/*
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;
}