Merge branch 'topic/udev-id-rename' into to-push
This commit is contained in:
commit
5ce442fe2c
5 changed files with 144 additions and 50 deletions
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@ -40,30 +40,34 @@ struct snd_info_buffer {
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struct snd_info_entry;
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struct snd_info_entry_text {
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void (*read) (struct snd_info_entry *entry, struct snd_info_buffer *buffer);
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void (*write) (struct snd_info_entry *entry, struct snd_info_buffer *buffer);
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void (*read)(struct snd_info_entry *entry,
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struct snd_info_buffer *buffer);
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void (*write)(struct snd_info_entry *entry,
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struct snd_info_buffer *buffer);
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};
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struct snd_info_entry_ops {
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int (*open) (struct snd_info_entry *entry,
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unsigned short mode, void **file_private_data);
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int (*release) (struct snd_info_entry * entry,
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unsigned short mode, void *file_private_data);
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long (*read) (struct snd_info_entry *entry, void *file_private_data,
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struct file * file, char __user *buf,
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int (*open)(struct snd_info_entry *entry,
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unsigned short mode, void **file_private_data);
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int (*release)(struct snd_info_entry *entry,
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unsigned short mode, void *file_private_data);
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long (*read)(struct snd_info_entry *entry, void *file_private_data,
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struct file *file, char __user *buf,
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unsigned long count, unsigned long pos);
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long (*write)(struct snd_info_entry *entry, void *file_private_data,
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struct file *file, const char __user *buf,
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unsigned long count, unsigned long pos);
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long (*write) (struct snd_info_entry *entry, void *file_private_data,
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struct file * file, const char __user *buf,
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unsigned long count, unsigned long pos);
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long long (*llseek) (struct snd_info_entry *entry, void *file_private_data,
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struct file * file, long long offset, int orig);
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unsigned int (*poll) (struct snd_info_entry *entry, void *file_private_data,
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struct file * file, poll_table * wait);
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int (*ioctl) (struct snd_info_entry *entry, void *file_private_data,
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struct file * file, unsigned int cmd, unsigned long arg);
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int (*mmap) (struct snd_info_entry *entry, void *file_private_data,
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struct inode * inode, struct file * file,
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struct vm_area_struct * vma);
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long long (*llseek)(struct snd_info_entry *entry,
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void *file_private_data, struct file *file,
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long long offset, int orig);
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unsigned int(*poll)(struct snd_info_entry *entry,
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void *file_private_data, struct file *file,
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poll_table *wait);
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int (*ioctl)(struct snd_info_entry *entry, void *file_private_data,
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struct file *file, unsigned int cmd, unsigned long arg);
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int (*mmap)(struct snd_info_entry *entry, void *file_private_data,
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struct inode *inode, struct file *file,
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struct vm_area_struct *vma);
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};
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struct snd_info_entry {
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@ -106,34 +110,37 @@ void snd_card_info_read_oss(struct snd_info_buffer *buffer);
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static inline void snd_card_info_read_oss(struct snd_info_buffer *buffer) {}
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#endif
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int snd_iprintf(struct snd_info_buffer * buffer, char *fmt,...) __attribute__ ((format (printf, 2, 3)));
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int snd_iprintf(struct snd_info_buffer *buffer, char *fmt, ...) \
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__attribute__ ((format (printf, 2, 3)));
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int snd_info_init(void);
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int snd_info_done(void);
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int snd_info_get_line(struct snd_info_buffer * buffer, char *line, int len);
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int snd_info_get_line(struct snd_info_buffer *buffer, char *line, int len);
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char *snd_info_get_str(char *dest, char *src, int len);
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struct snd_info_entry *snd_info_create_module_entry(struct module * module,
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struct snd_info_entry *snd_info_create_module_entry(struct module *module,
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const char *name,
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struct snd_info_entry * parent);
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struct snd_info_entry *snd_info_create_card_entry(struct snd_card * card,
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struct snd_info_entry *parent);
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struct snd_info_entry *snd_info_create_card_entry(struct snd_card *card,
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const char *name,
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struct snd_info_entry * parent);
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void snd_info_free_entry(struct snd_info_entry * entry);
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int snd_info_store_text(struct snd_info_entry * entry);
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int snd_info_restore_text(struct snd_info_entry * entry);
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struct snd_info_entry *parent);
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void snd_info_free_entry(struct snd_info_entry *entry);
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int snd_info_store_text(struct snd_info_entry *entry);
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int snd_info_restore_text(struct snd_info_entry *entry);
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int snd_info_card_create(struct snd_card * card);
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int snd_info_card_register(struct snd_card * card);
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int snd_info_card_free(struct snd_card * card);
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void snd_info_card_disconnect(struct snd_card * card);
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int snd_info_register(struct snd_info_entry * entry);
