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Commit 0975626d authored by Lars-Peter Clausen's avatar Lars-Peter Clausen Committed by Mauro Carvalho Chehab
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[media] adv7604: Add support for control event notifications 



Allow userspace applications to subscribe to control change events. This
can e.g. be used to monitor the 5V detect control to be notified when a
source is connected or disconnected.

Signed-off-by: default avatarLars-Peter Clausen <lars@metafoo.de>
Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent fb8dfda9

drivers/media/i2c/adv7604.c

+4 −1
Original line number Diff line number Diff line
@@ -42,6 +42,7 @@ 
#include <media/adv7604.h>

#include <media/v4l2-ctrls.h>

#include <media/v4l2-device.h>

#include <media/v4l2-event.h>

#include <media/v4l2-dv-timings.h>

#include <media/v4l2-of.h>
@@ -2362,6 +2363,8 @@ static const struct v4l2_ctrl_ops adv76xx_ctrl_ops = { 
static const struct v4l2_subdev_core_ops adv76xx_core_ops = {

	.log_status = adv76xx_log_status,

	.interrupt_service_routine = adv76xx_isr,

	.subscribe_event = v4l2_ctrl_subdev_subscribe_event,

	.unsubscribe_event = v4l2_event_subdev_unsubscribe,

#ifdef CONFIG_VIDEO_ADV_DEBUG

	.g_register = adv76xx_g_register,

	.s_register = adv76xx_s_register,
@@ -3047,7 +3050,7 @@ static int adv76xx_probe(struct i2c_client *client, 
	snprintf(sd->name, sizeof(sd->name), "%s %d-%04x",

		id->name, i2c_adapter_id(client->adapter),

		client->addr);

	sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;

	sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS;



	/* Configure IO Regmap region */

	err = configure_regmap(state, ADV76XX_PAGE_IO);