ALSA: info: Add standard helpers for card proc file entries
Two new helper functions are added here for cleaning up the existing
lengthy calls.
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/include/sound/info.h b/include/sound/info.h
index becdf66..96530f7 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
*/