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V4L/DVB: pms: remove unnecessary exclusive open/close

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Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2010-03-22 05:09:07 -03:00 committed by Mauro Carvalho Chehab
parent b3e212dcbd
commit 467422678e
1 changed files with 0 additions and 18 deletions
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18
drivers/media/video/pms.c
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@ -61,7 +61,6 @@ struct pms {
int depth;
int input;
s32 brightness, saturation, hue, contrast;
unsigned long in_use;
struct mutex lock;
int i2c_count;
struct i2c_info i2cinfo[64];
@ -931,25 +930,8 @@ static ssize_t pms_read(struct file *file, char __user *buf,
return len;
}
static int pms_exclusive_open(struct file *file)
{
struct pms *dev = video_drvdata(file);
return test_and_set_bit(0, &dev->in_use) ? -EBUSY : 0;
}
static int pms_exclusive_release(struct file *file)
{
struct pms *dev = video_drvdata(file);
clear_bit(0, &dev->in_use);
return 0;
}
static const struct v4l2_file_operations pms_fops = {
.owner = THIS_MODULE,
.open = pms_exclusive_open,
.release = pms_exclusive_release,
.ioctl = video_ioctl2,
.read = pms_read,
};