V4L/DVB (13469): Davinci VPFE Capture: Add support for Control ioctls
Added support for Control IOCTL,
- s_ctrl
- g_ctrl
- queryctrl
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/davinci/vpfe_capture.c b/drivers/media/video/davinci/vpfe_capture.c
index 1c3bde7..12a1b3d7 100644
--- a/drivers/media/video/davinci/vpfe_capture.c
+++ b/drivers/media/video/davinci/vpfe_capture.c
@@ -1413,6 +1413,41 @@
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 @@
.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,