17 	int err;  in get_clock()  local
19 	err = snd_fw_transaction(tscm->unit, TCODE_READ_QUADLET_REQUEST,  in get_clock()
22 	if (err >= 0)  in get_clock()
25 	return err;  in get_clock()
33 	int err;  in set_clock()  local
35 	err = get_clock(tscm, &data);  in set_clock()
36 	if (err < 0)  in set_clock()
37 		return err;  in set_clock()
65 	err = snd_fw_transaction(tscm->unit, TCODE_WRITE_QUADLET_REQUEST,  in set_clock()
68 	if (err < 0)  in set_clock()
69 		return err;  in set_clock()
85 	int err;  in snd_tscm_stream_get_rate()  local
88 		err = get_clock(tscm, &data);  in snd_tscm_stream_get_rate()
89 		if (err < 0)  in snd_tscm_stream_get_rate()
90 			return err;  in snd_tscm_stream_get_rate()
109 	return err;  in snd_tscm_stream_get_rate()
115 	int err;  in snd_tscm_stream_get_clock()  local
117 	err = get_clock(tscm, &data);  in snd_tscm_stream_get_clock()
118 	if (err < 0)  in snd_tscm_stream_get_clock()
119 		return err;  in snd_tscm_stream_get_clock()
133 	int err;  in enable_data_channels()  local
144 	err = snd_fw_transaction(tscm->unit, TCODE_WRITE_QUADLET_REQUEST,  in enable_data_channels()
147 	if (err < 0)  in enable_data_channels()
148 		return err;  in enable_data_channels()
167 	int err;  in set_stream_formats()  local
171 	err = snd_fw_transaction(tscm->unit, TCODE_WRITE_QUADLET_REQUEST,  in set_stream_formats()
174 	if (err < 0)  in set_stream_formats()
175 		return err;  in set_stream_formats()
177 	err = enable_data_channels(tscm);  in set_stream_formats()
178 	if (err < 0)  in set_stream_formats()
179 		return err;  in set_stream_formats()
203 	int err;  in begin_session()  local
206 	err = snd_fw_transaction(tscm->unit, TCODE_WRITE_QUADLET_REQUEST,  in begin_session()
209 	if (err < 0)  in begin_session()
210 		return err;  in begin_session()
213 	err = snd_fw_transaction(tscm->unit, TCODE_WRITE_QUADLET_REQUEST,  in begin_session()
216 	if (err < 0)  in begin_session()
217 		return err;  in begin_session()
221 	err = snd_fw_transaction(tscm->unit, TCODE_WRITE_QUADLET_REQUEST,  in begin_session()
224 	if (err < 0)  in begin_session()
225 		return err;  in begin_session()
261 	int err;  in keep_resources()  local
264 	err = amdtp_tscm_set_parameters(&tscm->tx_stream, rate);  in keep_resources()
265 	if (err < 0)  in keep_resources()
266 		return err;  in keep_resources()
267 	err = fw_iso_resources_allocate(&tscm->tx_resources,  in keep_resources()
270 	if (err < 0)  in keep_resources()
274 	err = amdtp_tscm_set_parameters(&tscm->rx_stream, rate);  in keep_resources()
275 	if (err < 0)  in keep_resources()
276 		return err;  in keep_resources()
277 	err = fw_iso_resources_allocate(&tscm->rx_resources,  in keep_resources()
280 	if (err < 0)  in keep_resources()
281 		return err;  in keep_resources()
285 	err = snd_fw_transaction(tscm->unit, TCODE_WRITE_QUADLET_REQUEST,  in keep_resources()
288 	if (err < 0)  in keep_resources()
293 	err = snd_fw_transaction(tscm->unit, TCODE_WRITE_QUADLET_REQUEST,  in keep_resources()
296 	if (err < 0)  in keep_resources()
301 	err = snd_fw_transaction(tscm->unit, TCODE_WRITE_QUADLET_REQUEST,  in keep_resources()
304 	if (err < 0)  in keep_resources()
310 	return err;  in keep_resources()
316 	int err;  in snd_tscm_stream_init_duplex()  local
319 	err = fw_iso_resources_init(&tscm->rx_resources, tscm->unit);  in snd_tscm_stream_init_duplex()
320 	if (err < 0)  in snd_tscm_stream_init_duplex()
321 		return err;  in snd_tscm_stream_init_duplex()
327 	err = amdtp_tscm_init(&tscm->rx_stream, tscm->unit, AMDTP_OUT_STREAM,  in snd_tscm_stream_init_duplex()
329 	if (err < 0)  in snd_tscm_stream_init_duplex()
330 		return err;  in snd_tscm_stream_init_duplex()
333 	err = fw_iso_resources_init(&tscm->tx_resources, tscm->unit);  in snd_tscm_stream_init_duplex()
334 	if (err < 0)  in snd_tscm_stream_init_duplex()
335 		return err;  in snd_tscm_stream_init_duplex()
341 	err = amdtp_tscm_init(&tscm->tx_stream, tscm->unit, AMDTP_IN_STREAM,  in snd_tscm_stream_init_duplex()
343 	if (err < 0)  in snd_tscm_stream_init_duplex()
375 	int err;  in snd_tscm_stream_start_duplex()  local
380 	err = snd_tscm_stream_get_rate(tscm, &curr_rate);  in snd_tscm_stream_start_duplex()
381 	if (err < 0)  in snd_tscm_stream_start_duplex()
382 		return err;  in snd_tscm_stream_start_duplex()
397 		err = keep_resources(tscm, rate);  in snd_tscm_stream_start_duplex()
398 		if (err < 0)  in snd_tscm_stream_start_duplex()
401 		err = set_stream_formats(tscm, rate);  in snd_tscm_stream_start_duplex()
402 		if (err < 0)  in snd_tscm_stream_start_duplex()
405 		err = begin_session(tscm);  in snd_tscm_stream_start_duplex()
406 		if (err < 0)  in snd_tscm_stream_start_duplex()
409 		err = amdtp_stream_start(&tscm->tx_stream,  in snd_tscm_stream_start_duplex()
412 		if (err < 0)  in snd_tscm_stream_start_duplex()
417 			err = -ETIMEDOUT;  in snd_tscm_stream_start_duplex()
423 		err = amdtp_stream_start(&tscm->rx_stream,  in snd_tscm_stream_start_duplex()
426 		if (err < 0)  in snd_tscm_stream_start_duplex()
431 			err = -ETIMEDOUT;  in snd_tscm_stream_start_duplex()
444 	return err;  in snd_tscm_stream_start_duplex()
467 	int err;  in snd_tscm_stream_lock_try()  local
473 		err = -EBUSY;  in snd_tscm_stream_lock_try()
480 	err = 0;  in snd_tscm_stream_lock_try()
483 	return err;  in snd_tscm_stream_lock_try()