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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.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/media/video/c-qcam.c b/drivers/media/video/c-qcam.c
index cf1546b..fe1e67b 100644
--- a/drivers/media/video/c-qcam.c
+++ b/drivers/media/video/c-qcam.c
@@ -36,6 +36,7 @@
#include <linux/videodev.h>
#include <media/v4l2-common.h>
#include <linux/mutex.h>
+#include <linux/jiffies.h>
#include <asm/uaccess.h>
@@ -69,7 +70,7 @@ struct qcam_device {
static int parport[MAX_CAMS] = { [1 ... MAX_CAMS-1] = -1 };
static int probe = 2;
-static int force_rgb = 0;
+static int force_rgb;
static int video_nr = -1;
static inline void qcam_set_ack(struct qcam_device *qcam, unsigned int i)
@@ -95,7 +96,8 @@ static unsigned int qcam_await_ready1(struct qcam_device *qcam,
unsigned long oldjiffies = jiffies;
unsigned int i;
- for (oldjiffies = jiffies; (jiffies - oldjiffies) < msecs_to_jiffies(40); )
+ for (oldjiffies = jiffies;
+ time_before(jiffies, oldjiffies + msecs_to_jiffies(40)); )
if (qcam_ready1(qcam) == value)
return 0;
@@ -120,7 +122,8 @@ static unsigned int qcam_await_ready2(struct qcam_device *qcam, int value)
unsigned long oldjiffies = jiffies;
unsigned int i;
- for (oldjiffies = jiffies; (jiffies - oldjiffies) < msecs_to_jiffies(40); )
+ for (oldjiffies = jiffies;
+ time_before(jiffies, oldjiffies + msecs_to_jiffies(40)); )
if (qcam_ready2(qcam) == value)
return 0;
@@ -689,7 +692,9 @@ static const struct file_operations qcam_fops = {
.open = video_exclusive_open,
.release = video_exclusive_release,
.ioctl = qcam_ioctl,
+#ifdef CONFIG_COMPAT
.compat_ioctl = v4l_compat_ioctl32,
+#endif
.read = qcam_read,
.llseek = no_llseek,
};
@@ -741,7 +746,7 @@ static struct qcam_device *qcam_init(struct parport *port)
}
static struct qcam_device *qcams[MAX_CAMS];
-static unsigned int num_cams = 0;
+static unsigned int num_cams;
static int init_cqcam(struct parport *port)
{
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