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

[Akinobu Mita]

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

Cc: Guennadi Liakhovetski <g.liakhovet...@gmx.de>
Cc: Sakari Ailus <sakari.ai...@linux.intel.com>
Cc: Mauro Carvalho Chehab <mche...@s-opensource.com>
Signed-off-by: Akinobu Mita <akinobu.m...@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