diff options
| author | Lars-Peter Clausen <lars@metafoo.de> | 2015-06-24 19:50:27 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-07-17 15:44:18 +0300 |
| commit | 0975626d08b623ad42c89a6294b7c2f8391c69af (patch) | |
| tree | 6d1ea70ab1bc5530a95df3d50ec3cda41674e29c /drivers/media/i2c/adv7604.c | |
| parent | fb8dfda980bdaf178a7addb0a4f68574e390a9d9 (diff) | |
| download | linux-0975626d08b623ad42c89a6294b7c2f8391c69af.tar.xz | |
[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: 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>
Diffstat (limited to 'drivers/media/i2c/adv7604.c')
| -rw-r--r-- | drivers/media/i2c/adv7604.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c index 21b549a8dc74..a7d47e079343 100644 --- a/drivers/media/i2c/adv7604.c +++ b/drivers/media/i2c/adv7604.c @@ -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); |