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#include <linux/export.h>
15
16#include "driver.h"
17#include "audio.h"
18
19static int line6_index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
20static char *line6_id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
21
22/*
23	Initialize the Line6 USB audio system.
24*/
25int line6_init_audio(struct usb_line6 *line6)
26{
27	static int dev;
28	struct snd_card *card;
29	int err;
30
31	err = snd_card_create(line6_index[dev], line6_id[dev], THIS_MODULE, 0,
32			      &card);
33	if (err < 0)
34		return err;
35
36	line6->card = card;
37
38	strcpy(card->id, line6->properties->id);
39	strcpy(card->driver, DRIVER_NAME);
40	strcpy(card->shortname, line6->properties->name);
41	/* longname is 80 chars - see asound.h */
42	sprintf(card->longname, "Line6 %s at USB %s", line6->properties->name,
43		dev_name(line6->ifcdev));
44	return 0;
45}
46
47/*
48	Register the Line6 USB audio system.
49*/
50int line6_register_audio(struct usb_line6 *line6)
51{
52	int err;
53
54	err = snd_card_register(line6->card);
55	if (err < 0)
56		return err;
57
58	return 0;
59}
60
61/*
62	Cleanup the Line6 USB audio system.
63*/
64void line6_cleanup_audio(struct usb_line6 *line6)
65{
66	struct snd_card *card = line6->card;
67
68	if (card == NULL)
69		return;
70
71	snd_card_disconnect(card);
72	snd_card_free(card);
73	line6->card = NULL;
74}
75