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authorJaroslav Kysela <perex@perex.cz>2008-11-12 10:31:37 -0500
committerTakashi Iwai <tiwai@suse.de>2008-11-12 11:07:37 -0500
commitc2eb9c4ea383aee154e7139395872c4da629e715 (patch)
tree1a041003b3260354b6ad5e0ca728ff614f10ca01 /sound/core
parent9fb6198e8c574c6547fbfac0ae1eaf7894ddfdcc (diff)
ALSA: when card identification is changed, change also /proc/asound symlink
Signed-off-by: Jaroslav Kysela <perex@perex.cz> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/core')
-rw-r--r--sound/core/info.c17
-rw-r--r--sound/core/init.c1
2 files changed, 18 insertions, 0 deletions
diff --git a/sound/core/info.c b/sound/core/info.c
index 527b207462b0..70fa87189f36 100644
--- a/sound/core/info.c
+++ b/sound/core/info.c
@@ -653,6 +653,23 @@ int snd_info_card_register(struct snd_card *card)
653} 653}
654 654
655/* 655/*
656 * called on card->id change
657 */
658void snd_info_card_id_change(struct snd_card *card)
659{
660 mutex_lock(&info_mutex);
661 if (card->proc_root_link) {
662 snd_remove_proc_entry(snd_proc_root, card->proc_root_link);
663 card->proc_root_link = NULL;
664 }
665 if (strcmp(card->id, card->proc_root->name))
666 card->proc_root_link = proc_symlink(card->id,
667 snd_proc_root,
668 card->proc_root->name);
669 mutex_unlock(&info_mutex);
670}
671
672/*
656 * de-register the card proc file 673 * de-register the card proc file
657 * called from init.c 674 * called from init.c
658 */ 675 */
diff --git a/sound/core/init.c b/sound/core/init.c
index 5ff297d1d89a..af1e407ca27f 100644
--- a/sound/core/init.c
+++ b/sound/core/init.c
@@ -571,6 +571,7 @@ card_id_store_attr(struct device *dev, struct device_attribute *attr,
571 goto __exist; 571 goto __exist;
572 } 572 }
573 strcpy(card->id, buf1); 573 strcpy(card->id, buf1);
574 snd_info_card_id_change(card);
574 mutex_unlock(&snd_card_mutex); 575 mutex_unlock(&snd_card_mutex);
575 576
576 return count; 577 return count;