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

[linux-2.6-omap-h63xx.git] / drivers / media / radio / radio-gemtek-pci.c

diff --git a/drivers/media/radio/radio-gemtek-pci.c b/drivers/media/radio/radio-gemtek-pci.c
index 5cd7f032298d28e1af01a35342b9f332f8e9faa7..a7b9a5df4ca7579c29c9fe6f2e967646a239bb68 100644 (file)
--- a/drivers/media/radio/radio-gemtek-pci.c
+++ b/drivers/media/radio/radio-gemtek-pci.c
@@ -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,