37 	int err;  in keep_resources()  local
39 	err = get_rate_mode(rate, &mode);  in keep_resources()
40 	if (err < 0)  in keep_resources()
41 		return err;  in keep_resources()
44 	err = amdtp_ff_set_parameters(&ff->tx_stream, rate,  in keep_resources()
46 	if (err < 0)  in keep_resources()
47 		return err;  in keep_resources()
49 	err = fw_iso_resources_allocate(&ff->tx_resources,  in keep_resources()
52 	if (err < 0)  in keep_resources()
53 		return err;  in keep_resources()
56 	err = amdtp_ff_set_parameters(&ff->rx_stream, rate,  in keep_resources()
58 	if (err < 0)  in keep_resources()
59 		return err;  in keep_resources()
61 	err = fw_iso_resources_allocate(&ff->rx_resources,  in keep_resources()
64 	if (err < 0)  in keep_resources()
67 	return err;  in keep_resources()
84 	int err;  in init_stream()  local
96 	err = fw_iso_resources_init(resources, ff->unit);  in init_stream()
97 	if (err < 0)  in init_stream()
98 		return err;  in init_stream()
100 	err = amdtp_ff_init(stream, ff->unit, dir);  in init_stream()
101 	if (err < 0)  in init_stream()
104 	return err;  in init_stream()
120 	int err;  in snd_ff_stream_init_duplex()  local
122 	err = init_stream(ff, AMDTP_OUT_STREAM);  in snd_ff_stream_init_duplex()
123 	if (err < 0)  in snd_ff_stream_init_duplex()
126 	err = init_stream(ff, AMDTP_IN_STREAM);  in snd_ff_stream_init_duplex()
127 	if (err < 0)  in snd_ff_stream_init_duplex()
130 	return err;  in snd_ff_stream_init_duplex()
147 	int err;  in snd_ff_stream_start_duplex()  local
152 	err = ff->spec->protocol->get_clock(ff, &curr_rate, &src);  in snd_ff_stream_start_duplex()
153 	if (err < 0)  in snd_ff_stream_start_duplex()
154 		return err;  in snd_ff_stream_start_duplex()
171 		err = keep_resources(ff, rate);  in snd_ff_stream_start_duplex()
172 		if (err < 0)  in snd_ff_stream_start_duplex()
175 		err = ff->spec->protocol->begin_session(ff, rate);  in snd_ff_stream_start_duplex()
176 		if (err < 0)  in snd_ff_stream_start_duplex()
179 		err = amdtp_stream_start(&ff->rx_stream,  in snd_ff_stream_start_duplex()
182 		if (err < 0)  in snd_ff_stream_start_duplex()
187 			err = -ETIMEDOUT;  in snd_ff_stream_start_duplex()
191 		err = ff->spec->protocol->switch_fetching_mode(ff, true);  in snd_ff_stream_start_duplex()
192 		if (err < 0)  in snd_ff_stream_start_duplex()
197 		err = amdtp_stream_start(&ff->tx_stream,  in snd_ff_stream_start_duplex()
200 		if (err < 0)  in snd_ff_stream_start_duplex()
205 			err = -ETIMEDOUT;  in snd_ff_stream_start_duplex()
218 	return err;  in snd_ff_stream_start_duplex()
253 	int err;  in snd_ff_stream_lock_try()  local
259 		err = -EBUSY;  in snd_ff_stream_lock_try()
266 	err = 0;  in snd_ff_stream_lock_try()
269 	return err;  in snd_ff_stream_lock_try()