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Diffstat (limited to 'drivers/media/video/meye.h')
-rw-r--r--drivers/media/video/meye.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/media/video/meye.h b/drivers/media/video/meye.h
index e8cd897..0d09a0e 100644
--- a/drivers/media/video/meye.h
+++ b/drivers/media/video/meye.h
@@ -260,6 +260,8 @@
/* private API definitions */
#include <linux/meye.h>
+#include <linux/mutex.h>
+
/* Enable jpg software correction */
#define MEYE_JPEG_CORRECTION 1
@@ -301,7 +303,7 @@ struct meye {
/* list of buffers */
struct meye_grab_buffer grab_buffer[MEYE_MAX_BUFNBRS];
int vma_use_count[MEYE_MAX_BUFNBRS]; /* mmap count */
- struct semaphore lock; /* semaphore for open/mmap... */
+ struct mutex lock; /* mutex for open/mmap... */
struct kfifo *grabq; /* queue for buffers to be grabbed */
spinlock_t grabq_lock; /* lock protecting the queue */
struct kfifo *doneq; /* queue for grabbed buffers */