summaryrefslogtreecommitdiff
path: root/sound
diff options
context:
space:
mode:
Diffstat (limited to 'sound')
-rw-r--r--sound/usb/card.c30
1 files changed, 5 insertions, 25 deletions
diff --git a/sound/usb/card.c b/sound/usb/card.c
index 54c77d407a6d..c80224807e8f 100644
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -342,8 +342,9 @@ static int snd_usb_create_streams(struct snd_usb_audio *chip, int ctrlif)
*
*/
-static int snd_usb_audio_free(struct snd_usb_audio *chip)
+static void snd_usb_audio_free(struct snd_card *card)
{
+ struct snd_usb_audio *chip = card->private_data;
struct snd_usb_endpoint *ep, *n;
list_for_each_entry_safe(ep, n, &chip->ep_list, list)
@@ -352,14 +353,6 @@ static int snd_usb_audio_free(struct snd_usb_audio *chip)
mutex_destroy(&chip->mutex);
if (!atomic_read(&chip->shutdown))
dev_set_drvdata(&chip->dev->dev, NULL);
- kfree(chip);
- return 0;
-}
-
-static int snd_usb_audio_dev_free(struct snd_device *device)
-{
- struct snd_usb_audio *chip = device->device_data;
- return snd_usb_audio_free(chip);
}
static void usb_audio_make_shortname(struct usb_device *dev,
@@ -459,9 +452,6 @@ static int snd_usb_audio_create(struct usb_interface *intf,
struct snd_usb_audio *chip;
int err;
char component[14];
- static struct snd_device_ops ops = {
- .dev_free = snd_usb_audio_dev_free,
- };
*rchip = NULL;
@@ -479,18 +469,13 @@ static int snd_usb_audio_create(struct usb_interface *intf,
}
err = snd_card_new(&intf->dev, index[idx], id[idx], THIS_MODULE,
- 0, &card);
+ sizeof(*chip), &card);
if (err < 0) {
dev_err(&dev->dev, "cannot create card instance %d\n", idx);
return err;
}
- chip = kzalloc(sizeof(*chip), GFP_KERNEL);
- if (! chip) {
- snd_card_free(card);
- return -ENOMEM;
- }
-
+ chip = card->private_data;
mutex_init(&chip->mutex);
init_waitqueue_head(&chip->shutdown_wait);
chip->index = idx;
@@ -508,12 +493,7 @@ static int snd_usb_audio_create(struct usb_interface *intf,
INIT_LIST_HEAD(&chip->midi_list);
INIT_LIST_HEAD(&chip->mixer_list);
- err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
- if (err < 0) {
- snd_usb_audio_free(chip);
- snd_card_free(card);
- return err;
- }
+ card->private_free = snd_usb_audio_free;
strcpy(card->driver, "USB-Audio");
sprintf(component, "USB%04x:%04x",