[PATCH 6/7] media: ov13858: Add implementation for events

From: Ricardo Ribalda
Date: Tue Sep 28 2021 - 17:10:49 EST


Use v4l2 control API helpers to support the events.

Fixes v4l2-compliance:

test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVENT: FAIL

Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx>
---
drivers/media/i2c/ov13858.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/media/i2c/ov13858.c b/drivers/media/i2c/ov13858.c
index 7fc70af53e45d..b4d22f5d99337 100644
--- a/drivers/media/i2c/ov13858.c
+++ b/drivers/media/i2c/ov13858.c
@@ -7,6 +7,7 @@
#include <linux/pm_runtime.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>
+#include <media/v4l2-event.h>
#include <media/v4l2-fwnode.h>

#define OV13858_REG_VALUE_08BIT 1
@@ -1553,6 +1554,12 @@ static int ov13858_identify_module(struct ov13858 *ov13858)
return 0;
}

+static const struct v4l2_subdev_core_ops ov13858_core_ops = {
+ .log_status = v4l2_ctrl_subdev_log_status,
+ .subscribe_event = v4l2_ctrl_subdev_subscribe_event,
+ .unsubscribe_event = v4l2_event_subdev_unsubscribe,
+};
+
static const struct v4l2_subdev_video_ops ov13858_video_ops = {
.s_stream = ov13858_set_stream,
};
@@ -1569,6 +1576,7 @@ static const struct v4l2_subdev_sensor_ops ov13858_sensor_ops = {
};

static const struct v4l2_subdev_ops ov13858_subdev_ops = {
+ .core = &ov13858_core_ops,
.video = &ov13858_video_ops,
.pad = &ov13858_pad_ops,
.sensor = &ov13858_sensor_ops,
@@ -1724,7 +1732,8 @@ static int ov13858_probe(struct i2c_client *client,

/* Initialize subdev */
ov13858->sd.internal_ops = &ov13858_internal_ops;
- ov13858->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
+ ov13858->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
+ V4L2_SUBDEV_FL_HAS_EVENTS;
ov13858->sd.entity.ops = &ov13858_subdev_entity_ops;
ov13858->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;

--
2.33.0.685.g46640cef36-goog