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

[linux-2.6-omap-h63xx.git] / drivers / media / radio / radio-sf16fmi.c

diff --git a/drivers/media/radio/radio-sf16fmi.c b/drivers/media/radio/radio-sf16fmi.c
index 0d478f54a90770810198a3e14551ac287b807353..55f8334513f30b7e91eb36ef8a24ef965b6b9b72 100644 (file)
--- a/drivers/media/radio/radio-sf16fmi.c
+++ b/drivers/media/radio/radio-sf16fmi.c
@@ -45,6 +45,7 @@ static struct v4l2_queryctrl radio_qctrl[] = {
 
 struct fmi_device
 {
+       unsigned long in_use;
        int port;
        int curvol; /* 1 or 0 */
        unsigned long curfreq; /* freq in kHz */
@@ -284,10 +285,21 @@ static int vidioc_s_audio(struct file *file, void *priv,
 
 static struct fmi_device fmi_unit;
 
+static int fmi_exclusive_open(struct inode *inode, struct file *file)
+{
+       return test_and_set_bit(0, &fmi_unit.in_use) ? -EBUSY : 0;
+}
+
+static int fmi_exclusive_release(struct inode *inode, struct file *file)
+{
+       clear_bit(0, &fmi_unit.in_use);
+       return 0;
+}
+
 static const struct file_operations fmi_fops = {
        .owner          = THIS_MODULE,
-       .open           = video_exclusive_open,
-       .release        = video_exclusive_release,
+       .open           = fmi_exclusive_open,
+       .release        = fmi_exclusive_release,
        .ioctl          = video_ioctl2,
 #ifdef CONFIG_COMPAT
        .compat_ioctl   = v4l_compat_ioctl32,