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Diffstat (limited to 'sound/pci/mixart/mixart.h')
-rw-r--r--sound/pci/mixart/mixart.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/sound/pci/mixart/mixart.h b/sound/pci/mixart/mixart.h
index 3e84863ca02..561634d5c00 100644
--- a/sound/pci/mixart/mixart.h
+++ b/sound/pci/mixart/mixart.h
@@ -24,6 +24,7 @@
#define __SOUND_MIXART_H
#include <linux/interrupt.h>
+#include <linux/mutex.h>
#include <sound/pcm.h>
#define MIXART_DRIVER_VERSION 0x000100 /* 0.1.0 */
@@ -92,9 +93,9 @@ struct mixart_mgr {
spinlock_t lock; /* interrupt spinlock */
spinlock_t msg_lock; /* mailbox spinlock */
- struct semaphore msg_mutex; /* mutex for blocking_requests */
+ struct mutex msg_mutex; /* mutex for blocking_requests */
- struct semaphore setup_mutex; /* mutex used in hw_params, open and close */
+ struct mutex setup_mutex; /* mutex used in hw_params, open and close */
/* hardware interface */
unsigned int dsp_loaded; /* bit flags of loaded dsp indices */
@@ -107,7 +108,7 @@ struct mixart_mgr {
int sample_rate;
int ref_count_rate;
- struct semaphore mixer_mutex; /* mutex for mixer */
+ struct mutex mixer_mutex; /* mutex for mixer */
};