Two new helper functions are added here for cleaning up the existing lengthy calls.
Signed-off-by: Takashi Iwai tiwai@suse.de --- include/sound/info.h | 35 +++++++++++++++++++++++++++++++++++ sound/core/info.c | 31 +++++++++++++++++++++++++++++++ 2 files changed, 66 insertions(+)
diff --git a/include/sound/info.h b/include/sound/info.h index becdf66d2825..96530f7599e1 100644 --- a/include/sound/info.h +++ b/include/sound/info.h @@ -160,6 +160,13 @@ static inline void snd_info_set_text_ops(struct snd_info_entry *entry, entry->c.text.read = read; }
+int snd_card_rw_proc_new(struct snd_card *card, const char *name, + void *private_data, + void (*read)(struct snd_info_entry *, + struct snd_info_buffer *), + void (*write)(struct snd_info_entry *entry, + struct snd_info_buffer *buffer)); + int snd_info_check_reserved_words(const char *str);
#else @@ -189,10 +196,38 @@ static inline int snd_card_proc_new(struct snd_card *card, const char *name, static inline void snd_info_set_text_ops(struct snd_info_entry *entry __attribute__((unused)), void *private_data, void (*read)(struct snd_info_entry *, struct snd_info_buffer *)) {} +static inline int snd_card_rw_proc_new(struct snd_card *card, const char *name, + void *private_data, + void (*read)(struct snd_info_entry *, + struct snd_info_buffer *), + void (*write)(struct snd_info_entry *entry, + struct snd_info_buffer *buffer)) +{ + return 0; +} static inline int snd_info_check_reserved_words(const char *str) { return 1; }
#endif
+/** + * snd_card_ro_proc_new - Create a read-only text proc file entry for the card + * @card: the card instance + * @name: the file name + * @private_data: the arbitrary private data + * @read: the read callback + * + * This proc file entry will be registered via snd_card_register() call, and + * it will be removed automatically at the card removal, too. + */ +static inline int +snd_card_ro_proc_new(struct snd_card *card, const char *name, + void *private_data, + void (*read)(struct snd_info_entry *, + struct snd_info_buffer *)) +{ + return snd_card_rw_proc_new(card, name, private_data, read, NULL); +} + /* * OSS info part */ diff --git a/sound/core/info.c b/sound/core/info.c index 2dfb6389c084..6f047582d0a5 100644 --- a/sound/core/info.c +++ b/sound/core/info.c @@ -863,6 +863,37 @@ int snd_info_register(struct snd_info_entry * entry) } EXPORT_SYMBOL(snd_info_register);
+/** + * snd_card_ro_proc_new - Create a read/write text proc file entry for the card + * @card: the card instance + * @name: the file name + * @private_data: the arbitrary private data + * @read: the read callback + * + * This proc file entry will be registered via snd_card_register() call, and + * it will be removed automatically at the card removal, too. + */ +int snd_card_rw_proc_new(struct snd_card *card, const char *name, + void *private_data, + void (*read)(struct snd_info_entry *, + struct snd_info_buffer *), + void (*write)(struct snd_info_entry *entry, + struct snd_info_buffer *buffer)) +{ + struct snd_info_entry *entry; + + entry = snd_info_create_card_entry(card, name, card->proc_root); + if (!entry) + return -ENOMEM; + snd_info_set_text_ops(entry, private_data, read); + if (write) { + entry->mode |= 0200; + entry->c.text.write = write; + } + return 0; +} +EXPORT_SYMBOL_GPL(snd_card_rw_proc_new); + /*
*/