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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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18
drivers/media/radio/radio-maestro.c
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@@ -75,7 +75,21 @@ static struct v4l2_queryctrl radio_qctrl[] = {
static int radio_nr = -1;
module_param(radio_nr, int, 0);
static unsigned long in_use;
static int maestro_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
static int maestro_exclusive_open(struct inode *inode, struct file *file)
{
return test_and_set_bit(0, &in_use) ? -EBUSY : 0;
}
static int maestro_exclusive_release(struct inode *inode, struct file *file)
{
clear_bit(0, &in_use);
return 0;
}
static void maestro_remove(struct pci_dev *pdev);
static struct pci_device_id maestro_r_pci_tbl[] = {
@@ -98,8 +112,8 @@ static struct pci_driver maestro_r_driver = {
static const struct file_operations maestro_fops = {
.owner = THIS_MODULE,
.open = video_exclusive_open,
.release = video_exclusive_release,
.open = maestro_exclusive_open,
.release = maestro_exclusive_release,
.ioctl = video_ioctl2,
#ifdef CONFIG_COMPAT
.compat_ioctl = v4l_compat_ioctl32,