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/*
* Line6 Linux USB driver - 0.9.1beta
*
* Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, version 2.
*
*/
#include <sound/core.h>
#include <sound/initval.h>
#include <linux/export.h>
#include "driver.h"
#include "audio.h"
/*
Initialize the Line6 USB audio system.
*/
int line6_init_audio(struct usb_line6 *line6)
{
struct snd_card *card;
int err;
err = snd_card_new(line6->ifcdev,
SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1,
THIS_MODULE, 0, &card);
if (err < 0)
return err;
line6->card = card;
strcpy(card->id, line6->properties->id);
strcpy(card->driver, DRIVER_NAME);
strcpy(card->shortname, line6->properties->name);
/* longname is 80 chars - see asound.h */
sprintf(card->longname, "Line6 %s at USB %s", line6->properties->name,
dev_name(line6->ifcdev));
return 0;
}
EXPORT_SYMBOL_GPL(line6_init_audio);
/*
Register the Line6 USB audio system.
*/
int line6_register_audio(struct usb_line6 *line6)
{
int err;
err = snd_card_register(line6->card);
if (err < 0)
return err;
return 0;
}
EXPORT_SYMBOL_GPL(line6_register_audio);
/*
Cleanup the Line6 USB audio system.
*/
void line6_cleanup_audio(struct usb_line6 *line6)
{
struct snd_card *card = line6->card;
if (card == NULL)
return;
snd_card_disconnect(card);
snd_card_free(card);
line6->card = NULL;
}
EXPORT_SYMBOL_GPL(line6_cleanup_audio);
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