1 /* SPDX-License-Identifier: GPL-2.0-or-later */
31 	void (*read)(struct snd_info_entry *entry,
33 	void (*write)(struct snd_info_entry *entry,
38 	int (*open)(struct snd_info_entry *entry,
40 	int (*release)(struct snd_info_entry *entry,
42 	ssize_t (*read)(struct snd_info_entry *entry, void *file_private_data,
45 	ssize_t (*write)(struct snd_info_entry *entry, void *file_private_data,
48 	loff_t (*llseek)(struct snd_info_entry *entry,
51 	__poll_t (*poll)(struct snd_info_entry *entry,
54 	int (*ioctl)(struct snd_info_entry *entry, void *file_private_data,
56 	int (*mmap)(struct snd_info_entry *entry, void *file_private_data,
64 	const char *name;  member
75 	void (*private_free)(struct snd_info_entry *entry);
103  * snd_iprintf - printf on the procfs buffer
112 	seq_printf((struct seq_file *)(buf)->buffer, fmt, ##args)
120 					       const char *name,
123 					     const char *name,
125 void snd_info_free_entry(struct snd_info_entry *entry);
126 int snd_info_store_text(struct snd_info_entry *entry);
127 int snd_info_restore_text(struct snd_info_entry *entry);
134 int snd_info_register(struct snd_info_entry *entry);
137 static inline int snd_card_proc_new(struct snd_card *card, const char *name,  in snd_card_proc_new()  argument
140 	*entryp = snd_info_create_card_entry(card, name, card->proc_root);  in snd_card_proc_new()
141 	return *entryp ? 0 : -ENOMEM;  in snd_card_proc_new()
144 static inline void snd_info_set_text_ops(struct snd_info_entry *entry,   in snd_info_set_text_ops()  argument
148 	entry->private_data = private_data;  in snd_info_set_text_ops()
149 	entry->c.text.read = read;  in snd_info_set_text_ops()
152 int snd_card_rw_proc_new(struct snd_card *card, const char *name,
156 			 void (*write)(struct snd_info_entry *entry,
172 …fo_entry *snd_info_create_module_entry(struct module *module, const char *name, struct snd_info_en…  in snd_info_create_module_entry()  argument
173 …info_entry *snd_info_create_card_entry(struct snd_card *card, const char *name, struct snd_info_en…  in snd_info_create_card_entry()  argument
174 static inline void snd_info_free_entry(struct snd_info_entry *entry) { ; }  in snd_info_free_entry()  argument
181 static inline int snd_info_register(struct snd_info_entry *entry) { return 0; }  in snd_info_register()  argument
183 static inline int snd_card_proc_new(struct snd_card *card, const char *name,  in snd_card_proc_new()  argument
184 				    struct snd_info_entry **entryp) { return -EINVAL; }  in snd_card_proc_new()
185 static inline void snd_info_set_text_ops(struct snd_info_entry *entry __attribute__((unused)),  in snd_info_set_text_ops()  argument
188 static inline int snd_card_rw_proc_new(struct snd_card *card, const char *name,  in snd_card_rw_proc_new()  argument
192 				       void (*write)(struct snd_info_entry *entry,  in snd_card_rw_proc_new()  argument
202  * snd_card_ro_proc_new - Create a read-only text proc file entry for the card
204  * @name: the file name
208  * This proc file entry will be registered via snd_card_register() call, and
212 snd_card_ro_proc_new(struct snd_card *card, const char *name,  in snd_card_ro_proc_new()  argument
217 	return snd_card_rw_proc_new(card, name, private_data, read, NULL);  in snd_card_ro_proc_new()