[PATCH 10/12] media: mt9m001: support log_status ioctl and event interface

[Akinobu Mita <akinobu.mita@gmail.com>]

This adds log_status ioctl and event interface for mt9m001's v4l2 controls.

Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Sakari Ailus <sakari.ailus@linux.intel.com>
Cc: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
---
 drivers/media/i2c/mt9m001.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/media/i2c/mt9m001.c b/drivers/media/i2c/mt9m001.c
index b4deec3..a5b94d7 100644
--- a/drivers/media/i2c/mt9m001.c
+++ b/drivers/media/i2c/mt9m001.c
@@ -18,6 +18,7 @@
 #include <media/v4l2-subdev.h>
 #include <media/v4l2-ctrls.h>
 #include <media/v4l2-device.h>
+#include <media/v4l2-event.h>
 
 /*
  * mt9m001 i2c address 0x5d
@@ -628,6 +629,9 @@ static const struct v4l2_ctrl_ops mt9m001_ctrl_ops = {
 };
 
 static const struct v4l2_subdev_core_ops mt9m001_subdev_core_ops = {
+	.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	= mt9m001_g_register,
 	.s_register	= mt9m001_s_register,
@@ -716,7 +720,8 @@ static int mt9m001_probe(struct i2c_client *client,
 		return PTR_ERR(mt9m001->reset_gpio);
 
 	v4l2_i2c_subdev_init(&mt9m001->subdev, client, &mt9m001_subdev_ops);
-	mt9m001->subdev.flags = V4L2_SUBDEV_FL_HAS_DEVNODE;
+	mt9m001->subdev.flags = V4L2_SUBDEV_FL_HAS_DEVNODE |
+				V4L2_SUBDEV_FL_HAS_EVENTS;
 	v4l2_ctrl_handler_init(&mt9m001->hdl, 4);
 	v4l2_ctrl_new_std(&mt9m001->hdl, &mt9m001_ctrl_ops,
 			V4L2_CID_VFLIP, 0, 1, 1, 0);
-- 
2.7.4