1/*
 2 * Line6 Linux USB driver - 0.9.1beta
 3 *
 4 * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
 5 *
 6 *	This program is free software; you can redistribute it and/or
 7 *	modify it under the terms of the GNU General Public License as
 8 *	published by the Free Software Foundation, version 2.
 9 *
10 */
11
12#include <sound/core.h>
13#include <sound/initval.h>
14
15#include "driver.h"
16#include "audio.h"
17
18static int line6_index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
19static char *line6_id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
20
21/*
22	Initialize the Line6 USB audio system.
23*/
24int line6_init_audio(struct usb_line6 *line6)
25{
26	static int dev;
27	struct snd_card *card;
28	int err;
29
30	err = snd_card_create(line6_index[dev], line6_id[dev], THIS_MODULE, 0,
31			      &card);
32	if (err < 0)
33		return err;
34
35	line6->card = card;
36
37	strcpy(card->id, line6->properties->id);
38	strcpy(card->driver, DRIVER_NAME);
39	strcpy(card->shortname, line6->properties->name);
40	/* longname is 80 chars - see asound.h */
41	sprintf(card->longname, "Line6 %s at USB %s", line6->properties->name,
42		dev_name(line6->ifcdev));
43	return 0;
44}
45
46/*
47	Register the Line6 USB audio system.
48*/
49int line6_register_audio(struct usb_line6 *line6)
50{
51	int err;
52
53	err = snd_card_register(line6->card);
54	if (err < 0)
55		return err;
56
57	return 0;
58}
59
60/*
61	Cleanup the Line6 USB audio system.
62*/
63void line6_cleanup_audio(struct usb_line6 *line6)
64{
65	struct snd_card *card = line6->card;
66
67	if (card == NULL)
68		return;
69
70	snd_card_disconnect(card);
71	snd_card_free(card);
72	line6->card = NULL;
73}