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authorHans Verkuil <hverkuil@xs4all.nl>2009-03-08 06:56:19 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-03-30 12:43:11 -0300
commit4e06839fc7221872d7868855c05659f08d1c9f3d (patch)
treee41d15ad4995e26bd1258827c03c55c9e828f625 /drivers/media/video/w9968cf.c
parent78175bf2c5e4beb0874aee27dcfce58c4c7d4fb4 (diff)
V4L/DVB (10873): w9968cf: add v4l2_device.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/w9968cf.c')
-rw-r--r--drivers/media/video/w9968cf.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/media/video/w9968cf.c b/drivers/media/video/w9968cf.c
index 105a832531f..3318be5688c 100644
--- a/drivers/media/video/w9968cf.c
+++ b/drivers/media/video/w9968cf.c
@@ -3495,12 +3495,14 @@ w9968cf_usb_probe(struct usb_interface* intf, const struct usb_device_id* id)
if (!cam)
return -ENOMEM;
+ err = v4l2_device_register(&udev->dev, &cam->v4l2_dev);
+ if (err)
+ goto fail0;
+
mutex_init(&cam->dev_mutex);
mutex_lock(&cam->dev_mutex);
cam->usbdev = udev;
- /* NOTE: a local copy is used to avoid possible race conditions */
- memcpy(&cam->dev, &udev->dev, sizeof(struct device));
DBG(2, "%s detected", symbolic(camlist, mod_id))
@@ -3549,7 +3551,7 @@ w9968cf_usb_probe(struct usb_interface* intf, const struct usb_device_id* id)
cam->v4ldev->minor = video_nr[dev_nr];
cam->v4ldev->release = video_device_release;
video_set_drvdata(cam->v4ldev, cam);
- cam->v4ldev->parent = &cam->dev;
+ cam->v4ldev->v4l2_dev = &cam->v4l2_dev;
err = video_register_device(cam->v4ldev, VFL_TYPE_GRABBER,
video_nr[dev_nr]);
@@ -3579,6 +3581,9 @@ w9968cf_usb_probe(struct usb_interface* intf, const struct usb_device_id* id)
usb_set_intfdata(intf, cam);
mutex_unlock(&cam->dev_mutex);
+
+ if (ovmod_load)
+ request_module("ovcamchip");
return 0;
fail: /* Free unused memory */
@@ -3587,6 +3592,8 @@ fail: /* Free unused memory */
if (cam->v4ldev)
video_device_release(cam->v4ldev);
mutex_unlock(&cam->dev_mutex);
+ v4l2_device_unregister(&cam->v4l2_dev);
+fail0:
kfree(cam);
return err;
}
@@ -3622,8 +3629,10 @@ static void w9968cf_usb_disconnect(struct usb_interface* intf)
mutex_unlock(&cam->dev_mutex);
- if (!cam->users)
+ if (!cam->users) {
+ v4l2_device_unregister(&cam->v4l2_dev);
kfree(cam);
+ }
}
up_write(&w9968cf_disconnect);
@@ -3650,9 +3659,6 @@ static int __init w9968cf_module_init(void)
KDBG(2, W9968CF_MODULE_NAME" "W9968CF_MODULE_VERSION)
KDBG(3, W9968CF_MODULE_AUTHOR)
- if (ovmod_load)
- request_module("ovcamchip");
-
if ((err = usb_register(&w9968cf_usb_driver)))
return err;