AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-11-29 22:46:47 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

[media] adv7842: Add support for control event notifications

Browse Source 
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: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Lars-Peter Clausen 2015-06-24 13:50:28 -03:00 committed by Mauro Carvalho Chehab
parent 0975626d08
commit aef5159ffc
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/media/i2c/adv7842.c
View File

@ -40,6 +40,7 @@
#include <linux/v4l2-dv-timings.h>
#include <linux/hdmi.h>
#include <media/v4l2-device.h>
#include <media/v4l2-event.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-dv-timings.h>
#include <media/adv7842.h>
@ -3015,6 +3016,8 @@ static const struct v4l2_subdev_core_ops adv7842_core_ops = {
.log_status = adv7842_log_status,
.ioctl = adv7842_ioctl,
.interrupt_service_routine = adv7842_isr,
.subscribe_event = v4l2_ctrl_subdev_subscribe_event,
.unsubscribe_event = v4l2_event_subdev_unsubscribe,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.g_register = adv7842_g_register,
.s_register = adv7842_s_register,
@ -3210,7 +3213,7 @@ static int adv7842_probe(struct i2c_client *client,
sd = &state->sd;
v4l2_i2c_subdev_init(sd, client, &adv7842_ops);
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS;
state->mode = pdata->mode;
state->hdmi_port_a = pdata->input == ADV7842_SELECT_HDMI_PORT_A;