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| author | Todor Tomov <todor.tomov@linaro.org> | 2018-07-25 19:38:43 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-08-02 15:48:28 +0300 |
| commit | 988b3ae3e0e9374b6be3b4e58524cfa6f224d8d5 (patch) | |
| tree | 33fc39eb33d8e4ef14ecc4bb4ac6130c07bd26e0 /drivers/media | |
| parent | e1cf4b2f1724bbbb7174d9d8d477e9320ee4a82e (diff) | |
| download | linux-988b3ae3e0e9374b6be3b4e58524cfa6f224d8d5.tar.xz | |
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: Todor Tomov <todor.tomov@linaro.org>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/platform/qcom/camss/camss-csid.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/media/platform/qcom/camss/camss-csid.c b/drivers/media/platform/qcom/camss/camss-csid.c index 6e141af6b6df..729b31891466 100644 --- a/drivers/media/platform/qcom/camss/camss-csid.c +++ b/drivers/media/platform/qcom/camss/camss-csid.c @@ -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); |