V4L/DVB (10542): v4l2-subdev: add querystd and g_input_status

In order to convert the v4l1 zoran and vino i2c drivers to v4l2 these
extra ops are required.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/v4l2-subdev.c

@@ -104,6 +104,10 @@ int v4l2_subdev_command(struct v4l2_subdev *sd, unsigned cmd, void *arg)
 		return v4l2_subdev_call(sd, video, g_fmt, arg);
 	case VIDIOC_INT_S_STD_OUTPUT:
 		return v4l2_subdev_call(sd, video, s_std_output, *(v4l2_std_id *)arg);
+	case VIDIOC_QUERYSTD:
+		return v4l2_subdev_call(sd, video, querystd, arg);
+	case VIDIOC_INT_G_INPUT_STATUS:
+		return v4l2_subdev_call(sd, video, g_input_status, arg);
 	case VIDIOC_STREAMON:
 		return v4l2_subdev_call(sd, video, s_stream, 1);
 	case VIDIOC_STREAMOFF:

include/media/v4l2-common.h

@@ -297,4 +297,7 @@ struct v4l2_crystal_freq {
    a v4l2_gpio struct if a direction is also needed. */
 #define VIDIOC_INT_S_GPIO		_IOW('d', 117, u32)
 
+/* Get input status. Same as the status field in the v4l2_input struct. */
+#define VIDIOC_INT_G_INPUT_STATUS	_IOR('d', 118, u32)
+
 #endif /* V4L2_COMMON_H_ */

include/media/v4l2-subdev.h

@@ -115,6 +115,8 @@ struct v4l2_subdev_video_ops {
 	int (*g_vbi_data)(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_data *vbi_data);
 	int (*g_sliced_vbi_cap)(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_cap *cap);
 	int (*s_std_output)(struct v4l2_subdev *sd, v4l2_std_id std);
+	int (*querystd)(struct v4l2_subdev *sd, v4l2_std_id *std);
+	int (*g_input_status)(struct v4l2_subdev *sd, u32 *status);
 	int (*s_stream)(struct v4l2_subdev *sd, int enable);
 	int (*s_fmt)(struct v4l2_subdev *sd, struct v4l2_format *fmt);
 	int (*g_fmt)(struct v4l2_subdev *sd, struct v4l2_format *fmt);