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V4L/DVB: radio-am800: let v4l2_device_(un)register handle usb_get/set_intfdata

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v4l2_device_register already sets the usb intfdata to v4l2_dev. So use
that instead.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2010-05-02 05:36:32 -03:00 committed by Mauro Carvalho Chehab
parent dd0daf2a6f
commit a2bdc5e6c4
1 changed files with 9 additions and 10 deletions
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19
drivers/media/radio/radio-mr800.c
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@ -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 @@ static int usb_amradio_init(struct amradio_device *radio)
/* 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 @@ static long usb_amradio_ioctl(struct file *file, unsigned int cmd,
/* 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: