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[media] media-device.h: Let clearer that entity function must be initialized

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Improve the documentation to let it clear that the entity function
must be initialized.

Suggested-by: Laurent Pinchart <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
This commit is contained in:
Mauro Carvalho Chehab 2015-12-11 12:41:12 -02:00
commit d1b9da2d60
2 changed files with 5 additions and 1 deletions
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4
include/media/media-device.h
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@ -423,6 +423,10 @@ void media_device_unregister(struct media_device *mdev);
* %MEDIA_ENT_FL_DEFAULT indicates the default entity for a given type.
* This can be used to report the default audio and video devices or the
* default camera sensor.
*
* NOTE: Drivers should set the entity function before calling this function.
* Please notice that the values %MEDIA_ENT_F_V4L2_SUBDEV_UNKNOWN and
* %MEDIA_ENT_F_UNKNOWN should not be used by the drivers.
*/
int __must_check media_device_register_entity(struct media_device *mdev,
struct media_entity *entity);