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Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6 

* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6:
  [PATCH] ALSA: Fix sysfs breakage
This commit is contained in:
Linus Torvalds 2007-01-30 08:34:02 -08:00
parent 701dfbc1cb 7d2aae1e88
commit 08456d10a6
4 changed files with 28 additions and 16 deletions
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18
include/sound/core.h
View File

@ -132,8 +132,10 @@ struct snd_card {
int shutdown; /* this card is going down */
int free_on_last_close; /* free in context of file_release */
wait_queue_head_t shutdown_sleep;
struct device *parent;
struct device *dev;
struct device *dev; /* device assigned to this card */
#ifndef CONFIG_SYSFS_DEPRECATED
struct device *card_dev; /* cardX object for sysfs */
#endif
#ifdef CONFIG_PM
unsigned int power_state; /* power state */
@ -191,6 +193,16 @@ struct snd_minor {
struct device *dev; /* device for sysfs */
};
/* return a device pointer linked to each sound device as a parent */
static inline struct device *snd_card_get_device_link(struct snd_card *card)
{
#ifdef CONFIG_SYSFS_DEPRECATED
return card ? card->dev : NULL;
#else
return card ? card->card_dev : NULL;
#endif
}
/* sound.c */
extern int snd_major;
@ -257,7 +269,7 @@ int snd_card_file_add(struct snd_card *card, struct file *file);
int snd_card_file_remove(struct snd_card *card, struct file *file);
#ifndef snd_card_set_dev
#define snd_card_set_dev(card,devptr) ((card)->parent = (devptr))
#define snd_card_set_dev(card,devptr) ((card)->dev = (devptr))
#endif
/* device.c */

18
sound/core/init.c
View File

@ -361,8 +361,10 @@ static int snd_card_do_free(struct snd_card *card)
snd_printk(KERN_WARNING "unable to free card info\n");
/* Not fatal error */
}
if (card->dev)
device_unregister(card->dev);
#ifndef CONFIG_SYSFS_DEPRECATED
if (card->card_dev)
device_unregister(card->card_dev);
#endif
kfree(card);
return 0;
}
@ -497,12 +499,14 @@ int snd_card_register(struct snd_card *card)
int err;
snd_assert(card != NULL, return -EINVAL);
if (!card->dev) {
card->dev = device_create(sound_class, card->parent, 0,
"card%i", card->number);
if (IS_ERR(card->dev))
card->dev = NULL;
#ifndef CONFIG_SYSFS_DEPRECATED
if (!card->card_dev) {
card->card_dev = device_create(sound_class, card->dev, 0,
"card%i", card->number);
if (IS_ERR(card->card_dev))
card->card_dev = NULL;
}
#endif
if ((err = snd_device_register_all(card)) < 0)
return err;
mutex_lock(&snd_card_mutex);

4
sound/core/sound.c
View File

@ -238,7 +238,7 @@ int snd_register_device(int type, struct snd_card *card, int dev,
{
int minor;
struct snd_minor *preg;
struct device *device = NULL;
struct device *device = snd_card_get_device_link(card);
snd_assert(name, return -EINVAL);
preg = kmalloc(sizeof *preg, GFP_KERNEL);
@ -263,8 +263,6 @@ int snd_register_device(int type, struct snd_card *card, int dev,
return minor;
}
snd_minors[minor] = preg;
if (card)
device = card->dev;
preg->dev = device_create(sound_class, device, MKDEV(major, minor),
"%s", name);
if (preg->dev)

4
sound/core/sound_oss.c
View File

@ -106,7 +106,7 @@ int snd_register_oss_device(int type, struct snd_card *card, int dev,
int cidx = SNDRV_MINOR_OSS_CARD(minor);
int track2 = -1;
int register1 = -1, register2 = -1;
struct device *carddev = NULL;
struct device *carddev = snd_card_get_device_link(card);
if (card && card->number >= 8)
return 0; /* ignore silently */
@ -134,8 +134,6 @@ int snd_register_oss_device(int type, struct snd_card *card, int dev,
track2 = SNDRV_MINOR_OSS(cidx, SNDRV_MINOR_OSS_DMMIDI1);
break;
}
if (card)
carddev = card->dev;
register1 = register_sound_special_device(f_ops, minor, carddev);
if (register1 != minor)
goto __end;