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path: root/drivers/media/radio/radio-mr800.c
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Diffstat (limited to 'drivers/media/radio/radio-mr800.c')
-rw-r--r--drivers/media/radio/radio-mr800.c19
1 files changed, 9 insertions, 10 deletions
diff --git a/drivers/media/radio/radio-mr800.c b/drivers/media/radio/radio-mr800.c
index 02a9cef..353b828 100644
--- a/drivers/media/radio/radio-mr800.c
+++ b/drivers/media/radio/radio-mr800.c
@@ -144,7 +144,10 @@ struct amradio_device {
int initialized;
};
-#define vdev_to_amradio(r) container_of(r, struct amradio_device, videodev)
+static inline struct amradio_device *to_amradio_dev(struct v4l2_device *v4l2_dev)
+{
+ return container_of(v4l2_dev, struct amradio_device, v4l2_dev);
+}
/* USB Device ID List */
static struct usb_device_id usb_amradio_device_table[] = {
@@ -284,13 +287,12 @@ static int amradio_set_stereo(struct amradio_device *radio, char argument)
*/
static void usb_amradio_disconnect(struct usb_interface *intf)
{
- struct amradio_device *radio = usb_get_intfdata(intf);
+ struct amradio_device *radio = to_amradio_dev(usb_get_intfdata(intf));
mutex_lock(&radio->lock);
radio->usbdev = NULL;
mutex_unlock(&radio->lock);
- usb_set_intfdata(intf, NULL);
v4l2_device_disconnect(&radio->v4l2_dev);
video_unregister_device(&radio->videodev);
}
@@ -500,7 +502,7 @@ out:
/* open device - amradio_start() and amradio_setfreq() */
static int usb_amradio_open(struct file *file)
{
- struct amradio_device *radio = vdev_to_amradio(video_devdata(file));
+ struct amradio_device *radio = video_drvdata(file);
int retval = 0;
mutex_lock(&radio->lock);
@@ -566,7 +568,7 @@ unlock:
/* Suspend device - stop device. Need to be checked and fixed */
static int usb_amradio_suspend(struct usb_interface *intf, pm_message_t message)
{
- struct amradio_device *radio = usb_get_intfdata(intf);
+ struct amradio_device *radio = to_amradio_dev(usb_get_intfdata(intf));
mutex_lock(&radio->lock);
@@ -584,7 +586,7 @@ static int usb_amradio_suspend(struct usb_interface *intf, pm_message_t message)
/* Resume device - start device. Need to be checked and fixed */
static int usb_amradio_resume(struct usb_interface *intf)
{
- struct amradio_device *radio = usb_get_intfdata(intf);
+ struct amradio_device *radio = to_amradio_dev(usb_get_intfdata(intf));
mutex_lock(&radio->lock);
@@ -633,9 +635,7 @@ static const struct v4l2_ioctl_ops usb_amradio_ioctl_ops = {
static void usb_amradio_video_device_release(struct video_device *videodev)
{
- struct amradio_device *radio = vdev_to_amradio(videodev);
-
- v4l2_device_unregister(&radio->v4l2_dev);
+ struct amradio_device *radio = video_get_drvdata(videodev);
/* free rest memory */
kfree(radio->buffer);
@@ -693,7 +693,6 @@ static int usb_amradio_probe(struct usb_interface *intf,
goto err_vdev;
}
- usb_set_intfdata(intf, radio);
return 0;
err_vdev:
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