media: ov2640: support log_status ioctl and event interface

This adds log_status ioctl and event interface for ov2640's v4l2 controls.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Akinobu Mita 2018-11-12 11:00:51 -05:00 committed by Mauro Carvalho Chehab
parent 6210500691
commit c65455160a

View File

@ -26,6 +26,7 @@
#include <linux/videodev2.h>
#include <media/v4l2-device.h>
#include <media/v4l2-event.h>
#include <media/v4l2-subdev.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-image-sizes.h>
@ -1096,6 +1097,9 @@ static const struct v4l2_ctrl_ops ov2640_ctrl_ops = {
};
static const struct v4l2_subdev_core_ops ov2640_subdev_core_ops = {
.log_status = v4l2_ctrl_subdev_log_status,
.subscribe_event = v4l2_ctrl_subdev_subscribe_event,
.unsubscribe_event = v4l2_event_subdev_unsubscribe,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.g_register = ov2640_g_register,
.s_register = ov2640_s_register,
@ -1190,7 +1194,8 @@ static int ov2640_probe(struct i2c_client *client,
goto err_clk;
v4l2_i2c_subdev_init(&priv->subdev, client, &ov2640_subdev_ops);
priv->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
priv->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
V4L2_SUBDEV_FL_HAS_EVENTS;
mutex_init(&priv->lock);
v4l2_ctrl_handler_init(&priv->hdl, 3);
priv->hdl.lock = &priv->lock;