#include <linux/usb/audio.h>
#include <linux/usb/audio-v2.h>
+#include <sound/control.h>
#include <sound/core.h>
#include <sound/info.h>
#include <sound/pcm.h>
* 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;
}
}
- chip->txfr_quirk = 0;
- err = 1; /* continue */
- if (quirk && quirk->ifnum != QUIRK_NO_INTERFACE) {
- /* need some special handlings */
- if ((err = snd_usb_create_quirk(chip, intf, &usb_audio_driver, quirk)) < 0)
- goto __error;
- }
-
/*
* For devices with more than one control interface, we assume the
* first contains the audio controls. We might need a more specific
if (!chip->ctrl_intf)
chip->ctrl_intf = alts;
+ chip->txfr_quirk = 0;
+ err = 1; /* continue */
+ if (quirk && quirk->ifnum != QUIRK_NO_INTERFACE) {
+ /* need some special handlings */
+ if ((err = snd_usb_create_quirk(chip, intf, &usb_audio_driver, quirk)) < 0)
+ goto __error;
+ }
+
if (err > 0) {
/* create normal USB audio interfaces */
if (snd_usb_create_streams(chip, ifnum) < 0 ||
* 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);