/* Try to init workbench device. */ static int variax_init(struct usb_line6 *line6, const struct usb_device_id *id) { struct usb_line6_variax *variax = (struct usb_line6_variax *) line6; int err; line6->process_message = line6_variax_process_message; line6->disconnect = line6_variax_disconnect; init_timer(&variax->startup_timer1); init_timer(&variax->startup_timer2); INIT_WORK(&variax->startup_work, variax_startup6); /* initialize USB buffers: */ variax->buffer_activate = kmemdup(variax_activate, sizeof(variax_activate), GFP_KERNEL); if (variax->buffer_activate == NULL) return -ENOMEM; /* initialize MIDI subsystem: */ err = line6_init_midi(&variax->line6); if (err < 0) return err; /* initiate startup procedure: */ variax_startup1(variax); return 0; }
/* Try to init workbench device. */ static int variax_try_init(struct usb_interface *interface, struct usb_line6_variax *variax) { int err; init_timer(&variax->startup_timer1); init_timer(&variax->startup_timer2); INIT_WORK(&variax->startup_work, variax_startup7); if ((interface == NULL) || (variax == NULL)) return -ENODEV; /* initialize USB buffers: */ err = line6_dumpreq_init(&variax->dumpreq, variax_request_model1, sizeof(variax_request_model1)); if (err < 0) { dev_err(&interface->dev, "Out of memory\n"); return err; } err = line6_dumpreq_initbuf(&variax->dumpreq, variax_request_model2, sizeof(variax_request_model2), 1); if (err < 0) { dev_err(&interface->dev, "Out of memory\n"); return err; } err = line6_dumpreq_initbuf(&variax->dumpreq, variax_request_bank, sizeof(variax_request_bank), 2); if (err < 0) { dev_err(&interface->dev, "Out of memory\n"); return err; } variax->buffer_activate = kmemdup(variax_activate, sizeof(variax_activate), GFP_KERNEL); if (variax->buffer_activate == NULL) { dev_err(&interface->dev, "Out of memory\n"); return -ENOMEM; } /* initialize audio system: */ err = line6_init_audio(&variax->line6); if (err < 0) return err; /* initialize MIDI subsystem: */ err = line6_init_midi(&variax->line6); if (err < 0) return err; /* initiate startup procedure: */ variax_startup1(variax); return 0; }
/* Init workbench device. */ int variax_init(struct usb_interface *interface, struct usb_line6_variax *variax) { int err; if ((interface == NULL) || (variax == NULL)) return -ENODEV; /* initialize USB buffers: */ err = line6_dumpreq_init(&variax->dumpreq, variax_request_model1, sizeof(variax_request_model1)); if (err < 0) { dev_err(&interface->dev, "Out of memory\n"); variax_destruct(interface); return err; } err = line6_dumpreq_initbuf(&variax->dumpreq, variax_request_model2, sizeof(variax_request_model2), 1); if (err < 0) { dev_err(&interface->dev, "Out of memory\n"); variax_destruct(interface); return err; } err = line6_dumpreq_initbuf(&variax->dumpreq, variax_request_bank, sizeof(variax_request_bank), 2); if (err < 0) { dev_err(&interface->dev, "Out of memory\n"); variax_destruct(interface); return err; } variax->buffer_activate = kmalloc(sizeof(variax_activate), GFP_KERNEL); if (variax->buffer_activate == NULL) { dev_err(&interface->dev, "Out of memory\n"); variax_destruct(interface); return -ENOMEM; } memcpy(variax->buffer_activate, variax_activate, sizeof(variax_activate)); init_timer(&variax->activate_timer); /* create sysfs entries: */ err = variax_create_files(0, 0, &interface->dev); if (err < 0) { variax_destruct(interface); return err; } err = variax_create_files2(&interface->dev); if (err < 0) { variax_destruct(interface); return err; } /* initialize audio system: */ err = line6_init_audio(&variax->line6); if (err < 0) { variax_destruct(interface); return err; } /* initialize MIDI subsystem: */ err = line6_init_midi(&variax->line6); if (err < 0) { variax_destruct(interface); return err; } /* register audio system: */ err = line6_register_audio(&variax->line6); if (err < 0) { variax_destruct(interface); return err; } variax_activate_delayed(variax, VARIAX_ACTIVATE_DELAY); line6_startup_delayed(&variax->dumpreq, VARIAX_STARTUP_DELAY, variax_startup_timeout, variax); return 0; }