+ set_bit(card_index, devices_used);
+ mutex_unlock(&devices_mutex);
+
+ /*
+ * After registered, bebob instance can be released corresponding to
+ * releasing the sound card instance.
+ */
+ bebob->card->private_free = bebob_card_free;
+ bebob->card->private_data = bebob;
+ bebob->registered = true;
+
+ return;
+error:
+ mutex_unlock(&devices_mutex);
+ snd_bebob_stream_destroy_duplex(bebob);
+ snd_card_free(bebob->card);
+ dev_info(&bebob->unit->device,
+ "Sound card registration failed: %d\n", err);
+}
+
+static int
+bebob_probe(struct fw_unit *unit, const struct ieee1394_device_id *entry)
+{
+ struct snd_bebob *bebob;
+ const struct snd_bebob_spec *spec;
+
+ if (entry->vendor_id == VEN_FOCUSRITE &&
+ entry->model_id == MODEL_FOCUSRITE_SAFFIRE_BOTH)
+ spec = get_saffire_spec(unit);
+ else if (entry->vendor_id == VEN_MAUDIO1 &&
+ entry->model_id == MODEL_MAUDIO_AUDIOPHILE_BOTH &&
+ !check_audiophile_booted(unit))
+ spec = NULL;
+ else
+ spec = (const struct snd_bebob_spec *)entry->driver_data;
+
+ if (spec == NULL) {
+ if (entry->vendor_id == VEN_MAUDIO1 ||
+ entry->vendor_id == VEN_MAUDIO2)
+ return snd_bebob_maudio_load_firmware(unit);
+ else
+ return -ENODEV;
+ }
+
+ /* Allocate this independent of sound card instance. */
+ bebob = kzalloc(sizeof(struct snd_bebob), GFP_KERNEL);
+ if (bebob == NULL)
+ return -ENOMEM;
+
+ bebob->unit = fw_unit_get(unit);
+ bebob->entry = entry;
+ bebob->spec = spec;
+ dev_set_drvdata(&unit->device, bebob);
+
+ mutex_init(&bebob->mutex);
+ spin_lock_init(&bebob->lock);
+ init_waitqueue_head(&bebob->hwdep_wait);
+
+ /* Allocate and register this sound card later. */
+ INIT_DEFERRABLE_WORK(&bebob->dwork, do_registration);
+
+ if (entry->vendor_id != VEN_MAUDIO1 ||
+ (entry->model_id != MODEL_MAUDIO_FW1814 &&
+ entry->model_id != MODEL_MAUDIO_PROJECTMIX)) {
+ snd_fw_schedule_registration(unit, &bebob->dwork);