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int snd_info_card_create(struct snd_card *card);
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int snd_info_card_register(struct snd_card *card);
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int snd_info_card_free(struct snd_card *card);
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void snd_info_card_disconnect(struct snd_card *card);
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void snd_info_card_id_change(struct snd_card *card);
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int snd_info_register(struct snd_info_entry *entry);
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/* for card drivers */
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int snd_card_proc_new(struct snd_card *card, const char *name, struct snd_info_entry **entryp);
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int snd_card_proc_new(struct snd_card *card, const char *name,
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struct snd_info_entry **entryp);
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static inline void snd_info_set_text_ops(struct snd_info_entry *entry,
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void *private_data,
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void (*read)(struct snd_info_entry *, struct snd_info_buffer *))
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void *private_data,
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void (*read)(struct snd_info_entry *, struct snd_info_buffer *))
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{
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entry->private_data = private_data;
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entry->c.text.read = read;
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@ -146,21 +153,22 @@ int snd_info_check_reserved_words(const char *str);
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#define snd_seq_root NULL
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#define snd_oss_root NULL
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static inline int snd_iprintf(struct snd_info_buffer * buffer, char *fmt,...) { return 0; }
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static inline int snd_iprintf(struct snd_info_buffer *buffer, char *fmt, ...) { return 0; }
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static inline int snd_info_init(void) { return 0; }
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static inline int snd_info_done(void) { return 0; }
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static inline int snd_info_get_line(struct snd_info_buffer * buffer, char *line, int len) { return 0; }
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static inline int snd_info_get_line(struct snd_info_buffer *buffer, char *line, int len) { return 0; }
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static inline char *snd_info_get_str(char *dest, char *src, int len) { return NULL; }
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static inline struct snd_info_entry *snd_info_create_module_entry(struct module * module, const char *name, struct snd_info_entry * parent) { return NULL; }
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static inline struct snd_info_entry *snd_info_create_card_entry(struct snd_card * card, const char *name, struct snd_info_entry * parent) { return NULL; }
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static inline void snd_info_free_entry(struct snd_info_entry * entry) { ; }
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static inline struct snd_info_entry *snd_info_create_module_entry(struct module *module, const char *name, struct snd_info_entry *parent) { return NULL; }
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static inline struct snd_info_entry *snd_info_create_card_entry(struct snd_card *card, const char *name, struct snd_info_entry *parent) { return NULL; }
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static inline void snd_info_free_entry(struct snd_info_entry *entry) { ; }
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static inline int snd_info_card_create(struct snd_card * card) { return 0; }
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static inline int snd_info_card_register(struct snd_card * card) { return 0; }
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static inline int snd_info_card_free(struct snd_card * card) { return 0; }
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static inline void snd_info_card_disconnect(struct snd_card * card) { }
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static inline int snd_info_register(struct snd_info_entry * entry) { return 0; }
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static inline int snd_info_card_create(struct snd_card *card) { return 0; }
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static inline int snd_info_card_register(struct snd_card *card) { return 0; }
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static inline int snd_info_card_free(struct snd_card *card) { return 0; }
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static inline void snd_info_card_disconnect(struct snd_card *card) { }
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static inline void snd_info_card_id_change(struct snd_card *card) { }
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static inline int snd_info_register(struct snd_info_entry *entry) { return 0; }
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static inline int snd_card_proc_new(struct snd_card *card, const char *name,
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struct snd_info_entry **entryp) { return -EINVAL; }
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@ -652,6 +652,23 @@ int snd_info_card_register(struct snd_card *card)
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return 0;
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}
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/*
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* called on card->id change
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*/
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void snd_info_card_id_change(struct snd_card *card)
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{
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mutex_lock(&info_mutex);
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if (card->proc_root_link) {
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snd_remove_proc_entry(snd_proc_root, card->proc_root_link);
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card->proc_root_link = NULL;
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}
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if (strcmp(card->id, card->proc_root->name))
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card->proc_root_link = proc_symlink(card->id,
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snd_proc_root,
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card->proc_root->name);
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mutex_unlock(&info_mutex);
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}
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/*
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* de-register the card proc file
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* called from init.c
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@ -533,6 +533,65 @@ static void choose_default_id(struct snd_card *card)
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}
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}
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#ifndef CONFIG_SYSFS_DEPRECATED
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static ssize_t
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card_id_show_attr(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct snd_card *card = dev_get_drvdata(dev);
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return snprintf(buf, PAGE_SIZE, "%s\n", card ? card->id : "(null)");
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}
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static ssize_t
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card_id_store_attr(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count)
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{
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struct snd_card *card = dev_get_drvdata(dev);
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char buf1[sizeof(card->id)];
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size_t copy = count > sizeof(card->id) - 1 ?
