diff options
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/v4l2-device.h | 13 | ||||
| -rw-r--r-- | include/media/v4l2-subdev.h | 3 |
2 files changed, 16 insertions, 0 deletions
diff --git a/include/media/v4l2-device.h b/include/media/v4l2-device.h index d61febfb1668..c9b1593923f6 100644 --- a/include/media/v4l2-device.h +++ b/include/media/v4l2-device.h @@ -190,4 +190,17 @@ v4l2_device_register_subdev_nodes(struct v4l2_device *v4l2_dev); ##args); \ }) +#define v4l2_device_has_op(v4l2_dev, o, f) \ +({ \ + struct v4l2_subdev *__sd; \ + bool __result = false; \ + list_for_each_entry(__sd, &(v4l2_dev)->subdevs, list) { \ + if (v4l2_subdev_has_op(__sd, o, f)) { \ + __result = true; \ + break; \ + } \ + } \ + __result; \ +}) + #endif diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index 8158a0810fdc..c42703a37602 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -687,4 +687,7 @@ void v4l2_subdev_init(struct v4l2_subdev *sd, ((!(sd) || !(sd)->v4l2_dev || !(sd)->v4l2_dev->notify) ? -ENODEV : \ (sd)->v4l2_dev->notify((sd), (notification), (arg))) +#define v4l2_subdev_has_op(sd, o, f) \ + ((sd)->ops->o && (sd)->ops->o->f) + #endif |