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Commit d73bfc5f authored by Vaibhav Hiremath's avatar Vaibhav Hiremath Committed by Mauro Carvalho Chehab
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V4L/DVB (13469): Davinci VPFE Capture: Add support for Control ioctls 



Added support for Control IOCTL,
        - s_ctrl
        - g_ctrl
        - queryctrl

Signed-off-by: default avatarVaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: default avatarHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent bd977801

drivers/media/video/davinci/vpfe_capture.c

+38 −0
Original line number Diff line number Diff line
@@ -1413,6 +1413,41 @@ static int vpfe_dqbuf(struct file *file, void *priv, 
				      buf, file->f_flags & O_NONBLOCK);

}



static int vpfe_queryctrl(struct file *file, void *priv,

		struct v4l2_queryctrl *qctrl)

{

	struct vpfe_device *vpfe_dev = video_drvdata(file);

	struct vpfe_subdev_info *sdinfo;



	sdinfo = vpfe_dev->current_subdev;



	return v4l2_device_call_until_err(&vpfe_dev->v4l2_dev, sdinfo->grp_id,

					 core, queryctrl, qctrl);



}



static int vpfe_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl)

{

	struct vpfe_device *vpfe_dev = video_drvdata(file);

	struct vpfe_subdev_info *sdinfo;



	sdinfo = vpfe_dev->current_subdev;



	return v4l2_device_call_until_err(&vpfe_dev->v4l2_dev, sdinfo->grp_id,

					 core, g_ctrl, ctrl);

}



static int vpfe_s_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl)

{

	struct vpfe_device *vpfe_dev = video_drvdata(file);

	struct vpfe_subdev_info *sdinfo;



	sdinfo = vpfe_dev->current_subdev;



	return v4l2_device_call_until_err(&vpfe_dev->v4l2_dev, sdinfo->grp_id,

					 core, s_ctrl, ctrl);

}



/*

 * vpfe_calculate_offsets : This function calculates buffers offset

 * for top and bottom field
@@ -1710,6 +1745,9 @@ static const struct v4l2_ioctl_ops vpfe_ioctl_ops = { 
	.vidioc_querystd	 = vpfe_querystd,

	.vidioc_s_std		 = vpfe_s_std,

	.vidioc_g_std		 = vpfe_g_std,

	.vidioc_queryctrl	 = vpfe_queryctrl,

	.vidioc_g_ctrl		 = vpfe_g_ctrl,

	.vidioc_s_ctrl		 = vpfe_s_ctrl,

	.vidioc_reqbufs		 = vpfe_reqbufs,

	.vidioc_querybuf	 = vpfe_querybuf,

	.vidioc_qbuf		 = vpfe_qbuf,