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sizeof(card->id) - 1 : count;
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size_t idx;
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int c;
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for (idx = 0; idx < copy; idx++) {
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c = buf[idx];
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if (!isalnum(c) && c != '_' && c != '-')
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return -EINVAL;
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}
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memcpy(buf1, buf, copy);
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buf1[copy] = '\0';
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mutex_lock(&snd_card_mutex);
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if (!snd_info_check_reserved_words(buf1)) {
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__exist:
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mutex_unlock(&snd_card_mutex);
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return -EEXIST;
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}
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for (idx = 0; idx < snd_ecards_limit; idx++) {
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if (snd_cards[idx] && !strcmp(snd_cards[idx]->id, buf1))
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goto __exist;
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}
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strcpy(card->id, buf1);
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snd_info_card_id_change(card);
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mutex_unlock(&snd_card_mutex);
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return count;
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}
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static struct device_attribute card_id_attrs =
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__ATTR(id, S_IRUGO | S_IWUSR, card_id_show_attr, card_id_store_attr);
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static ssize_t
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card_number_show_attr(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct snd_card *card = dev_get_drvdata(dev);
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return snprintf(buf, PAGE_SIZE, "%i\n", card ? card->number : -1);
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}
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static struct device_attribute card_number_attrs =
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__ATTR(number, S_IRUGO, card_number_show_attr, NULL);
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#endif /* CONFIG_SYSFS_DEPRECATED */
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/**
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* snd_card_register - register the soundcard
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* @card: soundcard structure
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@ -553,7 +612,7 @@ int snd_card_register(struct snd_card *card)
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#ifndef CONFIG_SYSFS_DEPRECATED
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if (!card->card_dev) {
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card->card_dev = device_create(sound_class, card->dev,
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MKDEV(0, 0), NULL,
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MKDEV(0, 0), card,
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"card%i", card->number);
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if (IS_ERR(card->card_dev))
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card->card_dev = NULL;
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@ -575,6 +634,16 @@ int snd_card_register(struct snd_card *card)
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#if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE)
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if (snd_mixer_oss_notify_callback)
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snd_mixer_oss_notify_callback(card, SND_MIXER_OSS_NOTIFY_REGISTER);
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#endif
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#ifndef CONFIG_SYSFS_DEPRECATED
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if (card->card_dev) {
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err = device_create_file(card->card_dev, &card_id_attrs);
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if (err < 0)
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return err;
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err = device_create_file(card->card_dev, &card_number_attrs);
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if (err < 0)
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return err;
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}
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#endif
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return 0;
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}
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@ -1452,7 +1452,7 @@ static int snd_hdsp_create_midi (struct snd_card *card, struct hdsp *hdsp, int i
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if (snd_rawmidi_new (card, buf, id, 1, 1, &hdsp->midi[id].rmidi) < 0)
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return -1;
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sprintf (hdsp->midi[id].rmidi->name, "%s MIDI %d", card->id, id+1);
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sprintf(hdsp->midi[id].rmidi->name, "HDSP MIDI %d", id+1);
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hdsp->midi[id].rmidi->private_data = &hdsp->midi[id];
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snd_rawmidi_set_ops (hdsp->midi[id].rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_hdsp_midi_output);
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@ -1293,7 +1293,7 @@ static int __devinit snd_hdspm_create_midi (struct snd_card *card,
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if (err < 0)
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return err;
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sprintf (hdspm->midi[id].rmidi->name, "%s MIDI %d", card->id, id+1);
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sprintf(hdspm->midi[id].rmidi->name, "HDSPM MIDI %d", id+1);
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hdspm->midi[id].rmidi->private_data = &hdspm->midi[id];
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snd_rawmidi_set_ops(hdspm->midi[id].rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
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