &src);  in pcm_open()
175 		if (amdtp_stream_pcm_running(&ff->rx_stream) ||  in pcm_open()
176 		    amdtp_stream_pcm_running(&ff->tx_stream)) {  in pcm_open()
177 			rate = amdtp_rate_table[ff->rx_stream.sfc];  in pcm_open()
188 	snd_ff_stream_lock_release(ff);  in pcm_open()
194 	struct snd_ff *ff = substream->private_data;  in pcm_close()  local
196 	snd_ff_stream_lock_release(ff);  in pcm_close()
204 	struct snd_ff *ff = substream->private_data;  in pcm_hw_params()  local
215 		mutex_lock(&ff->mutex);  in pcm_hw_params()
216 		err = snd_ff_stream_reserve_duplex(ff, rate);  in pcm_hw_params()
218 			++ff->substreams_counter;  in pcm_hw_params()
219 		mutex_unlock(&ff->mutex);  in pcm_hw_params()
227 	struct snd_ff *ff = substream->private_data;  in pcm_hw_free()  local
229 	mutex_lock(&ff->mutex);  in pcm_hw_free()
232 		--ff->substreams_counter;  in pcm_hw_free()
234 	snd_ff_stream_stop_duplex(ff);  in pcm_hw_free()
236 	mutex_unlock(&ff->mutex);  in pcm_hw_free()
243 	struct snd_ff *ff = substream->private_data;  in pcm_capture_prepare()  local
247 	mutex_lock(&ff->mutex);  in pcm_capture_prepare()
249 	err = snd_ff_stream_start_duplex(ff, runtime->rate);  in pcm_capture_prepare()
251 		amdtp_stream_pcm_prepare(&ff->tx_stream);  in pcm_capture_prepare()
253 	mutex_unlock(&ff->mutex);  in pcm_capture_prepare()
260 	struct snd_ff *ff = substream->private_data;  in pcm_playback_prepare()  local
264 	mutex_lock(&ff->mutex);  in pcm_playback_prepare()
266 	err = snd_ff_stream_start_duplex(ff, runtime->rate);  in pcm_playback_prepare()
268 		amdtp_stream_pcm_prepare(&ff->rx_stream);  in pcm_playback_prepare()
270 	mutex_unlock(&ff->mutex);  in pcm_playback_prepare()
277 	struct snd_ff *ff = substream->private_data;  in pcm_capture_trigger()  local
281 		amdtp_stream_pcm_trigger(&ff->tx_stream, substream);  in pcm_capture_trigger()
284 		amdtp_stream_pcm_trigger(&ff->tx_stream, NULL);  in pcm_capture_trigger()
295 	struct snd_ff *ff = substream->private_data;  in pcm_playback_trigger()  local
299 		amdtp_stream_pcm_trigger(&ff->rx_stream, substream);  in pcm_playback_trigger()
302 		amdtp_stream_pcm_trigger(&ff->rx_stream, NULL);  in pcm_playback_trigger()
313 	struct snd_ff *ff = sbstrm->private_data;  in pcm_capture_pointer()  local
315 	return amdtp_stream_pcm_pointer(&ff->tx_stream);  in pcm_capture_pointer()
320 	struct snd_ff *ff = sbstrm->private_data;  in pcm_playback_pointer()  local
322 	return amdtp_stream_pcm_pointer(&ff->rx_stream);  in pcm_playback_pointer()
327 	struct snd_ff *ff = substream->private_data;  in pcm_capture_ack()  local
329 	return amdtp_stream_pcm_ack(&ff->tx_stream);  in pcm_capture_ack()
334 	struct snd_ff *ff = substream->private_data;  in pcm_playback_ack()  local
336 	return amdtp_stream_pcm_ack(&ff->rx_stream);  in pcm_playback_ack()
339 int snd_ff_create_pcm_devices(struct snd_ff *ff)  in snd_ff_create_pcm_devices()  argument
368 	err = snd_pcm_new(ff->card, ff->card->driver, 0, 1, 1, &pcm);  in snd_ff_create_pcm_devices()
372 	pcm->private_data = ff;  in snd_ff_create_pcm_devices()
374 		 "%s PCM", ff->card->shortname);  in snd_ff_create_pcm_devices()