20 	int err;  in get_clock()  local
23 		err = snd_fw_transaction(tscm->unit, TCODE_READ_QUADLET_REQUEST,  in get_clock()
26 		if (err < 0)  in get_clock()
27 			return err;  in get_clock()
49 	int err;  in set_clock()  local
51 	err = get_clock(tscm, &data);  in set_clock()
52 	if (err < 0)  in set_clock()
53 		return err;  in set_clock()
81 	err = snd_fw_transaction(tscm->unit, TCODE_WRITE_QUADLET_REQUEST,  in set_clock()
84 	if (err < 0)  in set_clock()
85 		return err;  in set_clock()
100 	int err;  in snd_tscm_stream_get_rate()  local
102 	err = get_clock(tscm, &data);  in snd_tscm_stream_get_rate()
103 	if (err < 0)  in snd_tscm_stream_get_rate()
104 		return err;  in snd_tscm_stream_get_rate()
122 	return err;  in snd_tscm_stream_get_rate()
128 	int err;  in snd_tscm_stream_get_clock()  local
130 	err = get_clock(tscm, &data);  in snd_tscm_stream_get_clock()
131 	if (err < 0)  in snd_tscm_stream_get_clock()
132 		return err;  in snd_tscm_stream_get_clock()
146 	int err;  in enable_data_channels()  local
157 	err = snd_fw_transaction(tscm->unit, TCODE_WRITE_QUADLET_REQUEST,  in enable_data_channels()
160 	if (err < 0)  in enable_data_channels()
161 		return err;  in enable_data_channels()
180 	int err;  in set_stream_formats()  local
184 	err = snd_fw_transaction(tscm->unit, TCODE_WRITE_QUADLET_REQUEST,  in set_stream_formats()
187 	if (err < 0)  in set_stream_formats()
188 		return err;  in set_stream_formats()
225 	int err;  in begin_session()  local
229 	err = snd_fw_transaction(tscm->unit, TCODE_WRITE_QUADLET_REQUEST,  in begin_session()
232 	if (err < 0)  in begin_session()
233 		return err;  in begin_session()
237 	err = snd_fw_transaction(tscm->unit, TCODE_WRITE_QUADLET_REQUEST,  in begin_session()
240 	if (err < 0)  in begin_session()
241 		return err;  in begin_session()
245 	err = snd_fw_transaction(tscm->unit, TCODE_WRITE_QUADLET_REQUEST,  in begin_session()
248 	if (err < 0)  in begin_session()
249 		return err;  in begin_session()
252 	err = snd_fw_transaction(tscm->unit, TCODE_WRITE_QUADLET_REQUEST,  in begin_session()
255 	if (err < 0)  in begin_session()
256 		return err;  in begin_session()
259 	err = snd_fw_transaction(tscm->unit, TCODE_WRITE_QUADLET_REQUEST,  in begin_session()
262 	if (err < 0)  in begin_session()
263 		return err;  in begin_session()
267 	err = snd_fw_transaction(tscm->unit, TCODE_WRITE_QUADLET_REQUEST,  in begin_session()
270 	if (err < 0)  in begin_session()
271 		return err;  in begin_session()
285 	int err;  in keep_resources()  local
292 	err = amdtp_tscm_set_parameters(stream, rate);  in keep_resources()
293 	if (err < 0)  in keep_resources()
294 		return err;  in keep_resources()
306 	int err;  in init_stream()  local
323 	err = fw_iso_resources_init(resources, tscm->unit);  in init_stream()
324 	if (err < 0)  in init_stream()
325 		return err;  in init_stream()
327 	err = amdtp_tscm_init(s, tscm->unit, dir, pcm_channels);  in init_stream()
328 	if (err < 0)  in init_stream()
331 	return err;  in init_stream()
346 	int err;  in snd_tscm_stream_init_duplex()  local
348 	err = init_stream(tscm, &tscm->tx_stream);  in snd_tscm_stream_init_duplex()
349 	if (err < 0)  in snd_tscm_stream_init_duplex()
350 		return err;  in snd_tscm_stream_init_duplex()
352 	err = init_stream(tscm, &tscm->rx_stream);  in snd_tscm_stream_init_duplex()
353 	if (err < 0) {  in snd_tscm_stream_init_duplex()
355 		return err;  in snd_tscm_stream_init_duplex()
358 	err = amdtp_domain_init(&tscm->domain);  in snd_tscm_stream_init_duplex()
359 	if (err < 0) {  in snd_tscm_stream_init_duplex()
364 	return err;  in snd_tscm_stream_init_duplex()
389 	int err;  in snd_tscm_stream_reserve_duplex()  local
391 	err = snd_tscm_stream_get_rate(tscm, &curr_rate);  in snd_tscm_stream_reserve_duplex()
392 	if (err < 0)  in snd_tscm_stream_reserve_duplex()
393 		return err;  in snd_tscm_stream_reserve_duplex()
403 		err = set_clock(tscm, rate, INT_MAX);  in snd_tscm_stream_reserve_duplex()
404 		if (err < 0)  in snd_tscm_stream_reserve_duplex()
405 			return err;  in snd_tscm_stream_reserve_duplex()
407 		err = keep_resources(tscm, rate, &tscm->tx_stream);  in snd_tscm_stream_reserve_duplex()
408 		if (err < 0)  in snd_tscm_stream_reserve_duplex()
409 			return err;  in snd_tscm_stream_reserve_duplex()
411 		err = keep_resources(tscm, rate, &tscm->rx_stream);  in snd_tscm_stream_reserve_duplex()
412 		if (err < 0) {  in snd_tscm_stream_reserve_duplex()
414 			return err;  in snd_tscm_stream_reserve_duplex()
424 	int err;  in snd_tscm_stream_start_duplex()  local
436 		err = fw_iso_resources_update(&tscm->tx_resources);  in snd_tscm_stream_start_duplex()
437 		if (err < 0)  in snd_tscm_stream_start_duplex()
440 		err = fw_iso_resources_update(&tscm->rx_resources);  in snd_tscm_stream_start_duplex()
441 		if (err < 0)  in snd_tscm_stream_start_duplex()
448 		err = set_stream_formats(tscm, rate);  in snd_tscm_stream_start_duplex()
449 		if (err < 0)  in snd_tscm_stream_start_duplex()
452 		err = begin_session(tscm);  in snd_tscm_stream_start_duplex()
453 		if (err < 0)  in snd_tscm_stream_start_duplex()
456 		err = amdtp_domain_add_stream(&tscm->domain, &tscm->rx_stream,  in snd_tscm_stream_start_duplex()
458 		if (err < 0)  in snd_tscm_stream_start_duplex()
461 		err = amdtp_domain_add_stream(&tscm->domain, &tscm->tx_stream,  in snd_tscm_stream_start_duplex()
463 		if (err < 0)  in snd_tscm_stream_start_duplex()
466 		err = amdtp_domain_start(&tscm->domain);  in snd_tscm_stream_start_duplex()
467 		if (err < 0)  in snd_tscm_stream_start_duplex()
468 			return err;  in snd_tscm_stream_start_duplex()
474 			err = -ETIMEDOUT;  in snd_tscm_stream_start_duplex()
484 	return err;  in snd_tscm_stream_start_duplex()
506 	int err;  in snd_tscm_stream_lock_try()  local
512 		err = -EBUSY;  in snd_tscm_stream_lock_try()
519 	err = 0;  in snd_tscm_stream_lock_try()
522 	return err;  in snd_tscm_stream_lock_try()