[media] sn9c102_core: add v4l2_device and replace parent with v4l2_dev
This driver did not yet support struct v4l2_device, so add it. This make it possible to replace the deprecated parent field with the v4l2_dev field, allowing the eventual removal of the parent field. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -25,6 +25,7 @@
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#include <linux/videodev2.h>
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#include <media/v4l2-common.h>
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#include <media/v4l2-ioctl.h>
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#include <media/v4l2-device.h>
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#include <linux/device.h>
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#include <linux/list.h>
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#include <linux/spinlock.h>
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@ -100,6 +101,8 @@ static DECLARE_RWSEM(sn9c102_dev_lock);
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struct sn9c102_device {
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struct video_device* v4ldev;
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struct v4l2_device v4l2_dev;
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enum sn9c102_bridge bridge;
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struct sn9c102_sensor sensor;
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@ -1737,6 +1737,7 @@ static void sn9c102_release_resources(struct kref *kref)
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video_device_node_name(cam->v4ldev));
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video_set_drvdata(cam->v4ldev, NULL);
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video_unregister_device(cam->v4ldev);
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v4l2_device_unregister(&cam->v4l2_dev);
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usb_put_dev(cam->usbdev);
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kfree(cam->control_buffer);
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kfree(cam);
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@ -3254,6 +3255,13 @@ sn9c102_usb_probe(struct usb_interface* intf, const struct usb_device_id* id)
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cam->usbdev = udev;
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/* register v4l2_device early so it can be used for printks */
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if (v4l2_device_register(&intf->dev, &cam->v4l2_dev)) {
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dev_err(&intf->dev, "v4l2_device_register failed\n");
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err = -ENOMEM;
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goto fail;
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}
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if (!(cam->control_buffer = kzalloc(8, GFP_KERNEL))) {
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DBG(1, "kzalloc() failed");
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err = -ENOMEM;
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@ -3325,7 +3333,7 @@ sn9c102_usb_probe(struct usb_interface* intf, const struct usb_device_id* id)
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strcpy(cam->v4ldev->name, "SN9C1xx PC Camera");
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cam->v4ldev->fops = &sn9c102_fops;
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cam->v4ldev->release = video_device_release;
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cam->v4ldev->parent = &udev->dev;
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cam->v4ldev->v4l2_dev = &cam->v4l2_dev;
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init_completion(&cam->probe);
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@ -3377,6 +3385,7 @@ fail:
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kfree(cam->control_buffer);
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if (cam->v4ldev)
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video_device_release(cam->v4ldev);
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v4l2_device_unregister(&cam->v4l2_dev);
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kfree(cam);
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}
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return err;
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@ -3407,6 +3416,8 @@ static void sn9c102_usb_disconnect(struct usb_interface* intf)
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wake_up_interruptible_all(&cam->wait_open);
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v4l2_device_disconnect(&cam->v4l2_dev);
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kref_put(&cam->kref, sn9c102_release_resources);
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up_write(&sn9c102_dev_lock);
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