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Commit 988b3ae3 authored by Todor Tomov's avatar Todor Tomov Committed by Mauro Carvalho Chehab
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media: camss: csid: Add support for events triggered by user controls 



Changing a user control value can trigger an event to other
users. Add support for that.

Signed-off-by: default avatarTodor Tomov <todor.tomov@linaro.org>
Acked-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: default avatarHans Verkuil <hansverk@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+samsung@kernel.org>
parent e1cf4b2f

drivers/media/platform/qcom/camss/camss-csid.c

+5 −1
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 
#include <linux/regulator/consumer.h>

#include <media/media-entity.h>

#include <media/v4l2-device.h>

#include <media/v4l2-event.h>

#include <media/v4l2-subdev.h>



#include "camss-csid.h"
@@ -1273,6 +1274,8 @@ static int csid_link_setup(struct media_entity *entity, 


static const struct v4l2_subdev_core_ops csid_core_ops = {

	.s_power = csid_set_power,

	.subscribe_event = v4l2_ctrl_subdev_subscribe_event,

	.unsubscribe_event = v4l2_event_subdev_unsubscribe,

};



static const struct v4l2_subdev_video_ops csid_video_ops = {
@@ -1318,7 +1321,8 @@ int msm_csid_register_entity(struct csid_device *csid, 


	v4l2_subdev_init(sd, &csid_v4l2_ops);

	sd->internal_ops = &csid_v4l2_internal_ops;

	sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;

	sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |

		     V4L2_SUBDEV_FL_HAS_EVENTS;

	snprintf(sd->name, ARRAY_SIZE(sd->name), "%s%d",

		 MSM_CSID_NAME, csid->id);

	v4l2_set_subdevdata(sd, csid);