soc-camera: add support for VIDIOC_S_PARM and VIDIOC_G_PARM ioctls

Just pass VIDIOC_S_PARM and VIDIOC_G_PARM down to host drivers. So far no
special handling in soc-camera core.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/soc_camera.c

@@ -781,6 +781,32 @@ static int soc_camera_s_crop(struct file *file, void *fh,
 	return ret;
 }
 
+static int soc_camera_g_parm(struct file *file, void *fh,
+			     struct v4l2_streamparm *a)
+{
+	struct soc_camera_file *icf = file->private_data;
+	struct soc_camera_device *icd = icf->icd;
+	struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+
+	if (ici->ops->get_parm)
+		return ici->ops->get_parm(icd, a);
+
+	return -ENOIOCTLCMD;
+}
+
+static int soc_camera_s_parm(struct file *file, void *fh,
+			     struct v4l2_streamparm *a)
+{
+	struct soc_camera_file *icf = file->private_data;
+	struct soc_camera_device *icd = icf->icd;
+	struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+
+	if (ici->ops->set_parm)
+		return ici->ops->set_parm(icd, a);
+
+	return -ENOIOCTLCMD;
+}
+
 static int soc_camera_g_chip_ident(struct file *file, void *fh,
 				   struct v4l2_dbg_chip_ident *id)
 {
@@ -1256,6 +1282,8 @@ static const struct v4l2_ioctl_ops soc_camera_ioctl_ops = {
 	.vidioc_cropcap		 = soc_camera_cropcap,
 	.vidioc_g_crop		 = soc_camera_g_crop,
 	.vidioc_s_crop		 = soc_camera_s_crop,
+	.vidioc_g_parm		 = soc_camera_g_parm,
+	.vidioc_s_parm		 = soc_camera_s_parm,
 	.vidioc_g_chip_ident     = soc_camera_g_chip_ident,
 #ifdef CONFIG_VIDEO_ADV_DEBUG
 	.vidioc_g_register	 = soc_camera_g_register,

include/media/soc_camera.h

@@ -81,6 +81,8 @@ struct soc_camera_host_ops {
 	int (*set_bus_param)(struct soc_camera_device *, __u32);
 	int (*get_ctrl)(struct soc_camera_device *, struct v4l2_control *);
 	int (*set_ctrl)(struct soc_camera_device *, struct v4l2_control *);
+	int (*get_parm)(struct soc_camera_device *, struct v4l2_streamparm *);
+	int (*set_parm)(struct soc_camera_device *, struct v4l2_streamparm *);
 	unsigned int (*poll)(struct file *, poll_table *);
 	const struct v4l2_queryctrl *controls;
 	int num_controls;