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path: root/drivers/usb/media/usbvideo.h
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Diffstat (limited to 'drivers/usb/media/usbvideo.h')
-rw-r--r--drivers/usb/media/usbvideo.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/usb/media/usbvideo.h b/drivers/usb/media/usbvideo.h
index 6c390a1f981b..135433c2680a 100644
--- a/drivers/usb/media/usbvideo.h
+++ b/drivers/usb/media/usbvideo.h
@@ -19,6 +19,7 @@
#include <linux/config.h>
#include <linux/videodev.h>
#include <linux/usb.h>
+#include <linux/mutex.h>
/* Most helpful debugging aid */
#define assert(expr) ((void) ((expr) ? 0 : (err("assert failed at line %d",__LINE__))))
@@ -213,7 +214,7 @@ struct uvd {
unsigned long flags; /* FLAGS_USBVIDEO_xxx */
unsigned long paletteBits; /* Which palettes we accept? */
unsigned short defaultPalette; /* What palette to use for read() */
- struct semaphore lock;
+ struct mutex lock;
int user; /* user count for exclusive use */
videosize_t videosize; /* Current setting */
@@ -272,7 +273,7 @@ struct usbvideo {
int num_cameras; /* As allocated */
struct usb_driver usbdrv; /* Interface to the USB stack */
char drvName[80]; /* Driver name */
- struct semaphore lock; /* Mutex protecting camera structures */
+ struct mutex lock; /* Mutex protecting camera structures */
struct usbvideo_cb cb; /* Table of callbacks (virtual methods) */
struct video_device vdt; /* Video device template */
struct uvd *cam; /* Array of camera structures */