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path: root/drivers/media/video/v4l2-device.c
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Diffstat (limited to 'drivers/media/video/v4l2-device.c')
-rw-r--r--drivers/media/video/v4l2-device.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/media/video/v4l2-device.c b/drivers/media/video/v4l2-device.c
index 7fe6f92af48..ce64fe16bc6 100644
--- a/drivers/media/video/v4l2-device.c
+++ b/drivers/media/video/v4l2-device.c
@@ -100,6 +100,7 @@ void v4l2_device_unregister(struct v4l2_device *v4l2_dev)
is a platform bus, then it is never deleted. */
if (client)
i2c_unregister_device(client);
+ continue;
}
#endif
#if defined(CONFIG_SPI)
@@ -108,6 +109,7 @@ void v4l2_device_unregister(struct v4l2_device *v4l2_dev)
if (spi)
spi_unregister_device(spi);
+ continue;
}
#endif
}
@@ -126,11 +128,19 @@ int v4l2_device_register_subdev(struct v4l2_device *v4l2_dev,
WARN_ON(sd->v4l2_dev != NULL);
if (!try_module_get(sd->owner))
return -ENODEV;
+ sd->v4l2_dev = v4l2_dev;
+ if (sd->internal_ops && sd->internal_ops->registered) {
+ err = sd->internal_ops->registered(sd);
+ if (err)
+ return err;
+ }
/* This just returns 0 if either of the two args is NULL */
err = v4l2_ctrl_add_handler(v4l2_dev->ctrl_handler, sd->ctrl_handler);
- if (err)
+ if (err) {
+ if (sd->internal_ops && sd->internal_ops->unregistered)
+ sd->internal_ops->unregistered(sd);
return err;
- sd->v4l2_dev = v4l2_dev;
+ }
spin_lock(&v4l2_dev->lock);
list_add_tail(&sd->list, &v4l2_dev->subdevs);
spin_unlock(&v4l2_dev->lock);
@@ -146,6 +156,8 @@ void v4l2_device_unregister_subdev(struct v4l2_subdev *sd)
spin_lock(&sd->v4l2_dev->lock);
list_del(&sd->list);
spin_unlock(&sd->v4l2_dev->lock);
+ if (sd->internal_ops && sd->internal_ops->unregistered)
+ sd->internal_ops->unregistered(sd);
sd->v4l2_dev = NULL;
module_put(sd->owner);
}