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-rw-r--r--include/sound/opl3.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/sound/opl3.h b/include/sound/opl3.h
index 83392641cb4..444907166f9 100644
--- a/include/sound/opl3.h
+++ b/include/sound/opl3.h
@@ -53,6 +53,7 @@
#include "driver.h"
#include <linux/time.h>
+#include <linux/mutex.h>
#include "core.h"
#include "hwdep.h"
#include "timer.h"
@@ -312,7 +313,7 @@ struct snd_opl3 {
int sys_timer_status; /* system timer run status */
spinlock_t sys_timer_lock; /* Lock for system timer access */
#endif
- struct semaphore access_mutex; /* locking */
+ struct mutex access_mutex; /* locking */
};
/* opl3.c */