44 	int err;  in set_rate()  local
46 	err = avc_general_set_sig_fmt(oxfw->unit, rate,  in set_rate()
48 	if (err < 0)  in set_rate()
52 		err = avc_general_set_sig_fmt(oxfw->unit, rate,  in set_rate()
55 	return err;  in set_rate()
65 	int i, err;  in set_stream_format()  local
77 		err = snd_oxfw_stream_parse_format(formats[i], &formation);  in set_stream_format()
78 		if (err < 0)  in set_stream_format()
79 			return err;  in set_stream_format()
94 	err = avc_stream_set_format(oxfw->unit, dir, 0, formats[i], len);  in set_stream_format()
95 	if (err < 0)  in set_stream_format()
96 		return err;  in set_stream_format()
122 	int err;  in start_stream()  local
137 		err = snd_oxfw_stream_parse_format(formats[i], &formation);  in start_stream()
138 		if (err < 0)  in start_stream()
146 		err = -EINVAL;  in start_stream()
155 		err = -EINVAL;  in start_stream()
160 	err = cmp_connection_establish(conn,  in start_stream()
162 	if (err < 0)  in start_stream()
165 	err = amdtp_stream_start(stream,  in start_stream()
168 	if (err < 0) {  in start_stream()
176 		err = -ETIMEDOUT;  in start_stream()
179 	return err;  in start_stream()
187 	int err;  in check_connection_used_by_others()  local
194 	err = cmp_connection_check_used(conn, &used);  in check_connection_used_by_others()
195 	if ((err >= 0) && used && !amdtp_stream_running(stream)) {  in check_connection_used_by_others()
200 		err = -EBUSY;  in check_connection_used_by_others()
203 	return err;  in check_connection_used_by_others()
212 	int err;  in snd_oxfw_stream_init_simplex()  local
224 	err = cmp_connection_init(conn, oxfw->unit, c_dir, 0);  in snd_oxfw_stream_init_simplex()
225 	if (err < 0)  in snd_oxfw_stream_init_simplex()
228 	err = amdtp_stream_init(stream, oxfw->unit, s_dir, CIP_NONBLOCKING);  in snd_oxfw_stream_init_simplex()
229 	if (err < 0) {  in snd_oxfw_stream_init_simplex()
239 	return err;  in snd_oxfw_stream_init_simplex()
250 	int err = 0;  in snd_oxfw_stream_start_simplex()  local
276 	err = check_connection_used_by_others(oxfw, stream);  in snd_oxfw_stream_start_simplex()
277 	if (err < 0)  in snd_oxfw_stream_start_simplex()
284 	err = snd_oxfw_stream_get_current_formation(oxfw, dir, &formation);  in snd_oxfw_stream_start_simplex()
285 	if (err < 0)  in snd_oxfw_stream_start_simplex()
294 			err = check_connection_used_by_others(oxfw, opposite);  in snd_oxfw_stream_start_simplex()
295 			if (err < 0)  in snd_oxfw_stream_start_simplex()
301 		err = set_stream_format(oxfw, stream, rate, pcm_channels);  in snd_oxfw_stream_start_simplex()
302 		if (err < 0) {  in snd_oxfw_stream_start_simplex()
304 				"fail to set stream format: %d\n", err);  in snd_oxfw_stream_start_simplex()
311 			err = start_stream(oxfw, opposite, rate, 0);  in snd_oxfw_stream_start_simplex()
312 			if (err < 0) {  in snd_oxfw_stream_start_simplex()
314 					"fail to restart stream: %d\n", err);  in snd_oxfw_stream_start_simplex()
322 		err = start_stream(oxfw, stream, rate, pcm_channels);  in snd_oxfw_stream_start_simplex()
323 		if (err < 0)  in snd_oxfw_stream_start_simplex()
325 				"fail to start stream: %d\n", err);  in snd_oxfw_stream_start_simplex()
328 	return err;  in snd_oxfw_stream_start_simplex()
381 	int err;  in snd_oxfw_stream_get_current_formation()  local
388 	err = avc_stream_get_format_single(oxfw->unit, dir, 0, format, &len);  in snd_oxfw_stream_get_current_formation()
389 	if (err < 0)  in snd_oxfw_stream_get_current_formation()
392 		err = -EIO;  in snd_oxfw_stream_get_current_formation()
396 	err = snd_oxfw_stream_parse_format(format, formation);  in snd_oxfw_stream_get_current_formation()
399 	return err;  in snd_oxfw_stream_get_current_formation()
491 	int err;  in assume_stream_formats()  local
494 	err = avc_stream_get_format_single(oxfw->unit, dir, pid, buf, len);  in assume_stream_formats()
495 	if (err < 0) {  in assume_stream_formats()
499 			pid, err);  in assume_stream_formats()
505 	err = snd_oxfw_stream_parse_format(buf, &formation);  in assume_stream_formats()
506 	if (err < 0)  in assume_stream_formats()
511 		err = -ENOMEM;  in assume_stream_formats()
521 		err = avc_general_inquiry_sig_fmt(oxfw->unit,  in assume_stream_formats()
524 		if (err < 0)  in assume_stream_formats()
530 			err = -ENOMEM;  in assume_stream_formats()
537 	err = 0;  in assume_stream_formats()
540 	return err;  in assume_stream_formats()
550 	int err;  in fill_stream_formats()  local
563 	err = avc_stream_get_format_list(oxfw->unit, dir, 0, buf, &len, 0);  in fill_stream_formats()
564 	if (err == -ENOSYS) {  in fill_stream_formats()
567 		err = assume_stream_formats(oxfw, dir, pid, buf, &len,  in fill_stream_formats()
570 	} else if (err < 0) {  in fill_stream_formats()
574 			pid, err);  in fill_stream_formats()
582 			err = -EIO;  in fill_stream_formats()
587 		err = snd_oxfw_stream_parse_format(buf, &dummy);  in fill_stream_formats()
588 		if (err < 0)  in fill_stream_formats()
593 			err = -ENOMEM;  in fill_stream_formats()
600 		err = avc_stream_get_format_list(oxfw->unit, dir, 0,  in fill_stream_formats()
603 		if (err == -EINVAL) {  in fill_stream_formats()
604 			err = 0;  in fill_stream_formats()
606 		} else if (err < 0) {  in fill_stream_formats()
611 				pid, err);  in fill_stream_formats()
617 	return err;  in fill_stream_formats()
623 	int err;  in snd_oxfw_stream_discover()  local
626 	err = avc_general_get_plug_info(oxfw->unit, 0x1f, 0x07, 0x00, plugs);  in snd_oxfw_stream_discover()
627 	if (err < 0) {  in snd_oxfw_stream_discover()
630 			err);  in snd_oxfw_stream_discover()
633 		err = -ENOSYS;  in snd_oxfw_stream_discover()
639 		err = fill_stream_formats(oxfw, AVC_GENERAL_PLUG_DIR_OUT, 0);  in snd_oxfw_stream_discover()
640 		if (err < 0)  in snd_oxfw_stream_discover()
647 		err = fill_stream_formats(oxfw, AVC_GENERAL_PLUG_DIR_IN, 0);  in snd_oxfw_stream_discover()
649 	return err;  in snd_oxfw_stream_discover()
660 	int err;  in snd_oxfw_stream_lock_try()  local
666 		err = -EBUSY;  in snd_oxfw_stream_lock_try()
673 	err = 0;  in snd_oxfw_stream_lock_try()
676 	return err;  in snd_oxfw_stream_lock_try()