示例#1
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;
}
示例#2
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;
}