V4L/DVB: pms: remove unnecessary exclusive open/close
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -61,7 +61,6 @@ struct pms {
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int depth;
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int input;
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s32 brightness, saturation, hue, contrast;
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unsigned long in_use;
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struct mutex lock;
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int i2c_count;
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struct i2c_info i2cinfo[64];
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@ -931,25 +930,8 @@ static ssize_t pms_read(struct file *file, char __user *buf,
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return len;
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}
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static int pms_exclusive_open(struct file *file)
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{
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struct pms *dev = video_drvdata(file);
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return test_and_set_bit(0, &dev->in_use) ? -EBUSY : 0;
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}
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static int pms_exclusive_release(struct file *file)
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{
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struct pms *dev = video_drvdata(file);
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clear_bit(0, &dev->in_use);
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return 0;
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}
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static const struct v4l2_file_operations pms_fops = {
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.owner = THIS_MODULE,
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.open = pms_exclusive_open,
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.release = pms_exclusive_release,
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.ioctl = video_ioctl2,
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.read = pms_read,
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};
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