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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-gemtek-pci.c
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@@ -100,9 +100,8 @@ struct gemtek_pci_card {
u8 mute;
};
static const char rcsid[] = "$Id: radio-gemtek-pci.c,v 1.1 2001/07/23 08:08:16 ted Exp ted $";
static int nr_radio = -1;
static unsigned long in_use;
static inline u8 gemtek_pci_out( u16 value, u32 port )
{
@@ -364,10 +363,21 @@ MODULE_DEVICE_TABLE( pci, gemtek_pci_id );
static int mx = 1;
static int gemtek_pci_exclusive_open(struct inode *inode, struct file *file)
{
return test_and_set_bit(0, &in_use) ? -EBUSY : 0;
}
static int gemtek_pci_exclusive_release(struct inode *inode, struct file *file)
{
clear_bit(0, &in_use);
return 0;
}
static const struct file_operations gemtek_pci_fops = {
.owner = THIS_MODULE,
.open = video_exclusive_open,
.release = video_exclusive_release,
.open = gemtek_pci_exclusive_open,
.release = gemtek_pci_exclusive_release,
.ioctl = video_ioctl2,
#ifdef CONFIG_COMPAT
.compat_ioctl = v4l_compat_ioctl32,