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path: root/drivers/media/video/c-qcam.c
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Diffstat (limited to 'drivers/media/video/c-qcam.c')
-rw-r--r--drivers/media/video/c-qcam.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/media/video/c-qcam.c b/drivers/media/video/c-qcam.c
index 9976db4f6da8..8211fd8d7cbf 100644
--- a/drivers/media/video/c-qcam.c
+++ b/drivers/media/video/c-qcam.c
@@ -34,7 +34,8 @@
#include <linux/parport.h>
#include <linux/sched.h>
#include <linux/videodev.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
+
#include <asm/uaccess.h>
struct qcam_device {
@@ -47,7 +48,7 @@ struct qcam_device {
int contrast, brightness, whitebal;
int top, left;
unsigned int bidirectional;
- struct semaphore lock;
+ struct mutex lock;
};
/* cameras maximum */
@@ -581,11 +582,11 @@ static int qcam_do_ioctl(struct inode *inode, struct file *file,
qcam->contrast = p->contrast>>8;
qcam->whitebal = p->whiteness>>8;
- down(&qcam->lock);
+ mutex_lock(&qcam->lock);
parport_claim_or_block(qcam->pdev);
qc_setup(qcam);
parport_release(qcam->pdev);
- up(&qcam->lock);
+ mutex_unlock(&qcam->lock);
return 0;
}
case VIDIOCSWIN:
@@ -628,11 +629,11 @@ static int qcam_do_ioctl(struct inode *inode, struct file *file,
#endif
/* Ok we figured out what to use from our
wide choice */
- down(&qcam->lock);
+ mutex_lock(&qcam->lock);
parport_claim_or_block(qcam->pdev);
qc_setup(qcam);
parport_release(qcam->pdev);
- up(&qcam->lock);
+ mutex_unlock(&qcam->lock);
return 0;
}
case VIDIOCGWIN:
@@ -672,12 +673,12 @@ static ssize_t qcam_read(struct file *file, char __user *buf,
struct qcam_device *qcam=(struct qcam_device *)v;
int len;
- down(&qcam->lock);
+ mutex_lock(&qcam->lock);
parport_claim_or_block(qcam->pdev);
/* Probably should have a semaphore against multiple users */
len = qc_capture(qcam, buf,count);
parport_release(qcam->pdev);
- up(&qcam->lock);
+ mutex_unlock(&qcam->lock);
return len;
}
@@ -727,7 +728,7 @@ static struct qcam_device *qcam_init(struct parport *port)
memcpy(&q->vdev, &qcam_template, sizeof(qcam_template));
- init_MUTEX(&q->lock);
+ mutex_init(&q->lock);
q->width = q->ccd_width = 320;
q->height = q->ccd_height = 240;
q->mode = QC_MILLIONS | QC_DECIMATION_1;