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authorPavel Roskin <proski@gnu.org>2011-07-06 11:20:13 -0400
committerTakashi Iwai <tiwai@suse.de>2011-07-08 10:10:25 +0200
commit81b85b6bd91e58bf800cbb3047aa74e61aff7bd9 (patch)
tree78b8980a956c2e71484c8401cf161d9a28d36863 /sound/usb
parent80b52490cdbfec7ea93d1158f13f0e49a1557423 (diff)
downloadlinux-linaro-precise-81b85b6bd91e58bf800cbb3047aa74e61aff7bd9.tar.gz
ALSA: usb-audio: replace "void *" with more specific pointers
Signed-off-by: Pavel Roskin <proski@gnu.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb')
-rw-r--r--sound/usb/card.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/sound/usb/card.c b/sound/usb/card.c
index 220c6167dd8..781d9e61adf 100644
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -433,9 +433,10 @@ static int snd_usb_audio_create(struct usb_device *dev, int idx,
* 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;
@@ -540,16 +541,15 @@ static void *snd_usb_audio_probe(struct usb_device *dev,
* 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(&register_mutex);
mutex_lock(&chip->shutdown_mutex);
@@ -585,7 +585,7 @@ static void snd_usb_audio_disconnect(struct usb_device *dev, void *ptr)
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);