[media] V4L: Add v4l2_ctrl_subdev_log_status() helper function
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>
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@ -2004,6 +2004,13 @@ void v4l2_ctrl_handler_log_status(struct v4l2_ctrl_handler *hdl,
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}
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EXPORT_SYMBOL(v4l2_ctrl_handler_log_status);
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int v4l2_ctrl_subdev_log_status(struct v4l2_subdev *sd)
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{
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v4l2_ctrl_handler_log_status(sd->ctrl_handler, sd->name);
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return 0;
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}
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EXPORT_SYMBOL(v4l2_ctrl_subdev_log_status);
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/* Call s_ctrl for all controls owned by the handler */
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int v4l2_ctrl_handler_setup(struct v4l2_ctrl_handler *hdl)
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{
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@ -659,4 +659,7 @@ int v4l2_subdev_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl);
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int v4l2_ctrl_subdev_subscribe_event(struct v4l2_subdev *sd, struct v4l2_fh *fh,
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struct v4l2_event_subscription *sub);
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/* Log all controls owned by subdev's control handler. */
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int v4l2_ctrl_subdev_log_status(struct v4l2_subdev *sd);
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#endif
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