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@xxxxxxxxx>
---
drivers/media/v4l2-core/v4l2-ctrls.c | 7 +++++++
include/media/v4l2-ctrls.h | 3 +++
2 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c
index 9051ec5..6b28b58 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls.c
@@ -2004,6 +2004,13 @@ void v4l2_ctrl_handler_log_status(struct v4l2_ctrl_handler *hdl,
}
EXPORT_SYMBOL(v4l2_ctrl_handler_log_status);
+int v4l2_ctrl_subdev_log_status(struct v4l2_subdev *sd)
+{
+ v4l2_ctrl_handler_log_status(sd->ctrl_handler, sd->name);
+ return 0;
+}
+EXPORT_SYMBOL(v4l2_ctrl_subdev_log_status);
+
/* Call s_ctrl for all controls owned by the handler */
int v4l2_ctrl_handler_setup(struct v4l2_ctrl_handler *hdl)
{
diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h
index 1e84946..f00d42b 100644
--- a/include/media/v4l2-ctrls.h
+++ b/include/media/v4l2-ctrls.h
@@ -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
--
1.7.4.1
--
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