Two new helper functions are added here for cleaning up the existing
lengthy calls.
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
---
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);
+
/*
*/
--
2.16.4
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