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[media] V4L: Add v4l2_ctrl_subdev_log_status() helper function

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This patch adds a v4l2 core helper function that can be used as
the log_status handler for subdevs that only need to log state
of the v4l2 controls owned by the subdev's control handler.

Signed-off-by: Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Sylwester Nawrocki
2013-01-22 19:01:02 -03:00
committed by Mauro Carvalho Chehab
parent 22fa4279ee
commit ffa9b9f016
2 changed files with 10 additions and 0 deletions
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3
include/media/v4l2-ctrls.h
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@@ -659,4 +659,7 @@ int v4l2_subdev_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl);
int v4l2_ctrl_subdev_subscribe_event(struct v4l2_subdev *sd, struct v4l2_fh *fh,
struct v4l2_event_subscription *sub);
/* Log all controls owned by subdev's control handler. */
int v4l2_ctrl_subdev_log_status(struct v4l2_subdev *sd);
#endif