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

[linux-2.6-omap-h63xx.git] / drivers / media / radio / radio-sf16fmr2.c

diff --git a/drivers/media/radio/radio-sf16fmr2.c b/drivers/media/radio/radio-sf16fmr2.c
index 6290553d24beef56cf55ecfbe55aab32ae0ad620..14153ed939d01559c1e223d4cc6373b717e3a997 100644 (file)
--- a/drivers/media/radio/radio-sf16fmr2.c
+++ b/drivers/media/radio/radio-sf16fmr2.c
@@ -64,6 +64,7 @@ static struct v4l2_queryctrl radio_qctrl[] = {
 /* this should be static vars for module size */
 struct fmr2_device
 {
+       unsigned long in_use;
        int port;
        int curvol; /* 0-15 */
        int mute;
@@ -400,10 +401,21 @@ static int vidioc_s_audio(struct file *file, void *priv,
 
 static struct fmr2_device fmr2_unit;
 
+static int fmr2_exclusive_open(struct inode *inode, struct file *file)
+{
+       return test_and_set_bit(0, &fmr2_unit.in_use) ? -EBUSY : 0;
+}
+
+static int fmr2_exclusive_release(struct inode *inode, struct file *file)
+{
+       clear_bit(0, &fmr2_unit.in_use);
+       return 0;
+}
+
 static const struct file_operations fmr2_fops = {
        .owner          = THIS_MODULE,
-       .open           = video_exclusive_open,
-       .release        = video_exclusive_release,
+       .open           = fmr2_exclusive_open,
+       .release        = fmr2_exclusive_release,
        .ioctl          = video_ioctl2,
 #ifdef CONFIG_COMPAT
        .compat_ioctl   = v4l_compat_ioctl32,