1 files changed, 71 insertions, 0 deletions
diff --git a/sound/usb/line6/audio.c b/sound/usb/line6/audio.c
new file mode 100644
index 000000000000..171d80c1b020
--- /dev/null
+++ b/sound/usb/line6/audio.c
@@ -0,0 +1,71 @@
+/*
+ * 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;
+}
+
+/*
+	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;
+}
+
+/*
+	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;
+}