From ffa9b9f016a9c97a3cc205d0d634b10d8f72eb36 Mon Sep 17 00:00:00 2001 From: Sylwester Nawrocki Date: Tue, 22 Jan 2013 19:01:02 -0300 Subject: [PATCH] [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 Signed-off-by: Mauro Carvalho Chehab --- drivers/media/v4l2-core/v4l2-ctrls.c | 7 +++++++ include/media/v4l2-ctrls.h | 3 +++ 2 files changed, 10 insertions(+) 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 -- 2.7.4