Commit c2eb9c4e authored by Jaroslav Kysela's avatar Jaroslav Kysela Committed by Takashi Iwai

ALSA: when card identification is changed, change also /proc/asound symlink

Signed-off-by: default avatarJaroslav Kysela <perex@perex.cz>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 9fb6198e
......@@ -126,6 +126,7 @@ int snd_info_card_create(struct snd_card * card);
int snd_info_card_register(struct snd_card * card);
int snd_info_card_free(struct snd_card * card);
void snd_info_card_disconnect(struct snd_card * card);
void snd_info_card_id_change(struct snd_card * card);
int snd_info_register(struct snd_info_entry * entry);
/* for card drivers */
......@@ -160,6 +161,7 @@ static inline int snd_info_card_create(struct snd_card * card) { return 0; }
static inline int snd_info_card_register(struct snd_card * card) { return 0; }
static inline int snd_info_card_free(struct snd_card * card) { return 0; }
static inline void snd_info_card_disconnect(struct snd_card * card) { }
static inline void snd_info_card_id_change(struct snd_card * card) { }
static inline int snd_info_register(struct snd_info_entry * entry) { return 0; }
static inline int snd_card_proc_new(struct snd_card *card, const char *name,
......
......@@ -652,6 +652,23 @@ int snd_info_card_register(struct snd_card *card)
return 0;
}
/*
* called on card->id change
*/
void snd_info_card_id_change(struct snd_card *card)
{
mutex_lock(&info_mutex);
if (card->proc_root_link) {
snd_remove_proc_entry(snd_proc_root, card->proc_root_link);
card->proc_root_link = NULL;
}
if (strcmp(card->id, card->proc_root->name))
card->proc_root_link = proc_symlink(card->id,
snd_proc_root,
card->proc_root->name);
mutex_unlock(&info_mutex);
}
/*
* de-register the card proc file
* called from init.c
......
......@@ -571,6 +571,7 @@ card_id_store_attr(struct device *dev, struct device_attribute *attr,
goto __exist;
}
strcpy(card->id, buf1);
snd_info_card_id_change(card);
mutex_unlock(&snd_card_mutex);
return count;
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment