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[media] au0828: don't change global state information on open() 

Just opening a device shouldn't have any side-effects.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2013-03-11 16:12:17 -03:00 committed by Mauro Carvalho Chehab
parent fa09cb9a99
commit de8d2bbf0a
1 changed files with 2 additions and 7 deletions
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9
drivers/media/usb/au0828/au0828-video.c
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@ -1005,11 +1005,6 @@ static int au0828_v4l2_open(struct file *filp)
printk(KERN_INFO "Au0828 can't set alternate to 5!\n");
return -EBUSY;
}
dev->width = NTSC_STD_W;
dev->height = NTSC_STD_H;
dev->frame_size = dev->width * dev->height * 2;
dev->field_size = dev->width * dev->height;
dev->bytesperline = dev->width * 2;
au0828_analog_stream_enable(dev);
au0828_analog_stream_reset(dev);
@ -1031,8 +1026,6 @@ static int au0828_v4l2_open(struct file *filp)
&dev->lock);
/* VBI Setup */
dev->vbi_width = 720;
dev->vbi_height = 1;
videobuf_queue_vmalloc_init(&fh->vb_vbiq, &au0828_vbi_qops,
NULL, &dev->slock,
V4L2_BUF_TYPE_VBI_CAPTURE,
@ -1984,6 +1977,8 @@ int au0828_analog_register(struct au0828_dev *dev,
dev->field_size = dev->width * dev->height;
dev->frame_size = dev->field_size << 1;
dev->bytesperline = dev->width << 1;
dev->vbi_width = 720;
dev->vbi_height = 1;
dev->ctrl_ainput = 0;
dev->ctrl_freq = 960;
dev->std = V4L2_STD_NTSC_M;