* only at the first time. the successive calls of this function will
* append the pcm interface to the corresponding card.
*/
-static void *snd_usb_audio_probe(struct usb_device *dev,
- struct usb_interface *intf,
- const struct usb_device_id *usb_id)
+static struct snd_usb_audio *
+snd_usb_audio_probe(struct usb_device *dev,
+ struct usb_interface *intf,
+ const struct usb_device_id *usb_id)
{
const struct snd_usb_audio_quirk *quirk = (const struct snd_usb_audio_quirk *)usb_id->driver_info;
int i, err;
* we need to take care of counter, since disconnection can be called also
* many times as well as usb_audio_probe().
*/
-static void snd_usb_audio_disconnect(struct usb_device *dev, void *ptr)
+static void snd_usb_audio_disconnect(struct usb_device *dev,
+ struct snd_usb_audio *chip)
{
- struct snd_usb_audio *chip;
struct snd_card *card;
struct list_head *p;
- if (ptr == (void *)-1L)
+ if (chip == (void *)-1L)
return;
- chip = ptr;
card = chip->card;
mutex_lock(®ister_mutex);
mutex_lock(&chip->shutdown_mutex);
static int usb_audio_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
- void *chip;
+ struct snd_usb_audio *chip;
chip = snd_usb_audio_probe(interface_to_usbdev(intf), intf, id);
if (chip) {
usb_set_intfdata(intf, chip);