media: mt9m111: support log_status ioctl and event interface

This adds log_status ioctl and event interface for mt9m111's v4l2 controls.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

diff --git a/drivers/media/i2c/mt9m111.c b/drivers/media/i2c/mt9m111.c
index 1395986a07bb80faa85c938ece6bf917c303e0a3..f4fc459913028057ce2264677568e17924291d28 100644 (file)
--- a/drivers/media/i2c/mt9m111.c
+++ b/drivers/media/i2c/mt9m111.c
@@ -21,6 +21,7 @@
 #include <media/v4l2-common.h>
 #include <media/v4l2-ctrls.h>
 #include <media/v4l2-device.h>
+#include <media/v4l2-event.h>
 
 /*
  * MT9M111, MT9M112 and MT9M131:
@@ -862,6 +863,9 @@ static const struct v4l2_ctrl_ops mt9m111_ctrl_ops = {
 
 static const struct v4l2_subdev_core_ops mt9m111_subdev_core_ops = {
        .s_power        = mt9m111_s_power,
+       .log_status = v4l2_ctrl_subdev_log_status,
+       .subscribe_event = v4l2_ctrl_subdev_subscribe_event,
+       .unsubscribe_event = v4l2_event_subdev_unsubscribe,
 #ifdef CONFIG_VIDEO_ADV_DEBUG
        .g_register     = mt9m111_g_register,
        .s_register     = mt9m111_s_register,
@@ -976,7 +980,8 @@ static int mt9m111_probe(struct i2c_client *client,
        mt9m111->ctx = &context_b;
 
        v4l2_i2c_subdev_init(&mt9m111->subdev, client, &mt9m111_subdev_ops);
-       mt9m111->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
+       mt9m111->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
+                                V4L2_SUBDEV_FL_HAS_EVENTS;
 
        v4l2_ctrl_handler_init(&mt9m111->hdl, 5);
        v4l2_ctrl_new_std(&mt9m111->hdl, &mt9m111_ctrl_ops,