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V4L/DVB (8776): radio: replace video_exclusive_open/release

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Move the video_exclusive_open/release functionality into the driver itself.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil
2008-08-23 04:49:13 -03:00
committed by Mauro Carvalho Chehab
parent 3b5df8ea40
commit 3ca685aae0
13 changed files with 185 additions and 31 deletions
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16
drivers/media/radio/radio-aztech.c
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@@ -70,6 +70,7 @@ static struct mutex lock;
struct az_device
{
unsigned long in_use;
int curvol;
unsigned long curfreq;
int stereo;
@@ -342,10 +343,21 @@ static int vidioc_s_ctrl (struct file *file, void *priv,
static struct az_device aztech_unit;
static int aztech_exclusive_open(struct inode *inode, struct file *file)
{
return test_and_set_bit(0, &aztech_unit.in_use) ? -EBUSY : 0;
}
static int aztech_exclusive_release(struct inode *inode, struct file *file)
{
clear_bit(0, &aztech_unit.in_use);
return 0;
}
static const struct file_operations aztech_fops = {
.owner = THIS_MODULE,
.open = video_exclusive_open,
.release = video_exclusive_release,
.open = aztech_exclusive_open,
.release = aztech_exclusive_release,
.ioctl = video_ioctl2,
#ifdef CONFIG_COMPAT
.compat_ioctl = v4l_compat_ioctl32,