#define __SOUND_MIXART_H
#include <linux/interrupt.h>
+#include <linux/mutex.h>
#include <sound/pcm.h>
#define MIXART_DRIVER_VERSION 0x000100 /* 0.1.0 */
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 */
int sample_rate;
int ref_count_rate;
- struct semaphore mixer_mutex; /* mutex for mixer */
+ struct mutex mixer_mutex; /* mutex for mixer */
};