diff options
Diffstat (limited to 'include/sound/core.h')
| -rw-r--r-- | include/sound/core.h | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/include/sound/core.h b/include/sound/core.h index a994bea09cd..521f036cce9 100644 --- a/include/sound/core.h +++ b/include/sound/core.h @@ -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 */ |