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authorTakashi Iwai <tiwai@suse.de>2006-05-15 19:49:05 +0200
committerJaroslav Kysela <perex@suse.cz>2006-06-22 21:33:37 +0200
commit746df94898554b3d8e91d855e934852e626c701c (patch)
treedc312e426d52804d98080af18f12f5b14010d2e5 /include/sound/core.h
parent[ALSA] hda-codec - Fix handling of capture controls on ALC882 3/6-stack models (diff)
downloadlinux-746df94898554b3d8e91d855e934852e626c701c.tar.xz
linux-746df94898554b3d8e91d855e934852e626c701c.zip
[ALSA] Fix rwlock around snd_iprintf() in sound core
Fixed rwlock around snd_iprintf() in sound core part. Replaced with mutex. Also, make mutex and flags static variables with addition of snd_card_locked() function (just for sound.c). Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/sound/core.h')
-rw-r--r--include/sound/core.h3
1 files changed, 1 insertions, 2 deletions
diff --git a/include/sound/core.h b/include/sound/core.h
index 5135147f20e8..5d184be0ff72 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -233,9 +233,8 @@ int copy_from_user_toio(volatile void __iomem *dst, const void __user *src, size
/* init.c */
-extern unsigned int snd_cards_lock;
extern struct snd_card *snd_cards[SNDRV_CARDS];
-extern rwlock_t snd_card_rwlock;
+int snd_card_locked(int card);
#if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE)
#define SND_MIXER_OSS_NOTIFY_REGISTER 0
#define SND_MIXER_OSS_NOTIFY_DISCONNECT 1