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media: ov7670: support log_status ioctl and event interface

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This adds log_status ioctl and event interface for ov7670's v4l2 controls.

Cc: Jonathan Corbet <corbet@lwn.net>
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 11:00:53 -05:00 committed by Mauro Carvalho Chehab
parent 2d18fbc551
commit 7852adf83c
1 changed files with 5 additions and 1 deletions
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6
drivers/media/i2c/ov7670.c
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@ -20,6 +20,7 @@
#include <linux/gpio.h>
#include <linux/gpio/consumer.h>
#include <media/v4l2-device.h>
#include <media/v4l2-event.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-fwnode.h>
#include <media/v4l2-mediabus.h>
@ -1651,6 +1652,9 @@ static int ov7670_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
static const struct v4l2_subdev_core_ops ov7670_core_ops = {
.reset = ov7670_reset,
.init = ov7670_init,
.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 = ov7670_g_register,
.s_register = ov7670_s_register,
@ -1773,7 +1777,7 @@ static int ov7670_probe(struct i2c_client *client,
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
sd->internal_ops = &ov7670_subdev_internal_ops;
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS;
#endif
info->clock_speed = 30; /* default: a guess */